Model Comparison

Claude Opus 4.5 vs MiniMax M2Which is better in 2026?

Claude Opus 4.5 significantly outperforms across most benchmarks. MiniMax M2 is 19.0x cheaper per token.

Verdict: Claude Opus 4.5 vs MiniMax M2 — which is better?

Claude Opus 4.5 (by Anthropic) and MiniMax M2 (by MiniMax) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.

Claude Opus 4.5 outperforms in 3 benchmarks (GPQA, SWE-Bench Verified, Tau2 Telecom), while MiniMax M2 is better at 0 benchmarks. Claude Opus 4.5 significantly outperforms across most benchmarks.

On price, MiniMax M2 is roughly 19.0x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

MiniMax M2 also accepts a larger context window (1,000,000 input tokens), making it the stronger choice for long documents and large codebases.

Choose Claude Opus 4.5 if…

  • you want the strongest raw capability — it leads on 3 of 3 shared benchmarks
  • you want the most recent training data — it shipped Nov 2025

Choose MiniMax M2 if…

  • cost matters — it's about 19.0x cheaper per token
  • you process long inputs — it offers a 1,000,000 token context window
  • you need open weights you can self-host or fine-tune
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Performance Benchmarks

Comparative analysis across standard metrics

3 benchmarks

Claude Opus 4.5 outperforms in 3 benchmarks (GPQA, SWE-Bench Verified, Tau2 Telecom), while MiniMax M2 is better at 0 benchmarks.

Claude Opus 4.5 significantly outperforms across most benchmarks.

Sat Jun 06 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

MiniMax M2 costs less

For input processing, Claude Opus 4.5 ($5.00/1M tokens) is 16.7x more expensive than MiniMax M2 ($0.30/1M tokens).

For output processing, Claude Opus 4.5 ($25.00/1M tokens) is 20.8x more expensive than MiniMax M2 ($1.20/1M tokens).

In conclusion, Claude Opus 4.5 is more expensive than MiniMax M2.*

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

Lowest available price from all providers
Sat Jun 06 2026 • llm-stats.com
Anthropic
Claude Opus 4.5
Input tokens$5.00
Output tokens$25.00
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

MiniMax M2 accepts 1,000,000 input tokens compared to Claude Opus 4.5's 200,000 tokens. MiniMax M2 can generate longer responses up to 1,000,000 tokens, while Claude Opus 4.5 is limited to 64,000 tokens.

Anthropic
Claude Opus 4.5
Input200,000 tokens
Output64,000 tokens
MiniMax
MiniMax M2
Input1,000,000 tokens
Output1,000,000 tokens
Sat Jun 06 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Claude Opus 4.5 supports multimodal inputs, whereas MiniMax M2 does not.

Claude Opus 4.5 can handle both text and other forms of data like images, making it suitable for multimodal applications.

Claude Opus 4.5

Text
Images
Audio
Video

MiniMax M2

Text
Images
Audio
Video

License

Usage and distribution terms

Claude Opus 4.5 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 4.5

Proprietary

Closed source

MiniMax M2

MIT

Open weights

Release Timeline

When each model was launched

Claude Opus 4.5 was released on 2025-11-24, while MiniMax M2 was released on 2025-10-27.

Claude Opus 4.5 is 1 month newer than MiniMax M2.

Claude Opus 4.5

Nov 24, 2025

6 months ago

4w newer
MiniMax M2

Oct 27, 2025

7 months ago

Knowledge Cutoff

When training data ends

Claude Opus 4.5 has a documented knowledge cutoff of 2025-03-31, while MiniMax M2's cutoff date is not specified.

We can confirm Claude Opus 4.5's training data extends to 2025-03-31, but cannot make a direct comparison without MiniMax M2's cutoff date.

Claude Opus 4.5

Mar 2025

MiniMax M2

—

Provider Availability

Claude Opus 4.5 is available from Anthropic. MiniMax M2 is available from MiniMax, Novita.

Claude Opus 4.5

anthropic logo
Anthropic
Input Price:Input: $5.00/1MOutput Price:Output: $25.00/1M

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→

Key Takeaways

Anthropic
Supports multimodal inputs
Higher GPQA score (87.0% vs 78.0%)
Higher SWE-Bench Verified score (80.9% vs 69.4%)
Higher Tau2 Telecom score (98.2% vs 87.0%)
MiniMax
Larger context window (1,000,000 tokens)
Less expensive input tokens
Less expensive output tokens
Has open weights

Detailed Comparison

AI Model Comparison Table
Feature
Anthropic
Claude Opus 4.5
MiniMax
MiniMax M2

FAQ

Common questions about Claude Opus 4.5 vs MiniMax M2.

Which is better, Claude Opus 4.5 or MiniMax M2?

Claude Opus 4.5 significantly outperforms across most benchmarks. Claude Opus 4.5 is made by Anthropic and MiniMax M2 is made by MiniMax. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Claude Opus 4.5 compare to MiniMax M2 in benchmarks?

Claude Opus 4.5 scores Tau2 Telecom: 98.2%, MMMLU: 90.8%, Tau2 Retail: 88.9%, GPQA: 87.0%, SWE-Bench Verified: 80.9%. MiniMax M2 scores Tau2 Telecom: 87.0%, LiveCodeBench: 83.0%, MMLU-Pro: 82.0%, AIME 2025: 78.0%, GPQA: 78.0%.

Is Claude Opus 4.5 cheaper than MiniMax M2?

MiniMax M2 is 16.7x cheaper for input tokens. Claude Opus 4.5 costs $5.00/M input and $25.00/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 4.5 and MiniMax M2?

Claude Opus 4.5 supports 200K 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 4.5 and MiniMax M2?

Key differences include context window (200K vs 1.0M), input pricing ($5.00 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 4.5 and MiniMax M2?

Claude Opus 4.5 is developed by Anthropic and MiniMax M2 is developed by MiniMax.

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