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Gemini 2.5 Pro vs Gemini Diffusion

Gemini 2.5 Pro leads the LLM Stats Score 27.8 to 0.9.

Google · Google · Updated for 2026

Which is better?

Gemini 2.5 Pro leads the overall LLM Stats Score 27.8 to 0.9, ranking #138 overall.

In the 4 individual benchmarks reported for both models, Gemini 2.5 Pro wins 4; this is a narrower head-to-head signal than the composite indexes.

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

Choose Gemini 2.5 Pro

  • overall performance matters — it scores 27.8 and ranks #138 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 4 of 4 exact shared results

Choose Gemini Diffusion

  • you are already invested in the Google ecosystem

At a glance

The differences that matter most.

Core performance indexes
27.8
#138
0.9
#323
27.3
#138
0.9
#315
12.8
#141
2.8
#221
Cost, coverage & limits
Benchmark wins
4 of 4
0 of 4
Input price
$1.25 / M
— / M
Output price
$10.00 / M
— / M
Context window
1,000,000

Individual benchmarks

16 reported for Gemini 2.5 Pro · 10 for Gemini Diffusion

4 shared

Gemini 2.5 Pro outperforms in 4 benchmarks (AIME 2025, Global-MMLU-Lite, GPQA, SWE-Bench Verified), while Gemini Diffusion is better at 0 benchmarks.

Gemini 2.5 Pro significantly outperforms across most benchmarks.

Tue Sep 15 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Context Window

Maximum input and output token capacity

Only Gemini 2.5 Pro specifies input context (1,000,000 tokens). Only Gemini 2.5 Pro specifies output context (1,000,000 tokens).

Google
Gemini 2.5 Pro
Input1,000,000 tokens
Output1,000,000 tokens
Google
Gemini Diffusion
Input- tokens
Output- tokens
Tue Sep 15 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Gemini 2.5 Pro supports multimodal inputs, whereas Gemini Diffusion does not.

Gemini 2.5 Pro can handle both text and other forms of data like images, making it suitable for multimodal applications.

Gemini 2.5 Pro

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.

Gemini 2.5 Pro

Proprietary

Closed source

Gemini Diffusion

Proprietary

Closed source

Release Timeline

When each model was launched

Both models were released on 2025-05-20.

They likely represent similar generations of model development.

Gemini 2.5 Pro

May 20, 2025

1.3 years ago

Gemini Diffusion

May 20, 2025

1.3 years ago

Knowledge Cutoff

When training data ends

Gemini 2.5 Pro has a documented knowledge cutoff of 2025-01-31, while Gemini Diffusion's cutoff date is not specified.

We can confirm Gemini 2.5 Pro's training data extends to 2025-01-31, but cannot make a direct comparison without Gemini Diffusion's cutoff date.

Gemini 2.5 Pro

Jan 2025

Gemini Diffusion

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion

Judge for yourself.

Run your own prompts against Gemini 2.5 Pro and Gemini Diffusion side-by-side, then vote on the output you prefer.

Gemini 2.5 Pro
✓ Preferred
Gemini Diffusion
Open in Playground

FAQ

Common questions about Gemini 2.5 Pro vs Gemini Diffusion.

Which is better, Gemini 2.5 Pro or Gemini Diffusion?

Gemini 2.5 Pro leads the LLM Stats Score 27.8 to 0.9. Gemini 2.5 Pro is made by Google 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 Gemini 2.5 Pro compare to Gemini Diffusion in benchmarks?

Gemini 2.5 Pro scores MRCR: 93.0%, AIME 2024: 92.0%, Global-MMLU-Lite: 88.6%, Video-MME: 84.8%, AIME 2025: 83.0%. 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 Gemini 2.5 Pro and Gemini Diffusion?

Gemini 2.5 Pro 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 Gemini 2.5 Pro and Gemini Diffusion?

Key differences include LLM Stats Score (27.8 vs 0.9), multimodal support (yes vs no). See the full comparison above for benchmark-by-benchmark results.