Compare/Mistral Medium vs o3

Mistral Mediumvso3

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

Mistral

Mistral Medium

Input
$2.75/M
Output
$8.1/M
Speed
73 tok/s
TTFT
0.40s
OpenAI

o3

Input
$2/M
Output
$8/M
Speed
94 tok/s
TTFT
7.87s

Winner by Category

Cheaper
o3
Faster (tok/s)
o3
Lower Latency
Mistral Medium
Benchmarks (0-12)
o3

Pricing Comparison

MetricMistral Mediumo3
Input ($/M tokens)$2.75$2
Output ($/M tokens)$8.1$8
Cost for 1M input + 100K output tokens:
Mistral Medium$3.56
o3$2.80

Speed Comparison

Output Speed (tokens/s) — higher is better
Mistral Medium
73 tok/s
o3
94 tok/s
Time to First Token (seconds) — lower is better
Mistral Medium
0.40s
o3
7.87s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
9.038.4
Coding Index
38.4
Math Index
88.3
GPQA Diamond
34.9%82.7%
MMLU-Pro
49.1%85.3%
LiveCodeBench
9.9%80.8%
AIME 2025
88.3%
MATH-500
40.5%99.2%
Humanity's Last Exam
3.4%20.0%
SciCode
11.8%41.0%
IFBench
71.4%
TerminalBench
37.1%
Mistral Medium0 wins
12 winso3

Frequently Asked Questions

Which is cheaper, Mistral Medium or o3?

o3 is cheaper overall. Its blended price (3:1 input/output ratio) is $3.50/M tokens vs $4.09/M for Mistral Medium.

Which model performs better on benchmarks?

o3 wins 12 out of 12 benchmarks compared to 0 for Mistral Medium. See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

o3 generates tokens faster at 94 tok/s vs 73 tok/s. Mistral Medium also has lower time-to-first-token (0.40s vs 7.87s).

When should I use Mistral Medium vs o3?

Choose based on your priorities: o3 for lower cost, o3 for stronger benchmark performance, and o3 for faster generation. For latency-sensitive apps, check the TTFT comparison above.