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Gemini 4 Carbon vs GPT-5

Gemini 4 Carbon leads the LLM Stats Score 59.0 to 33.2.

Google · OpenAI · Updated for 2026

Which is better?

Gemini 4 Carbon leads the overall LLM Stats Score 59.0 to 33.2, 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 GPT-5

  • you want predictable pricing at $1.25/M input and $10.00/M output

At a glance

The differences that matter most.

Core performance indexes
59.0
#2
33.2
#125
54.9
#5
33.6
#115
48.1
#3
26.3
#87
46.0
#2
7.9
#164
Cost, coverage & limits
Benchmark wins
—
—
Input price
— / M
$1.25 / M
Output price
— / M
$10.00 / M
Context window
—
400,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

3 shared
Index
Gemini 4 Carbon
GPT-5
36.0#12
20.7#86
35.8#3
15.8#108
38.0#6
27.1#52
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

16 reported for Gemini 4 Carbon · 34 for GPT-5

No common benchmarks found

Gemini 4 Carbon and GPT-5don'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 specifies input context (400,000 tokens). Only GPT-5 specifies output context (128,000 tokens).

Google
Gemini 4 Carbon
Input- tokens
Output- tokens
OpenAI
GPT-5
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 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

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

Proprietary

Closed source

Release Timeline

When each model was launched

Gemini 4 Carbon was released on 2026-10-28, while GPT-5 was released on 2025-08-07.

Gemini 4 Carbon is 15 months newer than GPT-5.

Gemini 4 Carbon

Oct 28, 2026

-3 days ago

1.2yr newer
GPT-5

Aug 7, 2025

1.2 years ago

Knowledge Cutoff

When training data ends

GPT-5 has a documented knowledge cutoff of 2024-09-30, while Gemini 4 Carbon's cutoff date is not specified.

We can confirm GPT-5's training data extends to 2024-09-30, but cannot make a direct comparison without Gemini 4 Carbon's cutoff date.

Gemini 4 Carbon

—

GPT-5

Sep 2024

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against Gemini 4 Carbon and GPT-5 side-by-side, then vote on the output you prefer.

Gemini 4 Carbon
✓ Preferred
GPT-5
Open in Playground

FAQ

Common questions about Gemini 4 Carbon vs GPT-5.

Which is better, Gemini 4 Carbon or GPT-5?

Gemini 4 Carbon leads the LLM Stats Score 59.0 to 33.2. Gemini 4 Carbon is made by Google and GPT-5 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 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 scores SWE-Lancer (IC-Diamond subset): 100.0%, COLLIE: 99.0%, Tau2 Telecom: 96.7%, OpenAI-MRCR: 2 needle 128k: 95.2%, AIME 2025: 94.6%.

What are the context window sizes for Gemini 4 Carbon and GPT-5?

Gemini 4 Carbon supports an unknown number of tokens and GPT-5 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?

Key differences include LLM Stats Score (59.0 vs 33.2). See the full comparison above for benchmark-by-benchmark results.

Who makes Gemini 4 Carbon and GPT-5?

Gemini 4 Carbon is developed by Google and GPT-5 is developed by OpenAI.