Last checked 27 Oct 2026
Compare AI API prices
These 12 pairs are built from the ledger. A pair is two models from different providers whose higher published input rate is at most 1.5 times the lower one, and whose higher published output rate is at most 1.5 times the lower one. Closer rates are listed first. Each model is in at most 2 pairs, and the list stops at 12. This is a price comparison of the stored rates. It is not a benchmark and not a recommendation.
Pairs
- Claude Fable 5.1 vs GPT-6 Astra
Anthropic $10.00 in / $50.00 out · Base input / cache hit / output
OpenAI $10.00 in / $50.00 out · Standard, under 272K
- Claude Haiku 5.5 vs GPT-6 Luna
Anthropic $0.10 in / $0.50 out · Prompts up to 100K tokens
OpenAI $0.10 in / $0.50 out · Standard, under 272K
- Claude Sonnet 5.5 vs Gemini 4 Argon
Anthropic $2.00 in / $10.00 out · Base input / cache hit / output
Google $2.00 in / $10.00 out · Paid standard, introductory
- Claude Sonnet 5.5 vs GPT-6.1 Sol
Anthropic $2.00 in / $10.00 out · Base input / cache hit / output
OpenAI $2.00 in / $10.00 out · Standard, under 272K
- DeepSeek Flash vs Mistral Small 4
DeepSeek $0.15 in / $0.60 out · Off-peak
Mistral $0.15 in / $0.60 out · Standard
- Gemini 4 Argon vs GPT-6.1 Sol
Google $2.00 in / $10.00 out · Paid standard, introductory
OpenAI $2.00 in / $10.00 out · Standard, under 272K
- Mistral Large 4 vs Muse Spark Open
Mistral $1.36 in / $4.18 out · Standard
Together AI $1.25 in / $4.25 out · Together serverless
- GPT-6.1 Terra vs Muse Spark Open
OpenAI $1.00 in / $5.00 out · Standard, under 272K
Together AI $1.25 in / $4.25 out · Together serverless
- Mistral Large 3 vs Muse Glimmer 30B
Mistral $0.50 in / $1.50 out · Standard
Together AI $0.35 in / $1.50 out · Together serverless
- GPT-6.1 Terra vs Mistral Large 4
OpenAI $1.00 in / $5.00 out · Standard, under 272K
Mistral $1.36 in / $4.18 out · Standard
- Grok 4.7 vs Mistral Medium 3.5
xAI $2.00 in / $6.00 out · Standard, under 200K
Mistral $1.50 in / $7.50 out · Standard
- DeepSeek V4 Pro vs Mistral Large 3
DeepSeek $0.66 in / $1.98 out · Off-peak
Mistral $0.50 in / $1.50 out · Standard