Compare/MiMo-V2.5 vs gpt-oss-120B (high)

MiMo-V2.5vsgpt-oss-120B (high)

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

Xiaomi

MiMo-V2.5

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

gpt-oss-120B (high)

Input
$0.15/M
Output
$0.6/M
Speed
225 tok/s
TTFT
0.43s

Winner by Category

Cheaper
MiMo-V2.5
Faster (tok/s)
gpt-oss-120B (high)
Lower Latency
MiMo-V2.5
Benchmarks (6-5)
MiMo-V2.5

Pricing Comparison

MetricMiMo-V2.5gpt-oss-120B (high)
Input ($/M tokens)$0$0.15
Output ($/M tokens)$0$0.6
Cost for 1M input + 100K output tokens:
MiMo-V2.5$0.00
gpt-oss-120B (high)$0.21

Speed Comparison

Output Speed (tokens/s) — higher is better
MiMo-V2.5
gpt-oss-120B (high)
225 tok/s
Time to First Token (seconds) — lower is better
MiMo-V2.5
gpt-oss-120B (high)
0.43s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
49.033.3
Coding Index
42.128.6
Math Index
93.4
GPQA Diamond
84.9%78.2%
MMLU-Pro
80.8%
LiveCodeBench
87.8%
AIME 2025
93.4%
MATH-500
Humanity's Last Exam
25.2%18.5%
SciCode
43.1%38.9%
IFBench
67.1%69.0%
TerminalBench
41.7%23.5%
MiMo-V2.56 wins
5 winsgpt-oss-120B (high)

Frequently Asked Questions

Which is cheaper, MiMo-V2.5 or gpt-oss-120B (high)?

MiMo-V2.5 is cheaper overall. Its blended price (3:1 input/output ratio) is $0.00/M tokens vs $0.26/M for gpt-oss-120B (high).

Which model performs better on benchmarks?

MiMo-V2.5 wins 6 out of 12 benchmarks compared to 5 for gpt-oss-120B (high). See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

gpt-oss-120B (high) generates tokens faster at 225 tok/s vs 0 tok/s. MiMo-V2.5 also has lower time-to-first-token (0.00s vs 0.43s).

When should I use MiMo-V2.5 vs gpt-oss-120B (high)?

Choose based on your priorities: MiMo-V2.5 for lower cost, MiMo-V2.5 for stronger benchmark performance, and gpt-oss-120B (high) for faster generation. For latency-sensitive apps, check the TTFT comparison above.