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Gemini 4 Carbon vs GPT-5.2

Gemini 4 Carbon leads the LLM Stats Score 59.0 to 40.7.

Google · OpenAI · Updated for 2026

Which is better?

Gemini 4 Carbon leads the overall LLM Stats Score 59.0 to 40.7, 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 GPT-5.2

  • you want predictable pricing at $1.75/M input and $14.00/M output

At a glance

The differences that matter most.

Gemini 4 Carbon
Google
GPT-5.2
OpenAI
Core performance indexes
LLM Stats Score
59.0
#2
40.7
#74
Reasoning
54.9
#5
40.1
#71
Coding
48.1
#3
23.4
#97
Agents
46.0
#2
14.4
#119
Cost, coverage & limits
Benchmark wins
—
—
Input price
— / M
$1.75 / M
Output price
— / M
$14.00 / M
Context window
—
400,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

3 shared
Index
Gemini 4 Carbon
GPT-5.2
Vision
36.0#12
28.0#47
Tool use
35.8#3
17.9#90
Multimodal
38.0#6
30.7#38
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

16 reported for Gemini 4 Carbon · 24 for GPT-5.2

No common benchmarks found

Gemini 4 Carbon and GPT-5.2don'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 GPT-5.2 specifies input context (400,000 tokens). Only GPT-5.2 specifies output context (128,000 tokens).

Google
Gemini 4 Carbon
Input- tokens
Output- tokens
OpenAI
GPT-5.2
Input400,000 tokens
Output128,000 tokens
Fri Oct 30 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Gemini 4 Carbon and GPT-5.2 support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

Gemini 4 Carbon

Text
Images
Audio
Video

GPT-5.2

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

GPT-5.2

Proprietary

Closed source

Release Timeline

When each model was launched

Gemini 4 Carbon was released on 2026-10-28, while GPT-5.2 was released on 2025-12-11.

Gemini 4 Carbon is 11 months newer than GPT-5.2.

Gemini 4 Carbon

Oct 28, 2026

1 days ago

10mo newer
GPT-5.2

Dec 11, 2025

10 months ago

Knowledge Cutoff

When training data ends

GPT-5.2 has a documented knowledge cutoff of 2025-08-25, while Gemini 4 Carbon's cutoff date is not specified.

We can confirm GPT-5.2's training data extends to 2025-08-25, but cannot make a direct comparison without Gemini 4 Carbon's cutoff date.

Gemini 4 Carbon

—

GPT-5.2

Aug 2025

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against Gemini 4 Carbon and GPT-5.2 side-by-side, then vote on the output you prefer.

Gemini 4 Carbon
✓ Preferred
GPT-5.2
Open in Playground

FAQ

Common questions about Gemini 4 Carbon vs GPT-5.2.

Which is better, Gemini 4 Carbon or GPT-5.2?

Gemini 4 Carbon leads the LLM Stats Score 59.0 to 40.7. Gemini 4 Carbon is made by Google and GPT-5.2 is made by OpenAI. 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 GPT-5.2 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%. GPT-5.2 scores AIME 2025: 100.0%, HMMT 2025: 99.4%, Tau2 Telecom: 98.7%, Graphwalks BFS <128k: 94.0%, GPQA: 92.4%.

What are the context window sizes for Gemini 4 Carbon and GPT-5.2?

Gemini 4 Carbon supports an unknown number of tokens and GPT-5.2 supports 400K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Gemini 4 Carbon and GPT-5.2?

Key differences include LLM Stats Score (59.0 vs 40.7). See the full comparison above for benchmark-by-benchmark results.

Who makes Gemini 4 Carbon and GPT-5.2?

Gemini 4 Carbon is developed by Google and GPT-5.2 is developed by OpenAI.

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