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Claude Opus 5.5 vs MiniMax M2

Claude Opus 5.5 leads the LLM Stats Score 59.8 to 26.8. MiniMax M2 is 15.2x cheaper per token.

Anthropic · MiniMax · Updated for 2026

Which is better?

Claude Opus 5.5 leads the overall LLM Stats Score 59.8 to 26.8, ranking #1 overall.

In the 1 individual benchmarks reported for both models, Claude Opus 5.5 wins 1; this is a narrower head-to-head signal than the composite indexes.

On price, MiniMax M2 is roughly 15.2x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose Claude Opus 5.5

  • overall performance matters — it scores 59.8 and ranks #1 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 1 of 1 exact shared results
  • you want the most recent training data — it shipped Sep 2026

Choose MiniMax M2

  • cost matters — it's about 15.2x cheaper per token
  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

Claude Opus 5.5
Anthropic
MiniMax M2
MiniMax
Core performance indexes
LLM Stats Score
59.8
#1
26.8
#150
Reasoning
57.9
#1
26.5
#150
Coding
51.8
#1
18.0
#117
Agents
44.6
#2
9.4
#128
Cost, coverage & limits
Benchmark wins
1 of 1
0 of 1
Input price
$4.00 / M
$0.30 / M
Output price
$20.00 / M
$1.20 / M
Context window
1,000,000
1,000,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

2 shared
Index
Claude Opus 5.5
MiniMax M2
Math
42.5#5
19.7#163
Tool use
32.9#2
9.8#131
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

31 reported for Claude Opus 5.5 · 16 for MiniMax M2

1 shared

Claude Opus 5.5 outperforms in 1 benchmarks (SWE-bench Multilingual), while MiniMax M2 is better at 0 benchmarks.

Claude Opus 5.5 significantly outperforms across most benchmarks.

Tue Sep 22 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

MiniMax M2 costs less

For input processing, Claude Opus 5.5 ($4.00/1M tokens) is 13.3x more expensive than MiniMax M2 ($0.30/1M tokens).

For output processing, Claude Opus 5.5 ($20.00/1M tokens) is 16.7x more expensive than MiniMax M2 ($1.20/1M tokens).

In conclusion, Claude Opus 5.5 is more expensive than MiniMax M2.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Tue Sep 22 2026 • llm-stats.com
Anthropic
Claude Opus 5.5
Input tokens$4.00
Output tokens$20.00
Best providerAnthropic
MiniMax
MiniMax M2
Input tokens$0.30
Output tokens$1.20
Best providerMiniMax
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Both models have the same input context window of 1,000,000 tokens. MiniMax M2 can generate longer responses up to 1,000,000 tokens, while Claude Opus 5.5 is limited to 128,000 tokens.

Anthropic
Claude Opus 5.5
Input1,000,000 tokens
Output128,000 tokens
MiniMax
MiniMax M2
Input1,000,000 tokens
Output1,000,000 tokens
Tue Sep 22 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Claude Opus 5.5 supports multimodal inputs, whereas MiniMax M2 does not.

Claude Opus 5.5 can handle both text and other forms of data like images, making it suitable for multimodal applications.

Claude Opus 5.5

Text
Images
Audio
Video

MiniMax M2

Text
Images
Audio
Video

License

Usage and distribution terms

Claude Opus 5.5 is licensed under a proprietary license, while MiniMax M2 uses MIT.

License differences may affect how you can use these models in commercial or open-source projects.

Claude Opus 5.5

Proprietary

Closed source

MiniMax M2

MIT

Open weights

Release Timeline

When each model was launched

Claude Opus 5.5 was released on 2026-09-22, while MiniMax M2 was released on 2025-10-27.

Claude Opus 5.5 is 11 months newer than MiniMax M2.

Claude Opus 5.5

Sep 22, 2026

0 days ago

11mo newer
MiniMax M2

Oct 27, 2025

11 months ago

Knowledge Cutoff

When training data ends

Claude Opus 5.5 has a documented knowledge cutoff of 2026-06-01, while MiniMax M2's cutoff date is not specified.

We can confirm Claude Opus 5.5's training data extends to 2026-06-01, but cannot make a direct comparison without MiniMax M2's cutoff date.

Claude Opus 5.5

Jun 2026

MiniMax M2

—

Provider Availability

Claude Opus 5.5 is available from Anthropic. MiniMax M2 is available from MiniMax, Novita.

Claude Opus 5.5

anthropic logo
Anthropic
Input Price:Input: $4.00/1MOutput Price:Output: $20.00/1M

MiniMax M2

minimax logo
MiniMax
Input Price:Input: $0.30/1MOutput Price:Output: $1.20/1M
novita logo
Novita
Input Price:Input: $0.30/1MOutput Price:Output: $1.20/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

Run your own prompts against Claude Opus 5.5 and MiniMax M2 side-by-side, then vote on the output you prefer.

Claude Opus 5.5
✓ Preferred
MiniMax M2
Open in Playground

FAQ

Common questions about Claude Opus 5.5 vs MiniMax M2.

Which is better, Claude Opus 5.5 or MiniMax M2?

Claude Opus 5.5 leads the LLM Stats Score 59.8 to 26.8. Claude Opus 5.5 is made by Anthropic and MiniMax M2 is made by MiniMax. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Claude Opus 5.5 compare to MiniMax M2 in benchmarks?

Claude Opus 5.5 scores BenchCAD (with Python tool): 96.2%, Global-MMLU: 94.3%, SWE-bench Multilingual: 93.9%, MILU: 93.1%, ArXivMath: 91.2%. MiniMax M2 scores Tau2 Telecom: 87.0%, LiveCodeBench: 83.0%, MMLU-Pro: 82.0%, AIME 2025: 78.0%, GPQA: 78.0%.

Is Claude Opus 5.5 cheaper than MiniMax M2?

MiniMax M2 is 13.3x cheaper for input tokens. Claude Opus 5.5 costs $4.00/M input and $20.00/M output via anthropic. MiniMax M2 costs $0.30/M input and $1.20/M output via minimax.

What are the context window sizes for Claude Opus 5.5 and MiniMax M2?

Claude Opus 5.5 supports 1.0M tokens and MiniMax M2 supports 1.0M tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Claude Opus 5.5 and MiniMax M2?

Key differences include LLM Stats Score (59.8 vs 26.8), input pricing ($4.00 vs $0.30/M), multimodal support (yes vs no), licensing (Proprietary vs MIT). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Opus 5.5 and MiniMax M2?

Claude Opus 5.5 is developed by Anthropic and MiniMax M2 is developed by MiniMax.

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