The AI arena is free today

Open Superagent

Gemini 4 Carbon vs Gemini Diffusion

Gemini 4 Carbon leads the LLM Stats Score 59.0 to 0.2.

Google · Google · Updated for 2026

Which is better?

Gemini 4 Carbon leads the overall LLM Stats Score 59.0 to 0.2, ranking #2 overall.

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

Choose Gemini 4 Carbon

  • overall performance matters — it scores 59.0 and ranks #2 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.

Gemini 4 Carbon
Google
Gemini Diffusion
Google
Core performance indexes
LLM Stats Score
59.0
#2
0.2
#360
Reasoning
54.9
#5
0.2
#352
Coding
48.1
#3
2.5
#256
Cost, coverage & limits
Benchmark wins
—
—
Input price
— / M
— / M
Output price
— / M
— / M
Context window
—
—

Individual benchmarks

16 reported for Gemini 4 Carbon · 10 for Gemini Diffusion

No common benchmarks found

Gemini 4 Carbon 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

Input capabilities

Documented input modalities across available providers

Gemini 4 Carbon supports multimodal inputs, whereas Gemini Diffusion does not.

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

Gemini 4 Carbon

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 4 Carbon

Proprietary

Closed source

Gemini Diffusion

Proprietary

Closed source

Release Timeline

When each model was launched

Gemini 4 Carbon was released on 2026-10-28, while Gemini Diffusion was released on 2025-05-20.

Gemini 4 Carbon is 18 months newer than Gemini Diffusion.

Gemini 4 Carbon

Oct 28, 2026

2 days ago

1.4yr newer
Gemini Diffusion

May 20, 2025

1.4 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?

Judge for yourself.

Run your own prompts against Gemini 4 Carbon and Gemini Diffusion side-by-side, then vote on the output you prefer.

Gemini 4 Carbon
✓ Preferred
Gemini Diffusion
Open in Playground

FAQ

Common questions about Gemini 4 Carbon vs Gemini Diffusion.

Which is better, Gemini 4 Carbon or Gemini Diffusion?

Gemini 4 Carbon leads the LLM Stats Score 59.0 to 0.2. Gemini 4 Carbon 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 4 Carbon compare to Gemini Diffusion in benchmarks?

Gemini 4 Carbon scores Gray Swan IPI Benchmark: 100.0%, Vending-Bench 2: 100.0%, Graphwalks BFS >128k: 96.2%, WebDev Arena: 88.4%, SEC-bench Pro: 88.2%. Gemini Diffusion scores HumanEval: 89.6%, MBPP: 76.0%, Global-MMLU-Lite: 69.1%, LBPP (v2): 56.8%, BigCodeBench: 45.4%.

What are the main differences between Gemini 4 Carbon and Gemini Diffusion?

Key differences include LLM Stats Score (59.0 vs 0.2), multimodal support (yes vs no). See the full comparison above for benchmark-by-benchmark results.

Related comparisons