Model Comparison

Claude Opus 4 vs Gemini Diffusion

Claude Opus 4 significantly outperforms across most benchmarks.

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Performance Benchmarks

Comparative analysis across standard metrics

3 benchmarks

Claude Opus 4 outperforms in 3 benchmarks (AIME 2025, GPQA, SWE-Bench Verified), while Gemini Diffusion is better at 0 benchmarks.

Claude Opus 4 significantly outperforms across most benchmarks.

Mon May 25 2026 • llm-stats.com

Arena Performance

Human preference votes

Context Window

Maximum input and output token capacity

Only Claude Opus 4 specifies input context (200,000 tokens). Only Claude Opus 4 specifies output context (32,000 tokens).

Anthropic
Claude Opus 4
Input200,000 tokens
Output32,000 tokens
Google
Gemini Diffusion
Input- tokens
Output- tokens
Mon May 25 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Claude Opus 4 supports multimodal inputs, whereas Gemini Diffusion does not.

Claude Opus 4 can handle both text and other forms of data like images, making it suitable for multimodal applications.

Claude Opus 4

Text
Images
Audio
Video

Gemini Diffusion

Text
Images
Audio
Video

License

Usage and distribution terms

Both models are licensed under proprietary licenses.

Both models have usage restrictions defined by their respective organizations.

Claude Opus 4

Proprietary

Closed source

Gemini Diffusion

Proprietary

Closed source

Release Timeline

When each model was launched

Claude Opus 4 was released on 2025-05-22, while Gemini Diffusion was released on 2025-05-20.

Claude Opus 4 is 0 month newer than Gemini Diffusion.

Claude Opus 4

May 22, 2025

1.0 years ago

2d newer
Gemini Diffusion

May 20, 2025

1.0 years 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

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

Anthropic
Larger context window (200,000 tokens)
Supports multimodal inputs
Higher AIME 2025 score (75.5% vs 23.3%)
Higher GPQA score (79.6% vs 40.4%)
Higher SWE-Bench Verified score (72.5% vs 22.9%)
Google

No standout differentiators in the data we have for this pair.

AnthropicClaude Opus 4
GoogleGemini Diffusion
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Detailed Comparison

AI Model Comparison Table
Feature
Anthropic
Claude Opus 4
Google
Gemini Diffusion

FAQ

Common questions about Claude Opus 4 vs Gemini Diffusion.

Which is better, Claude Opus 4 or Gemini Diffusion?

Claude Opus 4 significantly outperforms across most benchmarks. Claude Opus 4 is made by Anthropic and Gemini Diffusion is made by Google. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Claude Opus 4 compare to Gemini Diffusion in benchmarks?

Claude Opus 4 scores MMMLU: 88.8%, TAU-bench Retail: 81.4%, GPQA: 79.6%, MMMU (validation): 76.5%, AIME 2025: 75.5%. Gemini Diffusion scores HumanEval: 89.6%, MBPP: 76.0%, Global-MMLU-Lite: 69.1%, LBPP (v2): 56.8%, BigCodeBench: 45.4%.

What are the context window sizes for Claude Opus 4 and Gemini Diffusion?

Claude Opus 4 supports 200K tokens and Gemini Diffusion supports an unknown number of 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 and Gemini Diffusion?

Key differences include multimodal support (yes vs no). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Opus 4 and Gemini Diffusion?

Claude Opus 4 is developed by Anthropic and Gemini Diffusion is developed by Google.