GPT-6.1 Sol vs Mistral Medium 3.5 pricing

Prices

GPT-6.1 Sol and Mistral Medium 3.5 prices, USD per 1M tokens
USD per 1M tokensGPT-6.1 SolMistral Medium 3.5
Input$2.00$1.50
Output$10.00$7.50
Cache read$0.10$0.15
Cache write$2.50Not published
Batch input$1.00Not published
Batch output$5.00Not published

Verified against the provider's official pricing page on Oct 9, 2026. Official pricing page

Mistral's list price for its own API, as compiled by models.dev and checked Oct 10, 2026, 09:00 UTC. Prices on cloud platforms and resellers can differ. Provider documentation

Monthly cost by workload

WorkloadGPT-6.1 SolMistral Medium 3.5
Chatbot1,000 in / 500 out tokens, 10,000 requests a day$2,100/mo$1,575/mo
RAG8,000 in / 500 out tokens, 5,000 requests a day$3,150/mo$2,363/mo
Coding agent50,000 in / 2,000 out tokens, 1,000 requests a day, 80% cached input$1,320/mo$1,080/mo

Cost = input tokens × input price + output tokens × output price, 30 days a month. Cached input uses the cache read price. Cache write fees are not included.

Context and capabilities

GPT-6.1 SolMistral Medium 3.5
Context1,050,000 tokens262,144 tokens
Max output128,000 tokens262,144 tokens
Inputtext, image, pdftext, image
Tool callingYesYes
ReasoningYesYes
Structured outputsYesYes

Questions

What is the price difference between GPT-6.1 Sol and Mistral Medium 3.5?
GPT-6.1 Sol: $2.00 per 1M input tokens and $10.00 per 1M output tokens. Mistral Medium 3.5: $1.50 per 1M input tokens and $7.50 per 1M output tokens. For the Chatbot workload (1,000 in / 500 out tokens, 10,000 requests a day), that is about $2,100 per month for GPT-6.1 Sol and $1,575 for Mistral Medium 3.5.
Which has the longer context window, GPT-6.1 Sol or Mistral Medium 3.5?
GPT-6.1 Sol has the longer context window: up to 1,050,000 tokens, compared with 262,144 for Mistral Medium 3.5.
Do GPT-6.1 Sol and Mistral Medium 3.5 have prompt caching and batch prices?
GPT-6.1 Sol: cached input $0.10 per 1M tokens; batch $1.00 per 1M input tokens and $5.00 per 1M output tokens. Mistral Medium 3.5: cached input $0.15 per 1M tokens; no batch price published.

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