Comparison

GPT-4o vs Mistral Small 4

Mistral Small 4 costs 94% less per input token than GPT-4o. Output pricing favors Mistral Small 4, 94% less per token than GPT-4o. GPT-4o also discounts cached input reads.

FieldGPT-4o
Legacy
Mistral Small 4
ProviderOpenAIMistral AI
Context window128K
Max output
Input / 1M$2.50$0.1594% cheaper
Output / 1M$10.00$0.6094% cheaper
Cached input / 1M$1.25
Batch discount50%
Release date

Worked cost examples

Estimated monthly cost on three common usage shapes

WorkloadGPT-4oMistral Small 4

Chatbot

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

$400.00$24.00cheaper

RAG pipeline

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

$660.00$39.60cheaper

Batch summarization

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

$325.00$19.50cheaper

GPT-4o vs Mistral Small 4 FAQ

Is GPT-4o cheaper than Mistral Small 4?
GPT-4o costs $2.50 per 1M input tokens versus $0.15 for Mistral Small 4 — Mistral Small 4 is 1567% cheaper per input token.
Which is cheaper for output tokens, GPT-4o or Mistral Small 4?
GPT-4o charges $10.00 per 1M output tokens; Mistral Small 4 charges $0.60 per 1M output tokens.
Do GPT-4o and Mistral Small 4 offer cache pricing?
GPT-4o discounts cached input to $1.25 per 1M tokens. Mistral Small 4 has no documented cache discount.

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