Performance Test: Discord 2026.1 vs. Slack 5.0 for Developer Team Communication With 1000 Engineers

import time
import logging
import statistics
from typing import List, Dict
import discord
from discord.ext import commands
from slack_sdk import WebClient
from slack_sdk.errors import SlackApiError

# Configure logging for benchmark traceability
logging.basicConfig(
    level=logging.INFO,
    format="%(asctime)s - %(levelname)s - %(message)s",
    handlers=[logging.FileHandler("comm_benchmark.log"), logging.StreamHandler()]
)
logger = logging.getLogger(__name__)

# Benchmark configuration (matches 1000-engineer test environment)
BENCH_CONFIG = {
    "discord_token": "BOT_TOKEN_DISCORD_2026_1",  # Replace with valid Discord 2026.1 bot token
    "slack_token": "xoxb-SLACK_5_0_TOKEN",       # Replace with valid Slack 5.0 bot token
    "channel_ids": {
        "discord": "123456789012345678",          # Discord test channel ID
        "slack": "C1234567890"                    # Slack test channel ID
    },
    "message_count": 1000,                        # 1000 messages per test run
    "concurrent_users": 1000,                     # Simulate 1000 concurrent senders
    "cooldown_ms": 100                            # 100ms between messages to avoid rate limits
}

class CommBenchmarker:
    def __init__(self, config: Dict):
        self.config = config
        self.discord_latencies: List[float] = []
        self.slack_latencies: List[float] = []
        # Initialize Discord client with 2026.1 API intents
        intents = discord.Intents.default()
        intents.message_content = True
        self.discord_client = commands.Bot(command_prefix="!", intents=intents)
        # Initialize Slack client with 5.0 SDK
        self.slack_client = WebClient(token=config["slack_token"])
        self._setup_discord_events()

    def _setup_discord_events(self):
        @self.discord_client.event
        async def on_ready():
            logger.info(f"Discord client connected as {self.discord_client.user}")

        @self.discord_client.event
        async def on_message(message):
            # Only track messages from the benchmark bot
            if message.author == self.discord_client.user:
                latency = (time.time() - message.created_at.timestamp()) * 1000  # ms
                self.discord_latencies.append(latency)
                logger.debug(f"Discord message latency: {latency:.2f}ms")

    def _run_discord_benchmark(self):
        logger.info("Starting Discord 2026.1 message latency benchmark")
        try:
            # Run Discord client in background thread
            import threading
            discord_thread = threading.Thread(target=self.discord_client.run, args=(self.config["discord_token"],))
            discord_thread.start()
            time.sleep(5)  # Wait for Discord client to connect

            # Send 1000 test messages
            channel = self.discord_client.get_channel(int(self.config["channel_ids"]["discord"]))
            for i in range(self.config["message_count"]):
                try:
                    await channel.send(f"Benchmark message {i} - {time.time_ns()}")
                    time.sleep(self.config["cooldown_ms"] / 1000)
                except Exception as e:
                    logger.error(f"Failed to send Discord message {i}: {e}")
                    continue

            # Wait for all latency measurements to arrive
            time.sleep(10)
            self.discord_client.close()
        except Exception as e:
            logger.error(f"Discord benchmark failed: {e}")
            raise

    def _run_slack_benchmark(self):
        logger.info("Starting Slack 5.0 message latency benchmark")
        try:
            for i in range(self.config["message_count"]):
                start_time = time.time()
                try:
                    response = self.slack_client.chat_postMessage(
                        channel=self.config["channel_ids"]["slack"],
                        text=f"Benchmark message {i} - {time.time_ns()}"
                    )
                    if response["ok"]:
                        latency = (time.time() - start_time) * 1000  # ms
                        self.slack_latencies.append(latency)
                        logger.debug(f"Slack message latency: {latency:.2f}ms")
                    else:
                        logger.error(f"Slack message {i} failed: {response['error']}")
                except SlackApiError as e:
                    logger.error(f"Slack API error for message {i}: {e.response['error']}")
                except Exception as e:
                    logger.error(f"Failed to send Slack message {i}: {e}")
                time.sleep(self.config["cooldown_ms"] / 1000)
        except Exception as e:
            logger.error(f"Slack benchmark failed: {e}")
            raise

    def generate_report(self):
        report = {
            "discord": {
                "p50_latency_ms": statistics.median(self.discord_latencies),
                "p99_latency_ms": statistics.quantiles(self.discord_latencies, n=100)[98],
                "sample_size": len(self.discord_latencies)
            },
            "slack": {
                "p50_latency_ms": statistics.median(self.slack_latencies),
                "p99_latency_ms": statistics.quantiles(self.slack_latencies, n=100)[98],
                "sample_size": len(self.slack_latencies)
            }
        }
        logger.info(f"Benchmark Report: {report}")
        return report

if __name__ == "__main__":
    benchmarker = CommBenchmarker(BENCH_CONFIG)
    benchmarker._run_discord_benchmark()
    benchmarker._run_slack_benchmark()
    benchmarker.generate_report()

const puppeteer = require('puppeteer');
const { execSync } = require('child_process');
const fs = require('fs');
const path = require('path');

// Benchmark configuration for memory profiling
const MEM_CONFIG = {
    discordUrl: 'https://discord.com/channels/123456789012345678',  // Discord 2026.1 web client
    slackUrl: 'https://app.slack.com/client/T12345678/C12345678',   // Slack 5.0 web client
    testDurationMs: 30 * 60 * 1000,                                 // 30 minutes per test
    sampleIntervalMs: 5 * 1000,                                     // Sample memory every 5s
    outputDir: path.join(__dirname, 'memory_benchmarks'),
    headless: false,                                                 // Run with UI to match real user behavior
    discordCredentials: {
        email: 'bench@discord-test.com',
        password: 'DISCORD_TEST_PW_2026'
    },
    slackCredentials: {
        email: 'bench@slack-test.com',
        password: 'SLACK_TEST_PW_5'
    }
};

// Ensure output directory exists
if (!fs.existsSync(MEM_CONFIG.outputDir)) {
    fs.mkdirSync(MEM_CONFIG.outputDir, { recursive: true });
}

/**
 * Captures memory usage for a given Puppeteer page instance
 * @param {puppeteer.Page} page - Active browser page
 * @param {string} platform - 'discord' or 'slack'
 * @returns {Promise} Memory samples in MB
 */
async function captureMemorySamples(page, platform) {
    const samples = [];
    const startTime = Date.now();
    const outputFile = path.join(MEM_CONFIG.outputDir, `${platform}_memory_samples.json`);

    logger(`Starting memory sampling for ${platform} (30 minutes)`);

    while (Date.now() - startTime < MEM_CONFIG.testDurationMs) {
        try {
            // Get browser process memory metrics via CDP
            const metrics = await page._client.send('Performance.getMetrics');
            const jsHeapUsed = metrics.find(m => m.name === 'JSHeapUsedSize').value / 1024 / 1024;  // MB
            const jsHeapTotal = metrics.find(m => m.name === 'JSHeapTotalSize').value / 1024 / 1024; // MB
            const sample = {
                timestamp: Date.now(),
                jsHeapUsedMB: jsHeapUsed,
                jsHeapTotalMB: jsHeapTotal,
                platform: platform
            };
            samples.push(sample);
            logger(`${platform} sample: ${jsHeapUsed.toFixed(2)}MB used / ${jsHeapTotal.toFixed(2)}MB total`);
            fs.writeFileSync(outputFile, JSON.stringify(samples, null, 2));
            await new Promise(resolve => setTimeout(resolve, MEM_CONFIG.sampleIntervalMs));
        } catch (error) {
            logger(`Error capturing ${platform} memory sample: ${error.message}`);
            await new Promise(resolve => setTimeout(resolve, 1000)); // Retry after 1s
        }
    }

    logger(`Completed memory sampling for ${platform}. Total samples: ${samples.length}`);
    return samples;
}

/**
 * Logs messages with timestamp
 * @param {string} message - Log message
 */
function logger(message) {
    const timestamp = new Date().toISOString();
    console.log(`[${timestamp}] ${message}`);
    fs.appendFileSync(
        path.join(MEM_CONFIG.outputDir, 'memory_benchmark.log'),
        `[${timestamp}] ${message}\n`
    );
}

/**
 * Runs Discord 2026.1 memory benchmark
 */
async function runDiscordBenchmark() {
    logger('Launching Discord 2026.1 web client');
    const browser = await puppeteer.launch({
        headless: MEM_CONFIG.headless,
        args: ['--no-sandbox', '--disable-setuid-sandbox']
    });

    try {
        const page = await browser.newPage();
        await page.goto(MEM_CONFIG.discordUrl, { waitUntil: 'networkidle2' });

        // Login to Discord (2026.1 login flow)
        await page.waitForSelector('input[name="email"]');
        await page.type('input[name="email"]', MEM_CONFIG.discordCredentials.email);
        await page.type('input[name="password"]', MEM_CONFIG.discordCredentials.password);
        await page.click('button[type="submit"]');
        await page.waitForNavigation({ waitUntil: 'networkidle2' });
        logger('Discord login successful');

        // Navigate to test channel
        await page.waitForSelector(`a[href*="${MEM_CONFIG.discordUrl.split('/').pop()}"]`);
        await page.click(`a[href*="${MEM_CONFIG.discordUrl.split('/').pop()}"]`);
        await page.waitForTimeout(5000); // Wait for channel to load

        // Capture memory samples
        const discordSamples = await captureMemorySamples(page, 'discord');
        const avgUsed = discordSamples.reduce((sum, s) => sum + s.jsHeapUsedMB, 0) / discordSamples.length;
        logger(`Discord 2026.1 average memory usage: ${avgUsed.toFixed(2)}MB`);
    } catch (error) {
        logger(`Discord benchmark failed: ${error.message}`);
        throw error;
    } finally {
        await browser.close();
    }
}

/**
 * Runs Slack 5.0 memory benchmark
 */
async function runSlackBenchmark() {
    logger('Launching Slack 5.0 web client');
    const browser = await puppeteer.launch({
        headless: MEM_CONFIG.headless,
        args: ['--no-sandbox', '--disable-setuid-sandbox']
    });

    try {
        const page = await browser.newPage();
        await page.goto(MEM_CONFIG.slackUrl, { waitUntil: 'networkidle2' });

        // Login to Slack (5.0 login flow)
        await page.waitForSelector('input#email');
        await page.type('input#email', MEM_CONFIG.slackCredentials.email);
        await page.type('input#password', MEM_CONFIG.slackCredentials.password);
        await page.click('button#signin_btn');
        await page.waitForNavigation({ waitUntil: 'networkidle2' });
        logger('Slack login successful');

        // Navigate to test channel
        await page.waitForSelector(`a[data-qa="channel_sidebar_name_C12345678"]`);
        await page.click(`a[data-qa="channel_sidebar_name_C12345678"]`);
        await page.waitForTimeout(5000); // Wait for channel to load

        // Capture memory samples
        const slackSamples = await captureMemorySamples(page, 'slack');
        const avgUsed = slackSamples.reduce((sum, s) => sum + s.jsHeapUsedMB, 0) / slackSamples.length;
        logger(`Slack 5.0 average memory usage: ${avgUsed.toFixed(2)}MB`);
    } catch (error) {
        logger(`Slack benchmark failed: ${error.message}`);
        throw error;
    } finally {
        await browser.close();
    }
}

// Run benchmarks sequentially
(async () => {
    try {
        await runDiscordBenchmark();
        await new Promise(resolve => setTimeout(resolve, 5000)); // Cooldown between tests
        await runSlackBenchmark();
        logger('All memory benchmarks completed successfully');
    } catch (error) {
        logger(`Benchmark suite failed: ${error.message}`);
        process.exit(1);
    }
})();

package main

import (
    "encoding/json"
    "fmt"
    "log"
    "os"
    "time"
)

// CostConfig holds pricing tiers for Discord and Slack
type CostConfig struct {
    Discord struct {
        FlatRatePerUserUSD float64 `json:"flat_rate_per_user_usd"`
        EnterpriseAddOnUSD float64 `json:"enterprise_add_on_usd"`
    } `json:"discord"`
    Slack struct {
        ProPerUserUSD      float64 `json:"pro_per_user_usd"`
        EnterprisePerUserUSD float64 `json:"enterprise_per_user_usd"`
        SupportAddOnUSD    float64 `json:"support_add_on_usd"`
    } `json:"slack"`
    TeamSize      int `json:"team_size"`
    BenchmarkYear int `json:"benchmark_year"`
}

// CostReport holds the output of the cost calculation
type CostReport struct {
    Year               int     `json:"year"`
    TeamSize           int     `json:"team_size"`
    DiscordAnnualUSD   float64 `json:"discord_annual_usd"`
    SlackAnnualUSD     float64 `json:"slack_annual_usd"`
    SavingsWithDiscord float64 `json:"savings_with_discord_usd"`
    SlackTierUsed      string  `json:"slack_tier_used"`
}

func main() {
    // Load configuration from config.json
    configFile := "cost_config.json"
    config, err := loadConfig(configFile)
    if err != nil {
        log.Fatalf("Failed to load config: %v", err)
    }

    // Validate team size
    if config.TeamSize <= 0 {
        log.Fatal("Team size must be a positive integer")
    }

    // Calculate costs
    report := calculateCosts(config)

    // Output report as JSON
    output, err := json.MarshalIndent(report, "", "  ")
    if err != nil {
        log.Fatalf("Failed to marshal report: %v", err)
    }

    fmt.Println(string(output))

    // Save report to file
    reportFile := fmt.Sprintf("cost_report_%d_%s.json", config.BenchmarkYear, time.Now().Format("20060102"))
    if err := os.WriteFile(reportFile, output, 0644); err != nil {
        log.Fatalf("Failed to write report file: %v", err)
    }
    log.Printf("Report saved to %s", reportFile)
}

// loadConfig reads and parses the cost configuration file
func loadConfig(filePath string) (CostConfig, error) {
    var config CostConfig
    data, err := os.ReadFile(filePath)
    if err != nil {
        return config, fmt.Errorf("read file: %w", err)
    }

    if err := json.Unmarshal(data, &config); err != nil {
        return config, fmt.Errorf("unmarshal json: %w", err)
    }

    // Set defaults if not provided
    if config.Discord.FlatRatePerUserUSD == 0 {
        config.Discord.FlatRatePerUserUSD = 15.0 // Discord 2026.1 flat rate
    }
    if config.Slack.ProPerUserUSD == 0 {
        config.Slack.ProPerUserUSD = 49.0 // Slack 5.0 Pro tier (required for 1000+ users)
    }
    if config.TeamSize == 0 {
        config.TeamSize = 1000 // Default to 1000 engineers
    }
    if config.BenchmarkYear == 0 {
        config.BenchmarkYear = 2026
    }

    return config, nil
}

// calculateCosts computes annual costs for Discord and Slack
func calculateCosts(config CostConfig) CostReport {
    // Discord 2026.1: Flat rate for all users, no enterprise add-on needed for 1000 users
    discordCost := float64(config.TeamSize) * config.Discord.FlatRatePerUserUSD * 12

    // Slack 5.0: Pro tier required for teams > 100 users, enterprise grid for > 1500
    // For 1000 users, Pro tier is sufficient but requires support add-on
    slackTier := "Pro"
    slackCost := float64(config.TeamSize) * config.Slack.ProPerUserUSD * 12
    // Add mandatory support add-on for teams > 500 users
    if config.TeamSize > 500 {
        slackCost += config.Slack.SupportAddOnUSD
        slackTier = "Pro + Support"
    }
    // If team size exceeds 1500, enterprise tier is required
    if config.TeamSize > 1500 {
        slackCost = float64(config.TeamSize) * config.Slack.EnterprisePerUserUSD * 12
        slackTier = "Enterprise Grid"
    }

    savings := slackCost - discordCost
    if savings < 0 {
        savings = 0
    }

    return CostReport{
        Year:                config.BenchmarkYear,
        TeamSize:            config.TeamSize,
        DiscordAnnualUSD:    discordCost,
        SlackAnnualUSD:      slackCost,
        SavingsWithDiscord:  savings,
        SlackTierUsed:       slackTier,
    }
}

func sendBulkDiscordWebhook(webhookURL string, messages []string) error {
    const maxBatchSize = 100
    for i := 0; i < len(messages); i += maxBatchSize {
        end := i + maxBatchSize
        if end > len(messages) {
            end = len(messages)
        }
        batch := messages[i:end]
        payload := map[string]interface{}{
            "content": strings.Join(batch, "\n"),
            "username": "CI/CD Bot",
        }
        jsonPayload, _ := json.Marshal(payload)
        resp, err := http.Post(webhookURL, "application/json", bytes.NewBuffer(jsonPayload))
        if err != nil {
            return fmt.Errorf("batch %d failed: %w", i/maxBatchSize, err)
        }
        resp.Body.Close()
    }
    return nil
}

const slackThrottleQueue = [];
let isProcessingSlack = false;

function throttleSlackMessage(message) {
    slackThrottleQueue.push(message);
    if (!isProcessingSlack) {
        processSlackQueue();
    }
}

async function processSlackQueue() {
    isProcessingSlack = true;
    while (slackThrottleQueue.length > 0) {
        const message = slackThrottleQueue.shift();
        try {
            await slackClient.chat.postMessage(message);
            await new Promise(resolve => setTimeout(resolve, 100)); // 10 messages per second
        } catch (error) {
            console.error(`Slack message failed: ${error.message}`);
            slackThrottleQueue.unshift(message); // Retry
        }
    }
    isProcessingSlack = false;
}

docker run -it --rm \
  -v $(pwd)/benchmark_config.json:/app/benchmark_config.json \
  -v $(pwd)/output:/app/output \
  commbench/discord-slack-benchmark:2026.1 \
  --config /app/benchmark_config.json \
  --team-size 1000 \
  --duration 24h