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Claude Haiku 5.5 vs Gemini Diffusion

Claude Haiku 5.5 leads the LLM Stats Score 49.9 to 0.4.

Anthropic · Google · Updated for 2026

Which is better?

Claude Haiku 5.5 leads the overall LLM Stats Score 49.9 to 0.4, ranking #20 overall.

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

Choose Claude Haiku 5.5

  • overall performance matters — it scores 49.9 and ranks #20 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes
  • you want the most recent training data — it shipped Oct 2026

Choose Gemini Diffusion

  • you are already invested in the Google ecosystem

At a glance

The differences that matter most.

Claude Haiku 5.5
Anthropic
Gemini Diffusion
Google
Core performance indexes
LLM Stats Score
49.9
#20
0.4
#349
Reasoning
47.5
#25
0.4
#341
Coding
39.2
#15
2.5
#247
Cost, coverage & limits
Benchmark wins
—
—
Input price
$0.10 / M
— / M
Output price
$0.50 / M
— / M
Context window
1,000,000
—

Individual benchmarks

36 reported for Claude Haiku 5.5 · 10 for Gemini Diffusion

No common benchmarks found

Claude Haiku 5.5 and Gemini Diffusiondon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Human preference

Blind head-to-head votes and playground preference scores

Context Window

Maximum input and output token capacity

Only Claude Haiku 5.5 specifies input context (1,000,000 tokens). Only Claude Haiku 5.5 specifies output context (128,000 tokens).

Anthropic
Claude Haiku 5.5
Input1,000,000 tokens
Output128,000 tokens
Google
Gemini Diffusion
Input- tokens
Output- tokens
Thu Oct 22 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Claude Haiku 5.5 supports multimodal inputs, whereas Gemini Diffusion does not.

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

Claude Haiku 5.5

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 Haiku 5.5

Proprietary

Closed source

Gemini Diffusion

Proprietary

Closed source

Release Timeline

When each model was launched

Claude Haiku 5.5 was released on 2026-10-07, while Gemini Diffusion was released on 2025-05-20.

Claude Haiku 5.5 is 17 months newer than Gemini Diffusion.

Claude Haiku 5.5

Oct 7, 2026

1 weeks ago

1.4yr newer
Gemini Diffusion

May 20, 2025

1.4 years ago

Knowledge Cutoff

When training data ends

Claude Haiku 5.5 has a documented knowledge cutoff of 2026-06-01, while Gemini Diffusion's cutoff date is not specified.

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

Claude Haiku 5.5

Jun 2026

Gemini Diffusion

—

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against Claude Haiku 5.5 and Gemini Diffusion side-by-side, then vote on the output you prefer.

Claude Haiku 5.5
✓ Preferred
Gemini Diffusion
Open in Playground

FAQ

Common questions about Claude Haiku 5.5 vs Gemini Diffusion.

Which is better, Claude Haiku 5.5 or Gemini Diffusion?

Claude Haiku 5.5 leads the LLM Stats Score 49.9 to 0.4. Claude Haiku 5.5 is made by Anthropic and Gemini Diffusion is made by Google. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Claude Haiku 5.5 compare to Gemini Diffusion in benchmarks?

Claude Haiku 5.5 scores Global-MMLU: 87.8%, MILU: 87.6%, BenchCAD (with Python tool): 87.0%, Chartography: 86.2%, SWE-bench Multilingual: 83.7%. 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 Haiku 5.5 and Gemini Diffusion?

Claude Haiku 5.5 supports 1.0M 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 Haiku 5.5 and Gemini Diffusion?

Key differences include LLM Stats Score (49.9 vs 0.4), multimodal support (yes vs no). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Haiku 5.5 and Gemini Diffusion?

Claude Haiku 5.5 is developed by Anthropic and Gemini Diffusion is developed by Google.

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