Compare/MiMo-V2.5 vs o3

MiMo-V2.5vso3

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

Xiaomi

MiMo-V2.5

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

o3

Input
$2/M
Output
$8/M
Speed
118 tok/s
TTFT
7.67s

Winner by Category

Cheaper
MiMo-V2.5
Faster (tok/s)
o3
Lower Latency
MiMo-V2.5
Benchmarks (6-6)
Tie

Pricing Comparison

MetricMiMo-V2.5o3
Input ($/M tokens)$0$2
Output ($/M tokens)$0$8
Cost for 1M input + 100K output tokens:
MiMo-V2.5$0.00
o3$2.80

Speed Comparison

Output Speed (tokens/s) — higher is better
MiMo-V2.5
o3
118 tok/s
Time to First Token (seconds) — lower is better
MiMo-V2.5
o3
7.67s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
49.038.4
Coding Index
42.138.4
Math Index
88.3
GPQA Diamond
84.9%82.7%
MMLU-Pro
85.3%
LiveCodeBench
80.8%
AIME 2025
88.3%
MATH-500
99.2%
Humanity's Last Exam
25.2%20.0%
SciCode
43.1%41.0%
IFBench
67.1%71.4%
TerminalBench
41.7%37.1%
MiMo-V2.56 wins
6 winso3

Frequently Asked Questions

Which is cheaper, MiMo-V2.5 or o3?

MiMo-V2.5 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?

It's a tie — both models win 6 benchmarks each across 12 evaluated categories. See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

o3 generates tokens faster at 118 tok/s vs 0 tok/s. MiMo-V2.5 also has lower time-to-first-token (0.00s vs 7.67s).

When should I use MiMo-V2.5 vs o3?

Choose based on your priorities: MiMo-V2.5 for lower cost, both perform similarly on benchmarks, and o3 for faster generation. For latency-sensitive apps, check the TTFT comparison above.