Model comparison
Claude Opus 4.5 Thinking vs MiniMax M3
Head-to-head evidence from 14 shared benchmark results across 6 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.
Verified leaderboard positions: Claude Opus 4.5 Thinking unranked; MiniMax M3 #18
BenchAlign evidence: Claude Opus 4.5 Thinking estimated; MiniMax M3 supported. Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.
Evidence parity. Claude Opus 4.5 Thinking and MiniMax M3 share 14 comparable benchmark results. 0 of 8 categories are comparable. 3 results are unique to Claude Opus 4.5 Thinking; 31 to MiniMax M3.
Updated July 16, 2026- Shared results
- 14
- Claude Opus 4.5 Thinking only
- 3
- MiniMax M3 only
- 31
- Comparable categories
- 0 / 8
Benchmark data for Claude Opus 4.5 Thinking and MiniMax M3 is coming soon on BenchLM.
Confidence note. This is a partial-evidence comparison with 14 shared benchmark results across 6 evidence categories; 0 of 8 categories currently have scoreable aggregates for both models. Treat the verdict as directional until coverage is more balanced.
Why this result
BenchLM has partial data for these models, but not enough overlapping benchmark coverage to produce a fair score-level comparison yet.
MiniMax M3 has the larger context window at 1M, compared with 200K for Claude Opus 4.5 Thinking.
Category breakdown
Exact category averages are shown below. Not measured means BenchLM does not have enough sourced public coverage for that model and category.
| Category | Claude Opus 4.5 Thinking | Δ | MiniMax M3 |
|---|---|---|---|
| Agentic | Claude Opus 4.5 ThinkingNot measured | MarginNo overlap | MiniMax M372.3 |
| Coding | Claude Opus 4.5 ThinkingNot measured | MarginNo overlap | MiniMax M372.2 |
| Math | Claude Opus 4.5 ThinkingNot measured | MarginNo overlap | MiniMax M385.7 |
| Multimodal | Claude Opus 4.5 ThinkingNot measured | MarginNo overlap | MiniMax M364.9 |
Operational comparison
Runtime and commercial metrics are compared only when both models have a complete sourced value.
| Metric | Claude Opus 4.5 Thinking | MiniMax M3 | Comparison |
|---|---|---|---|
| Input / output priceUSD per 1M tokens | Claude Opus 4.5 ThinkingNot available | MiniMax M3$0.3 input / $1.2 output | A complete price comparison is not available. |
| Generation speedtokens per second | Claude Opus 4.5 ThinkingNot available | MiniMax M3Not available | A complete speed comparison is not available. |
| First-answer latencyseconds to first token | Claude Opus 4.5 ThinkingNot available | MiniMax M3Not available | A complete latency comparison is not available. |
| Context windowmaximum listed tokens | Claude Opus 4.5 Thinking200K | MiniMax M31M | MiniMax M3 lists the larger context window. |
Benchmark Deep Dive
Agentic16 benchmarks
| Benchmark | Claude Opus 4.5 Thinking | MiniMax M3 | Result |
|---|---|---|---|
| τ²-bench resultsSource | 89.5% | 88.9% | Claude Opus 4.5 Thinking leads |
| Terminal-Bench 2.0Source | — | 66% | Not comparable |
| BrowseCompSource | — | 83.5% | Not comparable |
| OSWorld-VerifiedSource | — | 70.1% | Not comparable |
| MCP AtlasSource | — | 74.2% | Not comparable |
| Claw-EvalSource | — | 74.5% | Not comparable |
| AA Agentic IndexSource | — | 35.4% | Not comparable |
| GDPval-AASource | — | 44.7% | Not comparable |
| GDPval-AASource | — | 1395 | Not comparable |
| GDPval rubricsSource | — | 74.7% | Not comparable |
| BankerToolBenchSource | — | 76.1% | Not comparable |
| ResearchClawBenchSource | — | 19.8% | Not comparable |
| OSWorld 2.0Source | — | 4.6% | Not comparable |
| AA BriefcaseSource | — | 1110 | Not comparable |
| AA EnterpriseOps-GymSource | — | 32.1% | Not comparable |
| AA Harvey LABSource | — | 6.7% | Not comparable |
Coding12 benchmarks
| Benchmark | Claude Opus 4.5 Thinking | MiniMax M3 | Result |
|---|---|---|---|
| Vibe Code BenchSource | 20.63% | — | Not comparable |
| Terminal-Bench HardSource | 47.0% | 42.4% | Claude Opus 4.5 Thinking leads |
| AA-SciCodeSource | 49.5% | 45.4% | Claude Opus 4.5 Thinking leads |
| SWE-bench VerifiedSource | — | 80.5% | Not comparable |
| SWE-bench ProSource | — | 59% | Not comparable |
| Terminal-Bench 2.0Source | — | 66.0% | Not comparable |
| NL2RepoSource | — | 42.1% | Not comparable |
| AA Coding IndexSource | — | 58.6% | Not comparable |
| VIBE V2Source | — | 50.1% | Not comparable |
| SVG-BenchSource | — | 63.7% | Not comparable |
| KernelBench HardSource | — | 28.8% | Not comparable |
| AA Terminal-Bench 2.1Source | — | 65.2% | Not comparable |
Reasoning2 benchmarks
Knowledge8 benchmarks
| Benchmark | Claude Opus 4.5 Thinking | MiniMax M3 | Result |
|---|---|---|---|
| Artificial Analysis Intelligence IndexSource | 40.8% | 44.4% | MiniMax M3 leads |
| AA-GPQA DiamondSource | 86.6% | 92.9% | MiniMax M3 leads |
| AA-HLESource | 28.4% | 37.1% | MiniMax M3 leads |
| AA-Omniscience IndexSource | 13.3% | 1.4% | Claude Opus 4.5 Thinking leads |
| AA-Omniscience AccuracySource | 45.7% | 15.0% | Claude Opus 4.5 Thinking leads |
| AA-Omniscience Hallucination RateSource | 59.8% | 16.1% | MiniMax M3 leads |
| AA MMLU-ProSource | 89.5% | — | Not comparable |
| AA Openness IndexSource | — | 33.3% | Not comparable |
Math1 benchmarks
| Benchmark | Claude Opus 4.5 Thinking | MiniMax M3 | Result |
|---|---|---|---|
| USAMO 2026Source | — | 85.7% | Not comparable |
Multilingual1 benchmarks
| Benchmark | Claude Opus 4.5 Thinking | MiniMax M3 | Result |
|---|---|---|---|
| AA Global-MMLU-LiteSource | 91.3% | — | Not comparable |
Multimodal7 benchmarks
| Benchmark | Claude Opus 4.5 Thinking | MiniMax M3 | Result |
|---|---|---|---|
| AA-MMMU-ProSource | 74.0% | 78.6% | MiniMax M3 leads |
| Design Arena WebsiteSource | 1281 | 1294 | MiniMax M3 leads |
| OfficeQA ProSource | — | 45.1% | Not comparable |
| OmniDocBench 1.5Source | — | 91.6% | Not comparable |
| MMMU-ProSource | — | 78.1% | Not comparable |
| VideoMMMUSource | — | 84.6% | Not comparable |
| Video-MME (with subtitle)Source | — | 85.4% | Not comparable |
Inst. Following1 benchmarks
| Benchmark | Claude Opus 4.5 Thinking | MiniMax M3 | Result |
|---|---|---|---|
| AA-IFBenchSource | 58.0% | 82.9% | MiniMax M3 leads |
Frequently Asked Questions (3)
Can I compare Claude Opus 4.5 Thinking and MiniMax M3 on BenchLM yet?
Not fully yet. BenchLM is tracking both models, but the sourced benchmark breakdown for this comparison is still coming soon.
Why does this comparison show “coming soon”?
BenchLM only shows category winners and benchmark-level calls when we have sourced results that can be compared fairly. For these models, the public benchmark coverage is not complete enough yet.
What data is available for Claude Opus 4.5 Thinking and MiniMax M3 today?
MiniMax M3: $0.30 input / $1.20 output per 1M tokens Both model pages still include creator, context window, reasoning mode, and other metadata while benchmark coverage fills in.
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