Model Comparison

Claude 3.5 Haiku vs Gemini DiffusionWhich is better in 2026?

Claude 3.5 Haiku shows notably better performance in the majority of benchmarks.

Verdict: Claude 3.5 Haiku vs Gemini Diffusion — which is better?

Claude 3.5 Haiku (by Anthropic) and Gemini Diffusion (by Google) 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 3.5 Haiku outperforms in 2 benchmarks (GPQA, SWE-Bench Verified), while Gemini Diffusion is better at 1 benchmark (HumanEval). Claude 3.5 Haiku shows notably better performance in the majority of benchmarks.

Choose Claude 3.5 Haiku if…

  • you want the strongest raw capability — it leads on 2 of 3 shared benchmarks

Choose Gemini Diffusion if…

  • you want the most recent training data — it shipped May 2025
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Performance Benchmarks

Comparative analysis across standard metrics

3 benchmarks

Claude 3.5 Haiku outperforms in 2 benchmarks (GPQA, SWE-Bench Verified), while Gemini Diffusion is better at 1 benchmark (HumanEval).

Claude 3.5 Haiku shows notably better performance in the majority of benchmarks.

Sat Jun 13 2026 • llm-stats.com

Arena Performance

Human preference votes

Context Window

Maximum input and output token capacity

Only Claude 3.5 Haiku specifies input context (200,000 tokens). Only Claude 3.5 Haiku specifies output context (200,000 tokens).

Anthropic
Claude 3.5 Haiku
Input200,000 tokens
Output200,000 tokens
Google
Gemini Diffusion
Input- tokens
Output- tokens
Sat Jun 13 2026 • llm-stats.com

License

Usage and distribution terms

Both models are licensed under proprietary licenses.

Both models have usage restrictions defined by their respective organizations.

Claude 3.5 Haiku

Proprietary

Closed source

Gemini Diffusion

Proprietary

Closed source

Release Timeline

When each model was launched

Claude 3.5 Haiku was released on 2024-10-22, while Gemini Diffusion was released on 2025-05-20.

Gemini Diffusion is 7 months newer than Claude 3.5 Haiku.

Claude 3.5 Haiku

Oct 22, 2024

1.6 years ago

Gemini Diffusion

May 20, 2025

1.1 years ago

7mo newer

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

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Key Takeaways

Anthropic
Larger context window (200,000 tokens)
Higher GPQA score (41.6% vs 40.4%)
Higher SWE-Bench Verified score (40.6% vs 22.9%)
Google
Higher HumanEval score (89.6% vs 88.1%)

Detailed Comparison

AI Model Comparison Table
Feature
Anthropic
Claude 3.5 Haiku
Google
Gemini Diffusion

FAQ

Common questions about Claude 3.5 Haiku vs Gemini Diffusion.

Which is better, Claude 3.5 Haiku or Gemini Diffusion?

Claude 3.5 Haiku shows notably better performance in the majority of benchmarks. Claude 3.5 Haiku 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 3.5 Haiku compare to Gemini Diffusion in benchmarks?

Claude 3.5 Haiku scores HumanEval: 88.1%, MGSM: 85.6%, DROP: 83.1%, MATH: 69.4%, MMLU-Pro: 65.0%. 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 3.5 Haiku and Gemini Diffusion?

Claude 3.5 Haiku 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.

Who makes Claude 3.5 Haiku and Gemini Diffusion?

Claude 3.5 Haiku is developed by Anthropic and Gemini Diffusion is developed by Google.

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