AI price changelog
Every change to the model prices in the AI Cost Estimator, dated. Prices are re-verified monthly and on every model release, so you can trust the number the tool gives you and see exactly when it last moved.
2026-06-03 - Baseline
First published price set for the estimator. List rates per 1,000,000 tokens (input / output), verified against each provider's pricing page on this date:
- Claude Haiku 4.5 - $1.00 / $5.00 (Anthropic)
- Claude Sonnet 4.6 - $3.00 / $15.00 (Anthropic)
- Claude Opus 4.7 - $5.00 / $25.00 (Anthropic)
- GPT-5.4 Nano - $0.20 / $1.25 (OpenAI)
- GPT-5.4 Mini - $0.75 / $4.50 (OpenAI)
- GPT-5.4 - $2.50 / $15.00 (OpenAI)
- GPT-5.5 - $5.00 / $30.00 (OpenAI)
- Gemini 2.5 Flash-Lite - $0.10 / $0.40 (Google)
- Gemini 2.5 Flash - $0.30 / $2.50 (Google)
- Gemini 3.1 Pro - $2.00 / $12.00 (Google)
Future entries land at the top of this list. When a provider changes a price or ships a new model, the estimator updates and the move gets a dated line here.
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