Compare/MiMo-V2.5 vs gpt-oss-20B (low)

MiMo-V2.5vsgpt-oss-20B (low)

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-20B (low)

Input
$0.07/M
Output
$0.225/M
Speed
289 tok/s
TTFT
0.36s

Winner by Category

Cheaper
MiMo-V2.5
Faster (tok/s)
gpt-oss-20B (low)
Lower Latency
MiMo-V2.5
Benchmarks (7-4)
MiMo-V2.5

Pricing Comparison

MetricMiMo-V2.5gpt-oss-20B (low)
Input ($/M tokens)$0$0.07
Output ($/M tokens)$0$0.225
Cost for 1M input + 100K output tokens:
MiMo-V2.5$0.00
gpt-oss-20B (low)$0.09

Speed Comparison

Output Speed (tokens/s) — higher is better
MiMo-V2.5
gpt-oss-20B (low)
289 tok/s
Time to First Token (seconds) — lower is better
MiMo-V2.5
gpt-oss-20B (low)
0.36s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
49.020.8
Coding Index
42.114.4
Math Index
62.3
GPQA Diamond
84.9%61.1%
MMLU-Pro
71.8%
LiveCodeBench
65.2%
AIME 2025
62.3%
MATH-500
Humanity's Last Exam
25.2%5.1%
SciCode
43.1%34.0%
IFBench
67.1%57.8%
TerminalBench
41.7%4.5%
MiMo-V2.57 wins
4 winsgpt-oss-20B (low)

Frequently Asked Questions

Which is cheaper, MiMo-V2.5 or gpt-oss-20B (low)?

MiMo-V2.5 is cheaper overall. Its blended price (3:1 input/output ratio) is $0.00/M tokens vs $0.11/M for gpt-oss-20B (low).

Which model performs better on benchmarks?

MiMo-V2.5 wins 7 out of 12 benchmarks compared to 4 for gpt-oss-20B (low). See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

gpt-oss-20B (low) generates tokens faster at 289 tok/s vs 0 tok/s. MiMo-V2.5 also has lower time-to-first-token (0.00s vs 0.36s).

When should I use MiMo-V2.5 vs gpt-oss-20B (low)?

Choose based on your priorities: MiMo-V2.5 for lower cost, MiMo-V2.5 for stronger benchmark performance, and gpt-oss-20B (low) for faster generation. For latency-sensitive apps, check the TTFT comparison above.