Claude · ChatGPT · tokens · context
What does it cost to run Claude and ChatGPT? Work it out in seconds.
Free calculators for people building with AI: monthly API cost, model comparison, token counter, context window, prompt caching, coding agents and subscription vs API.
API price per 1 million tokensinput · output · in US$
| Model | Input | Output |
|---|---|---|
| Claude Fable 5.1 | $10.00 | $50.00 |
| Claude Opus 5.5 | $4.00 | $20.00 |
| Claude Sonnet 5.5 | $2.00 | $10.00 |
| Claude Haiku 4.5 | $1.00 | $5.00 |
| GPT-5.6 Sol | $5.00 | $30.00 |
| GPT-5.6 Terra | $2.00 | $12.00 |
| GPT-5.6 Luna | $0.20 | $1.20 |
Prices updated October 2026Compare the cost of every model →
api-cost.tsAPI cost
Open the full calculator →API cost
api-costAPI costCost per request, day and month, with caching and Batch, across every model.price-boardCompare modelsPrice per 1M tokens and what your volume costs on every model.chatbot-costChatbot costAI support: cost per conversation and per month, with history and caching.prompt-cachePrompt cachingMonthly savings from prompt caching, with writes, reads and hit rate.transcribe-costAudio transcriptionPrice per minute, per hour and per month to transcribe audio.