# GPT-5.1-Codex-Max vs MiniMax M2.5

> Side-by-side benchmark comparison for GPT-5.1-Codex-Max and MiniMax M2.5 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/gpt-5-1-codex-max-vs-minimax-m2-5
- Last updated: October 17, 2026

- Shared sourced benchmarks: 1
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Evidence is too thin for a benchmark verdict: GPT-5.1-Codex-Max and MiniMax M2.5 share only 1 sourced benchmark row.

## Summary

- Only 1 shared sourced benchmark row is available. That is not enough for a broad capability verdict, so this mirror does not name an overall winner.
- MiniMax M2.5 has the lower published output-token price.
- GPT-5.1-Codex-Max has the larger published context window at 400K.

## Model Snapshot

| Property | GPT-5.1-Codex-Max | MiniMax M2.5 |
|----------|----------|----------|
| Creator | OpenAI | MiniMax |
| Type | Proprietary | Proprietary |
| Reasoning | Reasoning | Non-Reasoning |
| Context | 400K | 128K |
| Independent public score (not head-to-head) | null | 49.95 |
| Benchmarks Covered | 2 | 1 |
| Pricing (input/output) | $1.25 / $10.00 | $0.30 / $1.20 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- GPT-5.1-Codex-Max public-lane score: Coming soon
- MiniMax M2.5 public-lane score: 28 (Estimated · #97/128)

### Coding

- Winner: Insufficient shared evidence
- GPT-5.1-Codex-Max public-lane score: Coming soon
- MiniMax M2.5 public-lane score: 34.1 (Estimated · #81/150)

| Benchmark | GPT-5.1-Codex-Max | MiniMax M2.5 | Winner |
|-----------|-----------|-----------|--------|
| Vibe Code Bench | 22.17% | 14.85% | GPT-5.1-Codex-Max |
| LiveCodeBench (Vals) | 83.6% | Coming soon | Coming soon |

## FAQ

### Is there enough evidence to pick between GPT-5.1-Codex-Max and MiniMax M2.5?

Not yet. The models share only 1 sourced benchmark row, so this mirror reports the available measurements and metadata without naming a broad winner.

### What can I compare safely on this page?

Published pricing, context windows, model type, and individual shared benchmark rows are directly comparable. Independent overall scores and non-overlapping benchmark coverage are labeled separately and should not be read as a controlled head-to-head result.

## Related Comparisons

- [GPT-5.1-Codex-Max vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-gpt-5-1-codex-max)
- [MiniMax M2.5 vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-minimax-m2-5)
- [GPT-5.1-Codex-Max vs GPT-6.1 Sol](/compare/gpt-5-1-codex-max-vs-gpt-6-1-sol)
- [MiniMax M2.5 vs GPT-6.1 Sol](/compare/gpt-6-1-sol-vs-minimax-m2-5)

## Explore More

- [GPT-5.1-Codex-Max profile](/models/gpt-5-1-codex-max)
- [MiniMax M2.5 profile](/models/minimax-m2-5)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)