Compare/Mistral Small 4 (Non-reasoning) vs gpt-oss-120B (low)

Mistral Small 4 (Non-reasoning)vsgpt-oss-120B (low)

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

Mistral

Mistral Small 4 (Non-reasoning)

Input
$0.15/M
Output
$0.6/M
Speed
159 tok/s
TTFT
0.41s
OpenAI

gpt-oss-120B (low)

Input
$0.15/M
Output
$0.6/M
Speed
255 tok/s
TTFT
0.51s

Winner by Category

Cheaper
Tie
Faster (tok/s)
gpt-oss-120B (low)
Lower Latency
Mistral Small 4 (Non-reasoning)
Benchmarks (2-9)
gpt-oss-120B (low)

Pricing Comparison

MetricMistral Small 4 (Non-reasoning)gpt-oss-120B (low)
Input ($/M tokens)$0.15$0.15
Output ($/M tokens)$0.6$0.6
Cost for 1M input + 100K output tokens:
Mistral Small 4 (Non-reasoning)$0.21
gpt-oss-120B (low)$0.21

Speed Comparison

Output Speed (tokens/s) — higher is better
Mistral Small 4 (Non-reasoning)
159 tok/s
gpt-oss-120B (low)
255 tok/s
Time to First Token (seconds) — lower is better
Mistral Small 4 (Non-reasoning)
0.41s
gpt-oss-120B (low)
0.51s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
18.624.5
Coding Index
16.415.5
Math Index
66.7
GPQA Diamond
57.1%67.2%
MMLU-Pro
77.5%
LiveCodeBench
70.7%
AIME 2025
66.7%
MATH-500
Humanity's Last Exam
3.7%5.2%
SciCode
28.1%36.0%
IFBench
32.8%58.3%
TerminalBench
10.6%5.3%
Mistral Small 4 (Non-reasoning)2 wins
9 winsgpt-oss-120B (low)

Frequently Asked Questions

Which is cheaper, Mistral Small 4 (Non-reasoning) or gpt-oss-120B (low)?

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

Which model performs better on benchmarks?

gpt-oss-120B (low) wins 9 out of 12 benchmarks compared to 2 for Mistral Small 4 (Non-reasoning). See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

gpt-oss-120B (low) generates tokens faster at 255 tok/s vs 159 tok/s. Mistral Small 4 (Non-reasoning) also has lower time-to-first-token (0.41s vs 0.51s).

When should I use Mistral Small 4 (Non-reasoning) vs gpt-oss-120B (low)?

Choose based on your priorities: both are similarly priced, gpt-oss-120B (low) for stronger benchmark performance, and gpt-oss-120B (low) for faster generation. For latency-sensitive apps, check the TTFT comparison above.