Mistral Small (latest) vs o4-mini

Mistral Small (latest) is cheaper than o4-mini by about 86% on a blended (75% input / 25% output) basis. Mistral Small (latest) charges $0.15 / $0.60 per 1M input/output tokens; o4-mini charges $1.10 / $4.40.

FieldMistral Small (latest)o4-mini
Input $/Mtok$0.15$1.10
Output $/Mtok$0.60$4.40
Cache read $/Mtok$0.0150$0.28
Cache write $/Mtok––
Input $/Mchar0.05330.31
Output $/Mchar0.211.24
Context window256000200000
Tokenizermistralo200k
Confidence?aggregatorapi
Sourcelitellmopenrouter

Confidence: official = vendor pricing page · api = OpenRouter per-host · aggregator = community list, may lag · unreviewed = automatic extraction awaiting review. When sources disagree the most authoritative wins. Details: /methodology#confidence

Price history

Same workload, monthly cost

Illustrative monthly cost at 10M tokens/month, split per workload preset. Not a substitute for the calculator, which uses your own volume, cache and batch assumptions.

WorkloadMistral Small (latest)o4-mini
Coding agent$1.73$12.65
RAG chat$2.17$15.95
Summarisation (batch)$1.95$14.30
Classification$1.59$11.66
Chat assistant$3.30$24.20
Content generation$5.10$37.40

Cite this page

Mistral Small (latest) vs o4-mini: $0.15/$0.60 vs $1.10/$4.40 per 1M tokens as of 2026-10-04. Token Barometer by Dejan Strbad, https://tokenbarometer.com, data CC BY 4.0. https://tokenbarometer.com/compare/mistral_mistral-small-2503-vs-openai_o4-mini

Mistral Small (latest) page | o4-mini page | Open in calculator