Model Comparison

gpt-oss-120b (high)
vs. M2.5

Comparing 2 AI models · 10 benchmarks · OpenAI, MiniMax

Recommended Pick

MiniMax logo M2.5 9 metric wins

Strongest on: Intelligence, Coding, GPQA

Best Value

OpenAI logo

gpt-oss-120b (high)

100.0 value score

63.4 reasoning / $0.26/1M

Lowest Price

OpenAI logo

gpt-oss-120b (high)

$0.15/1M input price

Best Reasoning

OpenAI logo

gpt-oss-120b (high)

63.4 reasoning score

Blends available reasoning benchmarks

Best for Coding

MiniMax logo

M2.5

37.4 coding index

Composite Indices

Higher is better; speed and price are normalized

Standard Benchmarks

Only benchmarks with data are shown

Differences That Matter

Best value

gpt-oss-120b (high) has the strongest quality-to-price mix at 100.0 out of 100 value points.

Price gap

gpt-oss-120b (high) is 2.0x cheaper on input tokens than M2.5.

Speed gap

gpt-oss-120b (high) generates about 1.6x as many tokens per second as M2.5.

Reasoning gap

gpt-oss-120b (high) leads M2.5 by 14.8 points on reasoning.

Coding gap

M2.5 leads gpt-oss-120b (high) by 8.8 points on coding.

Live compare

Response Face-Off

Run one prompt through the selected models and compare response quality with live speed and cost context.

OpenAI logo

gpt-oss-120b (high)

OpenAI

Waiting

TTFT

Time

tok/s

Tokens

Cost

Waiting
MiniMax logo

M2.5

MiniMax

Waiting

TTFT

Time

tok/s

Tokens

Cost

Waiting

Which answer was more useful?

AI Chat

Chat with 80+ models

Inference API

EU-hosted inference

Full Comparison

Metric
OpenAI logo gpt-oss-120b (high)
OpenAI
Top Pick
MiniMax logo M2.5
MiniMax
Pricing per 1M tokens
Input Cost $0.15/1M$0.30/1M
Output Cost $0.60/1M$1.20/1M
Blended (3:1) $0.26/1M$0.52/1M
Specifications
Organization OpenAIMiniMax
Release Date Aug 5, 2025Feb 12, 2026
Performance & Speed
Throughput 353.8 tok/s217.6 tok/s
TTFT 517ms12625ms
Latency 6171ms21815ms
Composite Indices
Value Score 100.038.3
Reasoning Score 63.448.6
Intelligence 33.341.9
Coding 28.637.4
Math 93.4
Standard Benchmarks
GPQA 78.2%84.8%
MMLU Pro 80.8%
HLE 18.5%19.1%
LiveCodeBench 87.8%
AIME 2025 93.4%
SciCode 38.9%42.6%
LCR 50.7%66.0%
IFBench 69.0%71.6%
TAU-bench v2 65.8%95.3%
TerminalBench Hard 23.5%34.8%

Key Takeaways

gpt-oss-120b (high) offers the best value at $0.15/1M, making it ideal for high-volume applications and cost-conscious projects.

gpt-oss-120b (high) has the strongest reasoning profile with a 63.4 reasoning score, combining the available reasoning-heavy benchmarks.

M2.5 reaches a 37.4 coding index, making it the top choice for software development and code generation tasks.

All models support context windows of ∞+ tokens, suitable for processing lengthy documents and maintaining extended conversations.

When to Choose Each Model

OpenAI logo

gpt-oss-120b (high)

  • Cost-sensitive applications
  • High-volume processing
  • Complex reasoning tasks
  • Research & analysis
MiniMax logo

M2.5

  • Code generation
  • Software development