Mistral Medium 3 vs o3-mini

Side-by-side benchmark comparison across agentic, coding, multimodal, knowledge, reasoning, and math workflows.

Benchmark data for one or both models is coming soon. This page currently shows metadata and pricing where BenchLM has it, and score-level comparisons will populate as public benchmark results land.

BenchLM does not have sourced benchmark coverage for Mistral Medium 3 yet. This comparison is currently limited to metadata such as context window, reasoning mode, and pricing where available.

o3-mini is priced at $1.10 input / $4.40 output per 1M tokens, versus $0.40 input / $2.00 output per 1M tokens for Mistral Medium 3. o3-mini has the larger context window at 200K, compared with 128K for Mistral Medium 3.

Quick Verdict

Benchmark data for Mistral Medium 3 and o3-mini is coming soon on BenchLM.

Agentic

Coming soon

Benchmark data for this category is coming soon.

Coding

Mistral Medium 3

Mistral Medium 3

92.1

o3-mini

49.3

92.1%
HumanEval
Coming soon
Coming soon
SWE-bench Verified
49.3%

Multimodal & Grounded

Coming soon

Benchmark data for this category is coming soon.

Reasoning

Coming soon

Benchmark data for this category is coming soon.

Knowledge

o3-mini

Mistral Medium 3

57.1

o3-mini

77.2

57.1%
GPQA
77.2%
Coming soon
MMLU
86.9%

Instruction Following

Coming soon

Comparable scores for this category are coming soon. One or both models do not have sourced results here yet.

Coming soon
IFEval
93.9%

Multilingual

Coming soon

Benchmark data for this category is coming soon.

Mathematics

Coming soon

Comparable scores for this category are coming soon. One or both models do not have sourced results here yet.

Coming soon
AIME 2024
87.3%

Frequently Asked Questions

Can I compare Mistral Medium 3 and o3-mini on BenchLM yet?

Not fully yet. BenchLM is tracking both models, but the sourced benchmark breakdown for this comparison is still coming soon.

Why does this comparison show “coming soon”?

BenchLM only shows category winners and benchmark-level calls when we have sourced results that can be compared fairly. For these models, the public benchmark coverage is not complete enough yet.

What data is available for Mistral Medium 3 and o3-mini today?

Mistral Medium 3: $0.40 input / $2.00 output per 1M tokens o3-mini: $1.10 input / $4.40 output per 1M tokens Both model pages still include creator, context window, reasoning mode, and other metadata while benchmark coverage fills in.

Last updated: March 17, 2026

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