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Gemini 4 Carbon vs GPT-3.5 Turbo

Gemini 4 Carbon leads the LLM Stats Score 59.0 to -9.8.

Google · OpenAI · Updated for 2026

Which is better?

Gemini 4 Carbon leads the overall LLM Stats Score 59.0 to -9.8, 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 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-3.5 Turbo

  • you want predictable pricing at $0.50/M input and $1.50/M output

At a glance

The differences that matter most.

Gemini 4 Carbon
Google
GPT-3.5 Turbo
OpenAI
Core performance indexes
LLM Stats Score
59.0
#2
-9.8
#401
Reasoning
54.9
#5
-9.1
#394
Coding
48.1
#3
-4.6
#292
Cost, coverage & limits
Benchmark wins
—
—
Input price
— / M
$0.50 / M
Output price
— / M
$1.50 / M
Context window
—
16,385

Capability indexes

Additional strengths measured across groups of related public benchmarks

2 shared
Index
Gemini 4 Carbon
GPT-3.5 Turbo
Vision
36.0#12
-16.2#238
Multimodal
38.0#6
-14.5#191
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

16 reported for Gemini 4 Carbon · 8 for GPT-3.5 Turbo

No common benchmarks found

Gemini 4 Carbon and GPT-3.5 Turbodon'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-3.5 Turbo specifies input context (16,385 tokens). Only GPT-3.5 Turbo specifies output context (4,096 tokens).

Google
Gemini 4 Carbon
Input- tokens
Output- tokens
OpenAI
GPT-3.5 Turbo
Input16,385 tokens
Output4,096 tokens
Thu Oct 29 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Gemini 4 Carbon supports multimodal inputs, whereas GPT-3.5 Turbo 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

GPT-3.5 Turbo

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-3.5 Turbo

Proprietary

Closed source

Release Timeline

When each model was launched

Gemini 4 Carbon was released on 2026-10-28, while GPT-3.5 Turbo was released on 2023-03-21.

Gemini 4 Carbon is 44 months newer than GPT-3.5 Turbo.

Gemini 4 Carbon

Oct 28, 2026

1 days ago

3.6yr newer
GPT-3.5 Turbo

Mar 21, 2023

3.6 years ago

Knowledge Cutoff

When training data ends

GPT-3.5 Turbo has a documented knowledge cutoff of 2021-09-30, while Gemini 4 Carbon's cutoff date is not specified.

We can confirm GPT-3.5 Turbo's training data extends to 2021-09-30, but cannot make a direct comparison without Gemini 4 Carbon's cutoff date.

Gemini 4 Carbon

—

GPT-3.5 Turbo

Sep 2021

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against Gemini 4 Carbon and GPT-3.5 Turbo side-by-side, then vote on the output you prefer.

Gemini 4 Carbon
✓ Preferred
GPT-3.5 Turbo
Open in Playground

FAQ

Common questions about Gemini 4 Carbon vs GPT-3.5 Turbo.

Which is better, Gemini 4 Carbon or GPT-3.5 Turbo?

Gemini 4 Carbon leads the LLM Stats Score 59.0 to -9.8. Gemini 4 Carbon is made by Google and GPT-3.5 Turbo 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-3.5 Turbo 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-3.5 Turbo scores DROP: 70.2%, MMLU: 69.8%, HumanEval: 68.0%, MGSM: 56.3%, MATH: 43.1%.

What are the context window sizes for Gemini 4 Carbon and GPT-3.5 Turbo?

Gemini 4 Carbon supports an unknown number of tokens and GPT-3.5 Turbo supports 16K 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-3.5 Turbo?

Key differences include LLM Stats Score (59.0 vs -9.8), multimodal support (yes vs no). See the full comparison above for benchmark-by-benchmark results.

Who makes Gemini 4 Carbon and GPT-3.5 Turbo?

Gemini 4 Carbon is developed by Google and GPT-3.5 Turbo is developed by OpenAI.

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