Comparison

GPT-5.4 mini vs Mistral Large 3

Mistral Large 3 costs 33% less per input token than GPT-5.4 mini. On generated (output) tokens, GPT-5.4 mini costs 67% more than Mistral Large 3. GPT-5.4 mini also discounts cached input reads.

FieldGPT-5.4 mini
Mistral Large 3
ProviderOpenAIMistral AI
Context window400K
Max output128K
Input / 1M$0.75$0.5033% cheaper
Output / 1M$4.50$1.5067% cheaper
Cached input / 1M$0.075
Batch discount50%50%
Release date2026-03-17

Worked cost examples

Estimated monthly cost on three common usage shapes

WorkloadGPT-5.4 miniMistral Large 3

Chatbot

800 input / 200 output tokens per request, 100,000 requests/month

$150.00$70.00cheaper

RAG pipeline

6,000 input / 700 output tokens per request, 30,000 requests/month

$229.50$121.50cheaper

Batch summarization

20,000 input / 1,500 output tokens per request, 5,000 requests/month

$108.75$61.25cheaper

GPT-5.4 mini vs Mistral Large 3 FAQ

Is GPT-5.4 mini cheaper than Mistral Large 3?
GPT-5.4 mini costs $0.75 per 1M input tokens versus $0.50 for Mistral Large 3 — Mistral Large 3 is 50% cheaper per input token.
Which is cheaper for output tokens, GPT-5.4 mini or Mistral Large 3?
GPT-5.4 mini charges $4.50 per 1M output tokens; Mistral Large 3 charges $1.50 per 1M output tokens.
Do GPT-5.4 mini and Mistral Large 3 offer cache pricing?
GPT-5.4 mini discounts cached input to $0.075 per 1M tokens. Mistral Large 3 has no documented cache discount.

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