Comparison

Claude Opus 4.8 vs Mistral Small 4

Mistral Small 4 costs 97% less per input token than Claude Opus 4.8. Mistral Small 4 is 98% cheaper on output tokens. Claude Opus 4.8 offers a cheaper cached-input tier for repeated context.

FieldClaude Opus 4.8
Mistral Small 4
ProviderAnthropicMistral AI
Context window1M
Max output128K
Input / 1M$5.00$0.1597% cheaper
Output / 1M$25.00$0.6098% cheaper
Cached input / 1M$0.50
Batch discount50%50%
Release date

Worked cost examples

Estimated monthly cost on three common usage shapes

WorkloadClaude Opus 4.8Mistral Small 4

Chatbot

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

$900.00$24.00cheaper

RAG pipeline

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

$1,425$39.60cheaper

Batch summarization

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

$687.50$19.50cheaper

Claude Opus 4.8 vs Mistral Small 4 FAQ

Is Claude Opus 4.8 cheaper than Mistral Small 4?
Claude Opus 4.8 costs $5.00 per 1M input tokens versus $0.15 for Mistral Small 4 — Mistral Small 4 is 3233% cheaper per input token.
Which is cheaper for output tokens, Claude Opus 4.8 or Mistral Small 4?
Claude Opus 4.8 charges $25.00 per 1M output tokens; Mistral Small 4 charges $0.60 per 1M output tokens.
Do Claude Opus 4.8 and Mistral Small 4 offer cache pricing?
Claude Opus 4.8 discounts cached input to $0.50 per 1M tokens. Mistral Small 4 has no documented cache discount.

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