# WhichCoder

> Free AI coding tool picker and AI agent cost calculator. Real prices for 9 AI coding tools and 36 model APIs, last checked 2026-10-14. Each price is marked verified, search_only or unverified.

## Core pages
- [Tool picker quiz](https://whichcoder.com/): 5 questions -> recommended AI coding tool
- [AI agent cost calculator](https://whichcoder.com/calculator/): monthly API cost from tokens and runs/day, with cheaper alternatives
- [Pricing data JSON](https://whichcoder.com/data/pricing.json): machine-readable plans and model prices with source URLs
- [FAQ](https://whichcoder.com/faq/)
- [Methodology](https://whichcoder.com/about/)

## Tool pricing pages
- [Cursor pricing](https://whichcoder.com/tools/cursor/): cheapest paid $8/mo; free plan: yes
- [Claude Code pricing](https://whichcoder.com/tools/claude-code/): cheapest paid $20/mo; free plan: no
- [GitHub Copilot pricing](https://whichcoder.com/tools/copilot/): cheapest paid $10/mo; free plan: yes
- [Windsurf (Devin Desktop) pricing](https://whichcoder.com/tools/windsurf/): cheapest paid $20/mo; free plan: yes
- [OpenAI Codex pricing](https://whichcoder.com/tools/codex/): cheapest paid $20/mo; free plan: yes
- [Replit pricing](https://whichcoder.com/tools/replit/): cheapest paid $20/mo; free plan: yes
- [Lovable pricing](https://whichcoder.com/tools/lovable/): cheapest paid $25/mo; free plan: yes
- [Bolt.new pricing](https://whichcoder.com/tools/bolt/): cheapest paid $25/mo; free plan: yes
- [v0 pricing](https://whichcoder.com/tools/v0/): cheapest paid $20/mo; free plan: yes

## Comparisons
- [Cursor vs Claude Code](https://whichcoder.com/compare/cursor-vs-claude-code/)
- [Cursor vs GitHub Copilot](https://whichcoder.com/compare/cursor-vs-copilot/)
- [Cursor vs Windsurf (Devin Desktop)](https://whichcoder.com/compare/cursor-vs-windsurf/)
- [Cursor vs OpenAI Codex](https://whichcoder.com/compare/cursor-vs-codex/)
- [Claude Code vs OpenAI Codex](https://whichcoder.com/compare/claude-code-vs-codex/)
- [GitHub Copilot vs Claude Code](https://whichcoder.com/compare/copilot-vs-claude-code/)
- [Windsurf (Devin Desktop) vs GitHub Copilot](https://whichcoder.com/compare/windsurf-vs-copilot/)
- [Lovable vs Bolt.new](https://whichcoder.com/compare/lovable-vs-bolt/)
- [Lovable vs v0](https://whichcoder.com/compare/lovable-vs-v0/)
- [Bolt.new vs v0](https://whichcoder.com/compare/bolt-vs-v0/)
- [Replit vs Lovable](https://whichcoder.com/compare/replit-vs-lovable/)
- [Replit vs Bolt.new](https://whichcoder.com/compare/replit-vs-bolt/)

## Model API prices (USD per 1M tokens, input/output, standard tier)
- GPT-6 Astra (OpenAI): $10 / $50
- GPT-6.1 Sol (OpenAI): $2 / $10
- GPT-6 Sol (OpenAI): $2 / $10
- GPT-6 Luna (OpenAI): $0.1 / $0.5
- GPT-5.6 Sol (OpenAI): $4 / $20
- GPT-5.6 Terra (OpenAI): $2 / $12
- GPT-5.6 Luna (OpenAI): $0.2 / $1.2
- GPT-5.5 (OpenAI): $5 / $30
- GPT-5.4 (OpenAI): $2.5 / $15
- GPT-5.4 mini (OpenAI): $0.75 / $4.5
- GPT-5.4 nano (OpenAI): $0.2 / $1.25
- GPT-5.3-Codex (OpenAI): $1.75 / $14
- GPT-5 mini (OpenAI): $0.25 / $2
- GPT-5 nano (OpenAI): $0.05 / $0.4
- Claude Fable 5.1 (Anthropic): $10 / $50
- Claude Opus 5.5 (Anthropic): $4 / $20
- Claude Sonnet 5.5 (Anthropic): $2 / $10
- Claude Haiku 5.5 (Anthropic): $0.5 / $2.5
- Claude Opus 5 (legacy) (Anthropic): $5 / $25
- Claude Sonnet 4.6 (legacy) (Anthropic): $3 / $15
- Claude Haiku 4.5 (legacy) (Anthropic): $1 / $5
- Gemini 4 Argon (Google): $2 / $10
- Gemini 3.8 Flash (Google): $0.75 / $3.75
- Gemini 3.6 Flash (Google): $0.75 / $3.75
- Gemini 3.5 Flash-Lite (Google): $0.3 / $2.5
- Gemini 3.1 Flash-Lite (Google): $0.25 / $1.5
- Gemini 3.1 Pro (preview) (Google): $2 / $12
- Gemini 2.5 Pro (Google): $1.25 / $10
- Gemini 2.5 Flash (Google): $0.3 / $2.5
- Gemini 2.5 Flash-Lite (Google): $0.1 / $0.4
- Grok 4.7 (xAI): $2 / $6
- Grok 4.6 (xAI): $2 / $6
- Grok 4.3 (xAI): $1.25 / $2.5
- Grok Build 0.1 (xAI): $1 / $2
- DeepSeek V4.1 Flash (peak) (DeepSeek): $0.3 / $1.2
- DeepSeek V4 Pro (peak) (DeepSeek): $1.32 / $3.96