Compare/Mixtral 8x22B Instruct vs o3

Mixtral 8x22B Instructvso3

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

Mistral

Mixtral 8x22B Instruct

Input
$0/M
Output
$0/M
Speed
TTFT
OpenAI

o3

Input
$2/M
Output
$8/M
Speed
125 tok/s
TTFT
6.65s

Winner by Category

Cheaper
Mixtral 8x22B Instruct
Faster (tok/s)
o3
Lower Latency
Mixtral 8x22B Instruct
Benchmarks (0-11)
o3

Pricing Comparison

MetricMixtral 8x22B Instructo3
Input ($/M tokens)$0$2
Output ($/M tokens)$0$8
Cost for 1M input + 100K output tokens:
Mixtral 8x22B Instruct$0.00
o3$2.80

Speed Comparison

Output Speed (tokens/s) — higher is better
Mixtral 8x22B Instruct
o3
125 tok/s
Time to First Token (seconds) — lower is better
Mixtral 8x22B Instruct
o3
6.65s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
4.430.4
Coding Index
Math Index
88.3
GPQA Diamond
33.2%82.7%
MMLU-Pro
53.7%85.3%
LiveCodeBench
14.8%80.8%
AIME 2025
88.3%
MATH-500
54.5%99.2%
Humanity's Last Exam
4.1%20.0%
SciCode
18.8%41.0%
IFBench
71.4%
TerminalBench
37.1%
Mixtral 8x22B Instruct0 wins
11 winso3

Frequently Asked Questions

Which is cheaper, Mixtral 8x22B Instruct or o3?

Mixtral 8x22B Instruct is cheaper overall. Its blended price (3:1 input/output ratio) is $0.00/M tokens vs $3.50/M for o3.

Which model performs better on benchmarks?

o3 wins 11 out of 12 benchmarks compared to 0 for Mixtral 8x22B Instruct. See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

o3 generates tokens faster at 125 tok/s vs 0 tok/s. Mixtral 8x22B Instruct also has lower time-to-first-token (0.00s vs 6.65s).

When should I use Mixtral 8x22B Instruct vs o3?

Choose based on your priorities: Mixtral 8x22B Instruct for lower cost, o3 for stronger benchmark performance, and o3 for faster generation. For latency-sensitive apps, check the TTFT comparison above.