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Gemini 4 Carbon vs GPT-5 mini

Gemini 4 Carbon leads the LLM Stats Score 58.8 to 26.8.

Google · OpenAI · Updated for 2026

Which is better?

Gemini 4 Carbon leads the overall LLM Stats Score 58.8 to 26.8, 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 58.8 and ranks #2 on LLM Stats
  • your work emphasizes reasoning — it leads those capability indexes
  • you want the most recent training data — it shipped Oct 2026

Choose GPT-5 mini

  • you want predictable pricing at $0.25/M input and $2.00/M output

At a glance

The differences that matter most.

Gemini 4 Carbon
Google
GPT-5 mini
OpenAI
Core performance indexes
LLM Stats Score
58.8
#2
26.8
#178
Reasoning
54.4
#5
26.1
#179
Cost, coverage & limits
Benchmark wins
—
—
Input price
— / M
$0.25 / M
Output price
— / M
$2.00 / M
Context window
—
400,000

Individual benchmarks

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

No common benchmarks found

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

Google
Gemini 4 Carbon
Input- tokens
Output- tokens
OpenAI
GPT-5 mini
Input400,000 tokens
Output128,000 tokens
Tue Nov 03 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Gemini 4 Carbon and GPT-5 mini 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 mini

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 mini

Proprietary

Closed source

Release Timeline

When each model was launched

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

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

Gemini 4 Carbon

Oct 28, 2026

3 days ago

1.2yr newer
GPT-5 mini

Aug 7, 2025

1.2 years ago

Knowledge Cutoff

When training data ends

GPT-5 mini has a documented knowledge cutoff of 2024-05-30, while Gemini 4 Carbon's cutoff date is not specified.

We can confirm GPT-5 mini's training data extends to 2024-05-30, but cannot make a direct comparison without Gemini 4 Carbon's cutoff date.

Gemini 4 Carbon

—

GPT-5 mini

May 2024

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

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

Gemini 4 Carbon
✓ Preferred
GPT-5 mini
Open in Playground

FAQ

Common questions about Gemini 4 Carbon vs GPT-5 mini.

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

Gemini 4 Carbon leads the LLM Stats Score 58.8 to 26.8. Gemini 4 Carbon is made by Google and GPT-5 mini 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 mini 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 mini scores AIME 2025: 91.1%, HMMT 2025: 87.8%, GPQA: 82.3%, FrontierMath: 22.1%, Humanity's Last Exam: 16.7%.

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

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

Key differences include LLM Stats Score (58.8 vs 26.8). See the full comparison above for benchmark-by-benchmark results.

Who makes Gemini 4 Carbon and GPT-5 mini?

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

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