GPT-5.1 Instant vs MiniMax M2.5: Specs & Benchmark Comparison

CharacteristicGPT-5.1 InstantMiniMax M2.5
CompanyOpenAIMiniMax
Release DateNovember 11, 2025February 11, 2026
Parameters230B
MultimodalYesYes
Context (input)256K
Context (output)32K
Input Price / 1M$0.30
Output Price / 1M$1.20
Average Score0.90.7
Benchmarks
SWE-Bench Verified0.80.8

Visual Benchmark Comparison

GPT-5.1 Instant
MiniMax M2.5
SWE-Bench Verified0.8 vs 0.8
0.8
0.8

Verdict

MiniMax M2.5 leads in 1 out of 3 comparison categories.

Overall Performance

Both models show comparable average scores: GPT-5.1 Instant — 0.9, MiniMax M2.5 — 0.7.

Programming

On SWE-Bench, both models are nearly equal: GPT-5.1 Instant — 0.8, MiniMax M2.5 — 0.8.

Recency

MiniMax M2.5 is newer: released 2/11/2026 vs 11/11/2025.

More About These Models

Related Comparisons

The GPT-5.1 Instant and MiniMax M2.5 comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the GPT-5.1 Instant or MiniMax M2.5 page. See also the complete list of AI model comparisons.