GPT-5.1 Codex High vs MiniMax M2.5: Specs & Benchmark Comparison
| Characteristic | GPT-5.1 Codex High | MiniMax M2.5 |
|---|---|---|
| Company | OpenAI | MiniMax |
| Release Date | November 11, 2025 | February 11, 2026 |
| Parameters | — | 230B |
| Multimodal | Yes | Yes |
| Context (input) | 400K | — |
| Context (output) | 128K | — |
| Input Price / 1M | $1.25 | — |
| Output Price / 1M | $10.00 | — |
| Average Score | 1.0 | 0.7 |
Verdict
MiniMax M2.5 leads in 1 out of 2 comparison categories.
Overall Performance
Both models show comparable average scores: GPT-5.1 Codex High — 1.0, MiniMax M2.5 — 0.7.
Recency
MiniMax M2.5 is newer: released 2/11/2026 vs 11/11/2025.
More About These Models
Related Comparisons
The GPT-5.1 Codex High 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 Codex High or MiniMax M2.5 page. See also the complete list of AI model comparisons.