Wednesday, October 14, 2026 · No. 444Prices synced 4 hours ago
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The AI Model Price Index

GPT-5.1

by AI/ML API · family gpt · listed Nov 2025RTV

Sharper GPT-5 generation for coding, product work, and tool-assisted tasks

Current rates USD per 1M tokens

Input$1.63
Output$13.00
Cache read$0.163
Cache write—

Against the market

Input price vs. maker flagships ($/1M tokens)
Claude Haiku 5.5Claude Haiku 5.5: $0.10 per 1M tokens$0.10DeepSeek V4 Flash Vision ExpDeepSeek V4 Flash Vision Exp: $0.15 per 1M tokens$0.15Qwen3.8 Omni FlashQwen3.8 Omni Flash: $0.15 per 1M tokens$0.15Mistral Large 4Mistral Large 4: $0.68 per 1M tokens$0.68GPT-5.1GPT-5.1: $1.63 per 1M tokens$1.63GPT-6.1 SolGPT-6.1 Sol: $2.00 per 1M tokens$2.00Gemini 4 ArgonGemini 4 Argon: $2.00 per 1M tokens$2.00Grok 4.7Grok 4.7: $2.00 per 1M tokens$2.00
Output price vs. maker flagships ($/1M tokens)
Qwen3.8 Omni FlashQwen3.8 Omni Flash: $0.47 per 1M tokens$0.47Claude Haiku 5.5Claude Haiku 5.5: $0.50 per 1M tokens$0.50DeepSeek V4 Flash Vision ExpDeepSeek V4 Flash Vision Exp: $0.60 per 1M tokens$0.60Mistral Large 4Mistral Large 4: $2.09 per 1M tokens$2.09Grok 4.7Grok 4.7: $6.00 per 1M tokens$6.00GPT-6.1 SolGPT-6.1 Sol: $10.00 per 1M tokens$10.00Gemini 4 ArgonGemini 4 Argon: $10.00 per 1M tokens$10.00GPT-5.1GPT-5.1: $13.00 per 1M tokens$13.00

On the record

Model id
openai/gpt-5-1
Context window
400K tokens
Max output
128K tokens
Input modalities
text, image
Output modalities
text
Reasoning
yes
Tool calls
yes
Open weights
no
Knowledge cutoff
Sep 2024
Released
2025-11-13
Last updated
2025-11-13
Provider docs
docs.aimlapi.com

Back of the envelope

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Also listed at

  • Neon$1.25 in · $10.00 out

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