Free Developer Cost Calculators

• Calculate and optimize costs for GitHub Actions, AWS Lambda, CircleCI, GitLab CI, AWS CodeBuild, AI APIs, and more.
• Features 12 free tools with updated 2026 pricing.
• All calculations run entirely in your browser, ensuring privacy and no signup required.

Key Features:

• GitHub Actions Cost Calculator: Paste your workflow YAML to see per-run, monthly, and yearly costs across different runners (Ubuntu, Windows, macOS). Includes AI-powered suggestions for cost optimization.
• CI/CD Platform Comparison: Compare costs side-by-side for GitHub Actions, GitLab CI, and CircleCI for the same workflow to identify the cheapest platform.
• AWS Cost Calculators: Calculate costs for AWS Lambda (comparing x86 vs ARM Graviton2) and AWS CodeBuild (comparing EC2 vs Lambda compute modes).
• Cloud Platform Comparison: Compare Vercel vs Netlify and Supabase vs Firebase costs based on usage metrics.
• AI API Rate Limit Calculator: Determine maximum concurrent users, time to error, and daily request budgets for APIs like OpenAI, Claude, Gemini, and Mistral.
• Tech Stack Cost Estimator: Estimate total monthly infrastructure costs for various services including Vercel, Supabase, Clerk, Resend, and Sentry.

DevCost Tools provides accurate, up-to-date pricing data from trusted 2026 sources. The platform is committed to being free forever, with no paywalls, email walls, or credit card requirements. All tools are fully private, running locally in the user's browser without data leaving the device.