Compare · ModelsLive · 2 picked · head to head
GPT-5 Nano vs Mistral Medium 3
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
GPT-5 Nano wins on 5/5 benchmarks
GPT-5 Nano wins 5 of 5 shared benchmarks. Leads in general · math · knowledge.
Category leads
general·GPT-5 Nanomath·GPT-5 Nanoknowledge·GPT-5 Nano
Hype vs Reality
Attention vs performance
GPT-5 Nano
#203 by perf·#10 by attention
Mistral Medium 3
#199 by perf·no signal
Best value
GPT-5 Nano
5.3x better value than Mistral Medium 3
GPT-5 Nano
173.3 pts/$
$0.23/M
Mistral Medium 3
32.8 pts/$
$1.20/M
Vendor risk
Who is behind the model
OpenAI
$840.0B·Tier 1
Mistral AI
$14.0B·Tier 1
Head to head
5 benchmarks · 2 models
GPT-5 NanoMistral Medium 3
Dtbench
GPT-5 Nano leads by +0.7
GPT-5 Nano
37.8
Mistral Medium 3
37.1
FrontierMath-2025-02-28-Private
GPT-5 Nano leads by +7.7
FrontierMath (Feb 2025) · original research-level math problems created by mathematicians, testing capabilities at the boundary of current AI mathematical reasoning.
GPT-5 Nano
8.3
Mistral Medium 3
0.6
GPQA diamond
GPT-5 Nano leads by +13.2
Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs.
GPT-5 Nano
59.3
Mistral Medium 3
46.0
MATH level 5
GPT-5 Nano leads by +13.6
MATH Level 5 · the hardest tier of the MATH benchmark, featuring competition-level problems from AMC, AIME, and Olympiad-style mathematics.
GPT-5 Nano
95.2
Mistral Medium 3
81.6
OTIS Mock AIME 2024-2025
GPT-5 Nano leads by +48.9
OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills.
GPT-5 Nano
81.1
Mistral Medium 3
32.1
Full benchmark table
| Benchmark | GPT-5 Nano | Mistral Medium 3 |
|---|---|---|
Dtbench | 37.8 | 37.1 |
FrontierMath-2025-02-28-Private FrontierMath (Feb 2025) · original research-level math problems created by mathematicians, testing capabilities at the boundary of current AI mathematical reasoning. | 8.3 | 0.6 |
GPQA diamond Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs. | 59.3 | 46.0 |
MATH level 5 MATH Level 5 · the hardest tier of the MATH benchmark, featuring competition-level problems from AMC, AIME, and Olympiad-style mathematics. | 95.2 | 81.6 |
OTIS Mock AIME 2024-2025 OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills. | 81.1 | 32.1 |
Pricing · per 1M tokens · projected $/mo at 10M tokens
| Model | Input | Output | Context | Projected $/mo |
|---|---|---|---|---|
| $0.05 | $0.40 | 400K tokens (~200 books) | $1.38 | |
| $0.40 | $2.00 | 131K tokens (~66 books) | $8.00 |
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