Mistral Large 3 vs GPT-4o

Detailed pricing comparison and cost analysis.

Updated May 2026

Cost Simulator

Mistral Large 3 Cost
$0.80
GPT-4o Cost
$4.50
Mistral Large 3 is 82% cheaper
FeatureMistral Large 3GPT-4o
ProviderMistralOpenAI
Input Price (1M)$0.50$2.50
Output Price (1M)$1.50$10.00
Context Window262,000128,000

Verdict

Mistral Large 3 costs $0.50 per 1M input tokens and $1.50 per 1M output tokens. GPT-4o costs $2.50 per 1M input tokens and $10.00 per 1M output tokens. Mistral Large 3 is 80% cheaper on input tokens than GPT-4o. For output tokens, Mistral Large 3 is the more affordable option at $1.50/1M vs $10.00.

On context window, Mistral Large 3 supports 262,000 tokens — meaning it can fit more conversation history, documents, or code in a single request. This matters for RAG pipelines, long document analysis, and agentic workflows where context builds up over many turns.

When to choose Mistral Large 3

  • ✓ You need the lowest input token cost ($ 0.50/1M)
  • ✓ Your workload is output-heavy — Mistral Large 3 generates text cheaper
  • ✓ You need a larger context window (262,000 tokens)
  • ✓ You are already integrated with Mistral

When to choose GPT-4o

  • ✓ You are already integrated with OpenAI

Use the calculator above to simulate your specific workload and find the exact break-even point. For most applications, the cheapest model is the one that minimises your total monthly bill given your input-to-output token ratio.

Frequently Asked Questions

Is Mistral Large 3 cheaper than GPT-4o?

Mistral Large 3 is cheaper on input tokens at $0.50/1M vs $2.50/1M for GPT-4o — a 80% saving.

What is the context window of Mistral Large 3 vs GPT-4o?

Mistral Large 3 has a 262,000-token context window. GPT-4o has a 128,000-token context window. Mistral Large 3 supports the larger context, suitable for longer documents and agentic workflows.

Which model is better: Mistral Large 3 or GPT-4o?

The best choice depends on your use case. For cost efficiency on input tokens, Mistral Large 3 is the cheaper option. For maximum context length, Mistral Large 3 supports 262,000 tokens. Use the comparison table above to find the right fit for your workload.