Compare/Devstral Medium vs GPT-5 mini (minimal)

Devstral MediumvsGPT-5 mini (minimal)

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

Mistral

Devstral Medium

Input
$0.4/M
Output
$2/M
Speed
128 tok/s
TTFT
0.41s
OpenAI

GPT-5 mini (minimal)

Input
$0.25/M
Output
$2/M
Speed
98 tok/s
TTFT
0.86s

Winner by Category

Cheaper
GPT-5 mini (minimal)
Faster (tok/s)
Devstral Medium
Lower Latency
Devstral Medium
Benchmarks (1-11)
GPT-5 mini (minimal)

Pricing Comparison

MetricDevstral MediumGPT-5 mini (minimal)
Input ($/M tokens)$0.4$0.25
Output ($/M tokens)$2$2
Cost for 1M input + 100K output tokens:
Devstral Medium$0.60
GPT-5 mini (minimal)$0.45

Speed Comparison

Output Speed (tokens/s) — higher is better
Devstral Medium
128 tok/s
GPT-5 mini (minimal)
98 tok/s
Time to First Token (seconds) — lower is better
Devstral Medium
0.41s
GPT-5 mini (minimal)
0.86s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
18.720.7
Coding Index
15.921.9
Math Index
4.746.7
GPQA Diamond
49.2%68.7%
MMLU-Pro
70.8%77.5%
LiveCodeBench
33.7%54.5%
AIME 2025
4.7%46.7%
MATH-500
70.7%
Humanity's Last Exam
3.8%5.0%
SciCode
29.4%36.9%
IFBench
29.9%45.6%
TerminalBench
9.1%14.4%
Devstral Medium1 wins
11 winsGPT-5 mini (minimal)

Frequently Asked Questions

Which is cheaper, Devstral Medium or GPT-5 mini (minimal)?

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

Which model performs better on benchmarks?

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

Which is faster for real-time applications?

Devstral Medium generates tokens faster at 128 tok/s vs 98 tok/s. Devstral Medium also has lower time-to-first-token (0.41s vs 0.86s).

When should I use Devstral Medium vs GPT-5 mini (minimal)?

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