GPT-5.1 vs MiniMax M2.5
Side-by-side benchmark comparison across coding, math, reasoning, speed, and pricing.
GPT-5.1 by OpenAI wins on 6 of 11 benchmarks against MiniMax M2.5 by MiniMax, which leads on 5. This head-to-head comparison covers coding, math, reasoning, speed, and pricing metrics from our benchmark data.
Category-by-Category Breakdown
General Intelligence: In general intelligence, GPT-5.1 scores 1464 on Chatbot Arena ELO compared to MiniMax M2.5's 1443.
Coding: In coding, MiniMax M2.5 scores 1200 on Design Arena ELO compared to GPT-5.1's 1158, while MiniMax M2.5 scores 1234 on Website Arena ELO compared to GPT-5.1's 1179.
Reasoning: In reasoning, GPT-5.1 scores 86.2% on GPQA Diamond compared to MiniMax M2.5's 84.1%, while GPT-5.1 scores 75.7% on τ²-Bench Airline compared to MiniMax M2.5's 64.1%.
Context: In context, GPT-5.1 scores 400K on Context Length compared to MiniMax M2.5's 205K.
Pricing Comparison
GPT-5.1 costs $1.3/1M input tokens and $10.0/1M output tokens, while MiniMax M2.5 costs $0.27/1M input and $1.1/1M output. MiniMax M2.5 is the more affordable option for API usage.
Speed Comparison
GPT-5.1 generates output at 95 tok/s compared to MiniMax M2.5's 59 tok/s, and the time to first token is 350 ms for GPT-5.1 versus 2330 ms for MiniMax M2.5. GPT-5.1 delivers faster throughput.
Verdict
For developers prioritizing general intelligence and speed, GPT-5.1 has the edge. For those who value affordability, MiniMax M2.5 is the stronger choice.
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GPT-5.1 vs MiniMax M2.5 — FAQ
Which is better, GPT-5.1 or MiniMax M2.5?
GPT-5.1 wins on more benchmarks overall (6 vs 5). However, the best choice depends on your specific needs — each model excels in different areas.
How does GPT-5.1 compare to MiniMax M2.5 for coding?
SWE-bench Verified data is not available for both models. Check the detailed comparison charts above for other coding-related metrics.
Is GPT-5.1 cheaper than MiniMax M2.5?
Yes, MiniMax M2.5 is cheaper. GPT-5.1 costs $1.3/1M input and $10.0/1M output tokens. MiniMax M2.5 costs $0.27/1M input and $1.1/1M output tokens.
Which is faster, GPT-5.1 or MiniMax M2.5?
GPT-5.1 is faster, generating output at 95 tok/s compared to 59 tok/s. Faster output speed means shorter wait times for API responses.
What benchmarks does the GPT-5.1 vs MiniMax M2.5 comparison cover?
This comparison covers 11 benchmarks including Chatbot Arena ELO, GPQA Diamond, Output Speed, Time to First Token, Input Cost, Output Cost, Context Length, Cached Input Cost, and more. Metrics span general intelligence, coding, math, reasoning, speed, and cost categories.