Compare/Mistral Medium 3 vs GPT-5 mini (high)

Mistral Medium 3vsGPT-5 mini (high)

Side-by-side comparison of pricing, 12 benchmarks, and generation speed.

Mistral

Mistral Medium 3

Input
$0.4/M
Output
$2/M
Speed
52 tok/s
TTFT
0.37s
OpenAI

GPT-5 mini (high)

Input
$0.25/M
Output
$2/M
Speed
88 tok/s
TTFT
86.49s

Winner by Category

Cheaper
GPT-5 mini (high)
Faster (tok/s)
GPT-5 mini (high)
Lower Latency
Mistral Medium 3
Benchmarks (1-11)
GPT-5 mini (high)

Pricing Comparison

MetricMistral Medium 3GPT-5 mini (high)
Input ($/M tokens)$0.4$0.25
Output ($/M tokens)$2$2
Cost for 1M input + 100K output tokens:
Mistral Medium 3$0.60
GPT-5 mini (high)$0.45

Speed Comparison

Output Speed (tokens/s) — higher is better
Mistral Medium 3
52 tok/s
GPT-5 mini (high)
88 tok/s
Time to First Token (seconds) — lower is better
Mistral Medium 3
0.37s
GPT-5 mini (high)
86.49s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
18.841.2
Coding Index
13.635.3
Math Index
30.390.7
GPQA Diamond
57.8%82.8%
MMLU-Pro
76.0%83.7%
LiveCodeBench
40.0%83.8%
AIME 2025
30.3%90.7%
MATH-500
90.7%
Humanity's Last Exam
4.3%19.7%
SciCode
33.1%39.2%
IFBench
39.3%75.4%
TerminalBench
3.8%33.3%
Mistral Medium 31 wins
11 winsGPT-5 mini (high)

Frequently Asked Questions

Which is cheaper, Mistral Medium 3 or GPT-5 mini (high)?

GPT-5 mini (high) is cheaper overall. Its blended price (3:1 input/output ratio) is $0.69/M tokens vs $0.80/M for Mistral Medium 3.

Which model performs better on benchmarks?

GPT-5 mini (high) wins 11 out of 12 benchmarks compared to 1 for Mistral Medium 3. See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

GPT-5 mini (high) generates tokens faster at 88 tok/s vs 52 tok/s. Mistral Medium 3 also has lower time-to-first-token (0.37s vs 86.49s).

When should I use Mistral Medium 3 vs GPT-5 mini (high)?

Choose based on your priorities: GPT-5 mini (high) for lower cost, GPT-5 mini (high) for stronger benchmark performance, and GPT-5 mini (high) for faster generation. For latency-sensitive apps, check the TTFT comparison above.