Model comparison

Claude Opus 4.6 vs MiniMax-M2.5

Claude Opus 4.6 is the stronger model overall, scoring 58.2 to 38.3 on the Noometry Index. MiniMax-M2.5 costs 19× less per token, which makes it the better buy when Claude Opus 4.6's lead doesn't matter for your workload.

Last verified . 33 shared benchmarks.

Claude Opus 4.6 Anthropic

58.2

Rank #20 Confirmed

MiniMax-M2.5 MiniMax

38.3

Rank #188 Confirmed

Summary

  • They share 33 benchmarks with published results for both. Claude Opus 4.6 scores higher in 9 categories and MiniMax-M2.5 in 0 categories; 9 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Claude Opus 4.6 leads 57.8 to 17.5.
  • The biggest single-benchmark swing is NYT Connections (extended): 92.1% for Claude Opus 4.6 and 16.8% for MiniMax-M2.5.
  • MiniMax-M2.5 is cheaper at $0.30 / $1.20 per million input/output tokens, against $5 / $25 for Claude Opus 4.6.
  • Claude Opus 4.6 accepts more context: 1M tokens versus 205K.
  • MiniMax-M2.5 has downloadable open weights; the other is API-only.

Side by side

Claude Opus 4.6 and MiniMax-M2.5 specifications
Claude Opus 4.6MiniMax-M2.5
ProviderAnthropicMiniMax
Noometry Index58.238.3
Released2026-02-042026-02-12
WeightsProprietaryOpen
Context window1M205K
Max output128K131K
Input $ / M tokens$5$0.30
Output $ / M tokens$25$1.20
Results tracked6833

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Category by category

Coding Claude Opus 4.6 leads

Claude Opus 4.6: 57.2 (#20), MiniMax-M2.5: 48.1 (#58)

Coding benchmarks
BenchmarkClaude Opus 4.6MiniMax-M2.5
SWE-bench Verified (bash only)75.6%75.8%
LMArena WebDev15471387
SWE-bench Multilingual72%68.3%
LMArena Coding15361381
ALE-Bench996.5618.17
SWE-bench Verified78.7%—
FrontierCode26.6%—
GSO41.2%—
WeirdML78%—
AlgoTune1.47—

Agentic & Tool Use Claude Opus 4.6 leads

Claude Opus 4.6: 51.1 (#4), MiniMax-M2.5: 30.4 (#77)

Agentic & Tool Use benchmarks
BenchmarkClaude Opus 4.6MiniMax-M2.5
Terminal-Bench79.8%42.7%
Vending-Bench 28,018-23.16
APEX-Agents46.3%—
Remote Labor Index4.2%—
τ²-bench Banking27.3%—
Cybench93%—
DeepResearch Bench55.3%—
GBAEval44.1%—
LMArena Search1253—
METR Time Horizons78.9%—

Reasoning Claude Opus 4.6 leads

Claude Opus 4.6: 57.8 (#23), MiniMax-M2.5: 17.5 (#292)

Reasoning benchmarks
BenchmarkClaude Opus 4.6MiniMax-M2.5
ARC-AGI-269.2%4.9%
Kagi LLM Benchmark83.6%55.2%
NYT Connections (extended)92.1%16.8%
ARC-AGI-194%63.7%
LMArena Hard Prompts15271372
Epoch Capabilities Index155.24146.68
SimpleBench67.6%—
Chess Puzzles17%—
EnigmaEval7.6%—
Thematic Generalization80.6%—
EBR-Bench12.7%—
Mystery Game Puzzles25%—
DTBench91.2%—
LMCA55.8%—
ForecastBench60—

Math Claude Opus 4.6 leads

Claude Opus 4.6: 63.0 (#31), MiniMax-M2.5: 26.9 (#253)

Knowledge Claude Opus 4.6 leads

Claude Opus 4.6: 61.9 (#26), MiniMax-M2.5: 39.2 (#135)

Knowledge benchmarks
BenchmarkClaude Opus 4.6MiniMax-M2.5
Vectara Hallucination Rate12.2%9.1%
LMArena Expert15461379
GPQA Diamond90.5%—
Humanity's Last Exam34.4%—
SimpleQA Verified47%—

Multimodal Not comparable

Claude Opus 4.6: 37.3 (#74), MiniMax-M2.5: —

Multimodal benchmarks
BenchmarkClaude Opus 4.6MiniMax-M2.5
LMArena Vision1316—
Furniture Assembly28.3%—
LMArena Document1507—

Multilingual Claude Opus 4.6 leads

Claude Opus 4.6: 57.9 (#6), MiniMax-M2.5: 47.1 (#152)

Multilingual benchmarks
BenchmarkClaude Opus 4.6MiniMax-M2.5
LMArena Non-English14891338
LMArena Chinese15511393
LMArena French15131362
LMArena German15021362
LMArena Japanese14841171
LMArena Korean14641232
LMArena Russian14971358
LMArena Spanish15101354

Instruction Following Claude Opus 4.6 leads

Claude Opus 4.6: 79.5 (#4), MiniMax-M2.5: 71.5 (#148)

Instruction Following benchmarks
BenchmarkClaude Opus 4.6MiniMax-M2.5
LMArena Instruction Following15231353

Long Context Claude Opus 4.6 leads

Claude Opus 4.6: 48.1 (#13), MiniMax-M2.5: 37.5 (#216)

Long Context benchmarks
BenchmarkClaude Opus 4.6MiniMax-M2.5
CL-bench20.7%11.4%
CL-bench Life17%6.3%
LMArena Longer Query15201366

Writing & Preference Claude Opus 4.6 leads

Claude Opus 4.6: 73.5 (#10), MiniMax-M2.5: 53.9 (#153)

Writing & Preference benchmarks
BenchmarkClaude Opus 4.6MiniMax-M2.5
LMArena Text15031359
LMArena Creative Writing15051331
EQ-Bench Creative Writing18091361
LMArena Multi-Turn15131364
EQ-Bench 41223—

Frequently asked questions

Is Claude Opus 4.6 better than MiniMax-M2.5?

Claude Opus 4.6 is the stronger model overall, scoring 58.2 to 38.3 on the Noometry Index. MiniMax-M2.5 costs 19× less per token, which makes it the better buy when Claude Opus 4.6's lead doesn't matter for your workload.

Which is cheaper, Claude Opus 4.6 or MiniMax-M2.5?

MiniMax-M2.5 is cheaper. It lists at $0.30 per million input tokens and $1.20 per million output tokens; Claude Opus 4.6 lists at $5 and $25.

Is Claude Opus 4.6 or MiniMax-M2.5 better for coding?

Claude Opus 4.6 scores higher on coding benchmarks: 57.2 versus 48.1 in the Noometry coding category.

Which has the bigger context window?

Claude Opus 4.6 does, with 1M tokens against 205K.

How many benchmarks do Claude Opus 4.6 and MiniMax-M2.5 share?

33 benchmarks have published results for both models. Claude Opus 4.6 has 68 scored results on Noometry and MiniMax-M2.5 has 33.

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