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Claude Opus 5 vs MiniMax M3

Claude Opus 5 leads the LLM Stats Score 55.4 to 41.4. MiniMax M3 is 19.0x cheaper per token.

Anthropic · MiniMax · Updated for 2026

Which is better?

Claude Opus 5 leads the overall LLM Stats Score 55.4 to 41.4, ranking #3 overall.

In the 2 individual benchmarks reported for both models, Claude Opus 5 wins 2; this is a narrower head-to-head signal than the composite indexes.

On price, MiniMax M3 is roughly 19.0x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Claude Opus 5 also accepts a larger context window (1,000,000 input tokens), making it the stronger choice for long documents and large codebases.

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

Choose Claude Opus 5

  • overall performance matters — it scores 55.4 and ranks #3 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 2 of 2 exact shared results
  • you process long inputs — it offers a 1,000,000 token context window
  • you want the most recent training data — it shipped Jul 2026

Choose MiniMax M3

  • cost matters — it's about 19.0x cheaper per token
  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

Core performance indexes
55.4
#3
41.4
#49
54.3
#4
41.4
#45
42.3
#8
32.2
#37
39.9
#6
25.8
#45
Cost, coverage & limits
Benchmark wins
2 of 2
0 of 2
Input price
$5.00 / M
$0.30 / M
Output price
$25.00 / M
$1.20 / M
Context window
1,000,000
512,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

2 shared
Index
Claude Opus 5
MiniMax M3
37.6#5
25.3#42
27.8#20
21.1#53
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

13 reported for Claude Opus 5 · 35 for MiniMax M3

2 shared

Claude Opus 5 outperforms in 2 benchmarks (BrowseComp, FrontierCode 1.1), while MiniMax M3 is better at 0 benchmarks.

Claude Opus 5 significantly outperforms across most benchmarks.

Sat Sep 05 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

MiniMax M3 costs less

For input processing, Claude Opus 5 ($5.00/1M tokens) is 16.7x more expensive than MiniMax M3 ($0.30/1M tokens).

For output processing, Claude Opus 5 ($25.00/1M tokens) is 20.8x more expensive than MiniMax M3 ($1.20/1M tokens).

In conclusion, Claude Opus 5 is more expensive than MiniMax M3.*

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

Lowest available price from all providers
Sat Sep 05 2026 • llm-stats.com
Anthropic
Claude Opus 5
Input tokens$5.00
Output tokens$25.00
Best providerAnthropic
MiniMax
MiniMax M3
Input tokens$0.30
Output tokens$1.20
Best providerFireworks
Notice missing or incorrect data?Start an Issue

Context Window

Maximum input and output token capacity

Claude Opus 5 accepts 1,000,000 input tokens compared to MiniMax M3's 512,000 tokens. MiniMax M3 can generate longer responses up to 131,072 tokens, while Claude Opus 5 is limited to 128,000 tokens.

Anthropic
Claude Opus 5
Input1,000,000 tokens
Output128,000 tokens
MiniMax
MiniMax M3
Input512,000 tokens
Output131,072 tokens
Sat Sep 05 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Claude Opus 5 and MiniMax M3 support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

Claude Opus 5

Text
Images
Audio
Video

MiniMax M3

Text
Images
Audio
Video

License

Usage and distribution terms

Claude Opus 5 is licensed under a proprietary license, while MiniMax M3 uses MIT.

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

Claude Opus 5

Proprietary

Closed source

MiniMax M3

MIT

Open weights

Release Timeline

When each model was launched

Claude Opus 5 was released on 2026-07-24, while MiniMax M3 was released on 2026-06-01.

Claude Opus 5 is 2 months newer than MiniMax M3.

Claude Opus 5

Jul 24, 2026

1 months ago

1mo newer
MiniMax M3

Jun 1, 2026

3 months ago

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Provider Availability

Claude Opus 5 is available from Anthropic. MiniMax M3 is available from Fireworks, MiniMax, Novita, Together.

Claude Opus 5

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

MiniMax M3

fireworks logo
Fireworks
Input Price:Input: $0.30/1MOutput Price:Output: $1.20/1M
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
together logo
Together
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 and MiniMax M3 side-by-side, then vote on the output you prefer.

Claude Opus 5
✓ Preferred
MiniMax M3
Open in Playground

FAQ

Common questions about Claude Opus 5 vs MiniMax M3.

Which is better, Claude Opus 5 or MiniMax M3?

Claude Opus 5 leads the LLM Stats Score 55.4 to 41.4. Claude Opus 5 is made by Anthropic and MiniMax M3 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 compare to MiniMax M3 in benchmarks?

Claude Opus 5 scores BrowseComp: 90.8%, BioMysteryBench: 90.1%, OSWorld 2.0: 70.6%, DeepSWE 1.1: 68.8%, Humanity's Last Exam: 64.7%. MiniMax M3 scores OmniDocBench 1.5: 91.6%, SpreadSheetBench-v1: 89.3%, USAMO 2026: 85.7%, Video-MME: 85.4%, VideoMMMU: 84.6%.

Is Claude Opus 5 cheaper than MiniMax M3?

MiniMax M3 is 16.7x cheaper for input tokens. Claude Opus 5 costs $5.00/M input and $25.00/M output via anthropic. MiniMax M3 costs $0.30/M input and $1.20/M output via fireworks.

What are the context window sizes for Claude Opus 5 and MiniMax M3?

Claude Opus 5 supports 1.0M tokens and MiniMax M3 supports 512K 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 and MiniMax M3?

Key differences include LLM Stats Score (55.4 vs 41.4), context window (1.0M vs 512K), input pricing ($5.00 vs $0.30/M), licensing (Proprietary vs MIT). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Opus 5 and MiniMax M3?

Claude Opus 5 is developed by Anthropic and MiniMax M3 is developed by MiniMax.