Compare/GPT-5 mini (high) vs Mistral Medium 3.1

GPT-5 mini (high)vsMistral Medium 3.1

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

OpenAI

GPT-5 mini (high)

Input
$0.25/M
Output
$2/M
Speed
76 tok/s
TTFT
85.44s
Mistral

Mistral Medium 3.1

Input
$0.4/M
Output
$2/M
Speed
55 tok/s
TTFT
0.44s

Winner by Category

Cheaper
GPT-5 mini (high)
Faster (tok/s)
GPT-5 mini (high)
Lower Latency
Mistral Medium 3.1
Benchmarks (11-0)
GPT-5 mini (high)

Pricing Comparison

MetricGPT-5 mini (high)Mistral Medium 3.1
Input ($/M tokens)$0.25$0.4
Output ($/M tokens)$2$2
Cost for 1M input + 100K output tokens:
GPT-5 mini (high)$0.45
Mistral Medium 3.1$0.60

Speed Comparison

Output Speed (tokens/s) — higher is better
GPT-5 mini (high)
76 tok/s
Mistral Medium 3.1
55 tok/s
Time to First Token (seconds) — lower is better
GPT-5 mini (high)
85.44s
Mistral Medium 3.1
0.44s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
41.221.3
Coding Index
35.318.3
Math Index
90.738.3
GPQA Diamond
82.8%58.8%
MMLU-Pro
83.7%68.3%
LiveCodeBench
83.8%40.6%
AIME 2025
90.7%38.3%
MATH-500
Humanity's Last Exam
19.7%4.4%
SciCode
39.2%33.8%
IFBench
75.4%39.8%
TerminalBench
33.3%10.6%
GPT-5 mini (high)11 wins
0 winsMistral Medium 3.1

Frequently Asked Questions

Which is cheaper, GPT-5 mini (high) or Mistral Medium 3.1?

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 3.1.

Which model performs better on benchmarks?

GPT-5 mini (high) wins 11 out of 12 benchmarks compared to 0 for Mistral Medium 3.1. 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 76 tok/s vs 55 tok/s. However, Mistral Medium 3.1 has lower time-to-first-token (0.44s vs 85.44s).

When should I use GPT-5 mini (high) vs Mistral Medium 3.1?

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.