Compare/Mistral Small 4 (Reasoning) vs GPT-4o mini

Mistral Small 4 (Reasoning)vsGPT-4o mini

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

Mistral

Mistral Small 4 (Reasoning)

Input
$0.15/M
Output
$0.6/M
Speed
163 tok/s
TTFT
0.54s
OpenAI

GPT-4o mini

Input
$0.15/M
Output
$0.6/M
Speed
66 tok/s
TTFT
0.70s

Winner by Category

Cheaper
Tie
Faster (tok/s)
Mistral Small 4 (Reasoning)
Lower Latency
Mistral Small 4 (Reasoning)
Benchmarks (7-5)
Mistral Small 4 (Reasoning)

Pricing Comparison

MetricMistral Small 4 (Reasoning)GPT-4o mini
Input ($/M tokens)$0.15$0.15
Output ($/M tokens)$0.6$0.6
Cost for 1M input + 100K output tokens:
Mistral Small 4 (Reasoning)$0.21
GPT-4o mini$0.21

Speed Comparison

Output Speed (tokens/s) — higher is better
Mistral Small 4 (Reasoning)
163 tok/s
GPT-4o mini
66 tok/s
Time to First Token (seconds) — lower is better
Mistral Small 4 (Reasoning)
0.54s
GPT-4o mini
0.70s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
27.812.6
Coding Index
24.3
Math Index
14.7
GPQA Diamond
76.9%42.6%
MMLU-Pro
64.8%
LiveCodeBench
23.4%
AIME 2025
14.7%
MATH-500
78.9%
Humanity's Last Exam
9.5%4.0%
SciCode
38.0%22.9%
IFBench
48.2%31.0%
TerminalBench
17.4%
Mistral Small 4 (Reasoning)7 wins
5 winsGPT-4o mini

Frequently Asked Questions

Which is cheaper, Mistral Small 4 (Reasoning) or GPT-4o mini?

Both models have similar pricing. Check the detailed breakdown above for input vs output token costs.

Which model performs better on benchmarks?

Mistral Small 4 (Reasoning) wins 7 out of 12 benchmarks compared to 5 for GPT-4o mini. See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

Mistral Small 4 (Reasoning) generates tokens faster at 163 tok/s vs 66 tok/s. Mistral Small 4 (Reasoning) also has lower time-to-first-token (0.54s vs 0.70s).

When should I use Mistral Small 4 (Reasoning) vs GPT-4o mini?

Choose based on your priorities: both are similarly priced, Mistral Small 4 (Reasoning) for stronger benchmark performance, and Mistral Small 4 (Reasoning) for faster generation. For latency-sensitive apps, check the TTFT comparison above.