# Claude Opus 4.5 vs MiniMax M3

> Side-by-side benchmark comparison for Claude Opus 4.5 and MiniMax M3 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/claude-opus-4-5-vs-minimax-m3
- Last updated: October 15, 2026

- Shared sourced benchmarks: 10
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Pick MiniMax M3 if you want the stronger benchmark profile. Claude Opus 4.5 only makes more sense when its price, context window, or workload-specific category wins matter more than the overall score.

## Summary

- MiniMax M3 leads overall 54.94 to 54.01.
- The clearest category separation is in instruction following, where the averages are 31.9 for Claude Opus 4.5 and 93.8 for MiniMax M3.
- The biggest single benchmark swing is MCP Atlas in Agentic, with scores of 42.3% and 74.2%.
- MiniMax M3 is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.
- MiniMax M3 also has the larger context window at 1M.

## Model Snapshot

| Property | Claude Opus 4.5 | MiniMax M3 |
|----------|----------|----------|
| Creator | Anthropic | MiniMax |
| Type | Proprietary | Open Weight |
| Reasoning | Non-Reasoning | Non-Reasoning |
| Context | 200K | 1M |
| Overall Score | 54.01 | 54.94 |
| Benchmarks Covered | 61 | 27 |
| Pricing (input/output) | $5.00 / $25.00 | $0.30 / $1.20 |

## Category Breakdown

### Agentic

- Winner: Directional only
- Claude Opus 4.5 public-lane score: 32.4 (Estimated · #87/126)
- MiniMax M3 public-lane score: 39.4 (Supported · #67/126)

| Benchmark | Claude Opus 4.5 | MiniMax M3 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 59.3% | Coming soon | Coming soon |
| OSWorld-Verified | 66.3% | 70.1% | MiniMax M3 |
| OSWorld | 66.3% | Coming soon | Coming soon |
| Claw-Eval | 59.6% | 74.5% | MiniMax M3 |
| QwenClawBench | 52.3% | Coming soon | Coming soon |
| τ³-bench results | 70.2% | Coming soon | Coming soon |
| VITA-Bench | 23.3% | Coming soon | Coming soon |
| DeepPlanning | 26.4% | Coming soon | Coming soon |
| Toolathlon | 43.5% | Coming soon | Coming soon |
| MCP Atlas | 42.3% | 74.2% | MiniMax M3 |
| MCP-Tasks | 71.8% | Coming soon | Coming soon |
| WideResearch | 76.4% | Coming soon | Coming soon |
| CyberGym | 50.6% | Coming soon | Coming soon |
| Gert Labs | 64.23% | Coming soon | Coming soon |
| JobBench | 32.3% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 66.0% | Coming soon |
| BrowseComp | Coming soon | 83.5% | Coming soon |
| BankerToolBench | Coming soon | 76.1% | Coming soon |
| ResearchClawBench | Coming soon | 19.8% | Coming soon |
| OSWorld 2.0 | Coming soon | 4.6% | Coming soon |
| Terminal-Bench 2.1 (Vals) | Coming soon | 53.6% | Coming soon |

### Coding

- Winner: Directional only
- Claude Opus 4.5 public-lane score: 40.4 (Estimated · #64/149)
- MiniMax M3 public-lane score: 36.5 (Supported · #73/149)

| Benchmark | Claude Opus 4.5 | MiniMax M3 | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 80.9% | 80.5% | Claude Opus 4.5 |
| LiveCodeBench v6 | 84.8% | Coming soon | Coming soon |
| SWE-bench Pro | 57.1% | 59% | MiniMax M3 |
| SWE Multilingual | 77.5% | Coming soon | Coming soon |
| NL2Repo | 43.2% | 42.1% | Claude Opus 4.5 |
| Terminal-Bench 2.0 | 59.3% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 66.0% | Coming soon |
| VIBE V2 | Coming soon | 50.1% | Coming soon |
| SVG-Bench | Coming soon | 63.7% | Coming soon |
| KernelBench Hard | Coming soon | 28.8% | Coming soon |
| OpenHarmony Bench | Coming soon | 48.4% | Coming soon |
| LiveCodeBench (Vals) | Coming soon | 82.2% | Coming soon |
| SWE-bench (Vals) | Coming soon | 75.0% | Coming soon |

### Reasoning

- Winner: Not comparable
- Claude Opus 4.5 public-lane score: 78.3 (Unranked · 4 rankable rows)
- MiniMax M3 public-lane score: 82.9 (#5/29)

| Benchmark | Claude Opus 4.5 | MiniMax M3 | Winner |
|-----------|-----------|-----------|--------|
| LongBench v2 | 64.4% | Coming soon | Coming soon |
| AI-Needle | 74% | Coming soon | Coming soon |

### Multimodal & Grounded

- Winner: Directional only
- Claude Opus 4.5 public-lane score: 48.6 (#49/54)
- MiniMax M3 public-lane score: 61.5 (#43/54)

| Benchmark | Claude Opus 4.5 | MiniMax M3 | Winner |
|-----------|-----------|-----------|--------|
| MMMU | 80.7% | Coming soon | Coming soon |
| MMMU-Pro | 70.6% | 78.1% | MiniMax M3 |
| RealWorldQA | 77.0% | Coming soon | Coming soon |
| OmniDocBench 1.5 | 87.7% | 91.6% | MiniMax M3 |
| Video-MME (with subtitle) | 77.6% | 85.4% | MiniMax M3 |
| Video-MME (w/o subtitle) | 81.4% | Coming soon | Coming soon |
| MathVision | 74.3% | Coming soon | Coming soon |
| We-Math | 70.0% | Coming soon | Coming soon |
| DynaMath | 79.7% | Coming soon | Coming soon |
| SimpleVQA | 65.7% | Coming soon | Coming soon |
| CharXiv | 68.5% | Coming soon | Coming soon |
| CountBench | 90.6% | Coming soon | Coming soon |
| AI2D_TEST | 87.7% | Coming soon | Coming soon |
| ERQA | 46.8% | Coming soon | Coming soon |
| VideoMMMU | 84.4% | 84.6% | MiniMax M3 |
| MLVU (M-Avg) | 81.7% | Coming soon | Coming soon |
| ScreenSpot Pro | 45.7% | Coming soon | Coming soon |
| V* | 67.0% | Coming soon | Coming soon |
| OfficeQA Pro | Coming soon | 45.1% | Coming soon |

### Knowledge

- Winner: Directional only
- Claude Opus 4.5 public-lane score: 51.1 (Estimated · #76/182)
- MiniMax M3 public-lane score: 49.6 (Supported · #81/182)

| Benchmark | Claude Opus 4.5 | MiniMax M3 | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 87% | Coming soon | Coming soon |
| SuperGPQA | 70.6% | Coming soon | Coming soon |
| MMLU-Pro | 89.5% | Coming soon | Coming soon |
| MMLU-Redux | 96.6% | Coming soon | Coming soon |
| C-Eval | 92.2% | Coming soon | Coming soon |
| HLE | 30.8% | Coming soon | Coming soon |
| GPQA Diamond (Vals) | Coming soon | 92.7% | Coming soon |
| MMLU-Pro (Vals) | Coming soon | 84.2% | Coming soon |

### Multilingual

- Winner: Not comparable
- Claude Opus 4.5 public-lane score: 96.5 (#2/17)
- MiniMax M3 public-lane score: Coming soon

| Benchmark | Claude Opus 4.5 | MiniMax M3 | Winner |
|-----------|-----------|-----------|--------|
| MMLU-ProX | 85.7% | Coming soon | Coming soon |
| NOVA-63 | 56.7% | Coming soon | Coming soon |
| INCLUDE | 86.2% | Coming soon | Coming soon |
| PolyMath | 79.0% | Coming soon | Coming soon |
| MAXIFE | 79.2% | Coming soon | Coming soon |

### Instruction Following

- Winner: Directional only
- Claude Opus 4.5 public-lane score: 31.9 (#129/146)
- MiniMax M3 public-lane score: 93.8 (#5/146)

| Benchmark | Claude Opus 4.5 | MiniMax M3 | Winner |
|-----------|-----------|-----------|--------|
| IFEval | 90.9% | Coming soon | Coming soon |
| IFBench | 58% | Coming soon | Coming soon |

### Mathematics

- Winner: Not comparable
- Claude Opus 4.5 public-lane score: 61.3 (#9/12)
- MiniMax M3 public-lane score: Coming soon

| Benchmark | Claude Opus 4.5 | MiniMax M3 | Winner |
|-----------|-----------|-----------|--------|
| AIME26 | 95.1% | Coming soon | Coming soon |
| HMMT Feb 2025 | 92.9% | Coming soon | Coming soon |
| HMMT Nov 2025 | 93.3% | Coming soon | Coming soon |
| HMMT Feb 2026 | 85.3% | Coming soon | Coming soon |
| MMAnswerBench | 84.0% | Coming soon | Coming soon |
| FrontierMath v2 (Tiers 1-3) | 34.386% | Coming soon | Coming soon |
| FrontierMath v2 (Tier 4) | 4.878% | Coming soon | Coming soon |
| USAMO 2026 | Coming soon | 85.7% | Coming soon |

## FAQ

### Which is better overall, Claude Opus 4.5 or MiniMax M3?

MiniMax M3 is ahead overall on BenchLM right now.

### Where is the biggest gap between Claude Opus 4.5 and MiniMax M3?

The widest category gap is in instruction following, where the averages are 31.9 for Claude Opus 4.5 and 93.8 for MiniMax M3.

### How many benchmarks does Claude Opus 4.5 cover on BenchLM?

Claude Opus 4.5 currently has 61 sourced benchmark scores on BenchLM.

### How many benchmarks does MiniMax M3 cover on BenchLM?

MiniMax M3 currently has 27 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Claude Opus 4.5 vs Claude Opus 4.5 Thinking](/compare/claude-opus-4-5-vs-claude-opus-4-5-thinking)
- [MiniMax M3 vs Claude Opus 4.5 Thinking](/compare/claude-opus-4-5-thinking-vs-minimax-m3)
- [Claude Opus 4.5 vs Claude Opus 5.5](/compare/claude-opus-4-5-vs-claude-opus-5-5)
- [MiniMax M3 vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-minimax-m3)

## Explore More

- [Claude Opus 4.5 profile](/models/claude-opus-4-5)
- [MiniMax M3 profile](/models/minimax-m3)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)