GPT-5.2 Codex vs MiniMax M2.5: Specs & Benchmark Comparison

CharacteristicGPT-5.2 CodexMiniMax M2.5
CompanyOpenAIMiniMax
Release DateJanuary 13, 2026February 11, 2026
Parameters230B
MultimodalYesYes
Context (input)400K
Context (output)128K
Input Price / 1M$1.75
Output Price / 1M$14.00
Average Score0.60.7
Benchmarks
SWE-Bench Pro0.60.6

Visual Benchmark Comparison

GPT-5.2 Codex
MiniMax M2.5
SWE-Bench Pro0.6 vs 0.6
0.6
0.6

Verdict

MiniMax M2.5 leads in 1 out of 2 comparison categories.

Overall Performance

Both models show comparable average scores: GPT-5.2 Codex — 0.6, MiniMax M2.5 — 0.7.

Recency

MiniMax M2.5 is newer: released 2/11/2026 vs 1/13/2026.

More About These Models

Related Comparisons

The GPT-5.2 Codex 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-5.2 Codex or MiniMax M2.5 page. See also the complete list of AI model comparisons.