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GPT-5 vs Codestral

OpenAI vs Mistral — head-to-head specs and pricing.

OpenAI
GPT-5

OpenAI's flagship general-purpose model.

GPT-5 is OpenAI's flagship LLM — strong reasoning, tool use, vision, and JSON mode. Drop-in for anything you'd use GPT-4o for.

Mistral
Codestral

Low-latency code completion from Mistral.

Codestral — purpose-built for code completion and instruction in 80+ programming languages.

SpecGPT-5Codestral
ProviderOpenAIMistral
Input cost / 1M tokens$3.00$0.24
Output cost / 1M tokens$12.00$0.72
Context window256,000 tokens32,000 tokens
Max output tokens16,000
Streaming support
Tool calling
Vision input
JSON mode
StatusACTIVEACTIVE

Use both via OneAPIKey — one key, one bill

OneAPIKey aggregates OpenAI, Mistral, and 10 more providers behind a single API. Smart Routing automatically picks the best model per request — or you choose explicitly.