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Gemini 4 Carbon vs SWE-2

Gemini 4 Carbon leads the LLM Stats Score 58.8 to 47.9.

Google · Cognition · Updated for 2026

Which is better?

Gemini 4 Carbon leads the overall LLM Stats Score 58.8 to 47.9, 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 coding and agents — it leads those capability indexes
  • you want the most recent training data — it shipped Oct 2026

Choose SWE-2

  • you are already invested in the Cognition ecosystem

At a glance

The differences that matter most.

Gemini 4 Carbon
Google
SWE-2
Cognition
Core performance indexes
LLM Stats Score
58.8
#2
47.9
#34
Reasoning
54.4
#5
45.5
#37
Coding
48.3
#3
38.7
#26
Agents
45.8
#1
35.6
#27
Cost, coverage & limits
Benchmark wins
—
—
Input price
— / M
— / M
Output price
— / M
— / M
Context window
—
—

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
Gemini 4 Carbon
SWE-2
Tool use
35.4#3
26.2#38
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

16 reported for Gemini 4 Carbon · 4 for SWE-2

No common benchmarks found

Gemini 4 Carbon and SWE-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

Input capabilities

Documented input modalities across available providers

Gemini 4 Carbon supports multimodal inputs, whereas SWE-2 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

SWE-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

SWE-2

Proprietary

Closed source

Release Timeline

When each model was launched

Gemini 4 Carbon was released on 2026-10-28, while SWE-2 was released on 2026-09-10.

Gemini 4 Carbon is 2 months newer than SWE-2.

Gemini 4 Carbon

Oct 28, 2026

1 weeks ago

1mo newer
SWE-2

Sep 10, 2026

1 months 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 SWE-2 side-by-side, then vote on the output you prefer.

Gemini 4 Carbon
✓ Preferred
SWE-2
Open in Playground

FAQ

Common questions about Gemini 4 Carbon vs SWE-2.

Which is better, Gemini 4 Carbon or SWE-2?

Gemini 4 Carbon leads the LLM Stats Score 58.8 to 47.9. Gemini 4 Carbon is made by Google and SWE-2 is made by Cognition. 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 SWE-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%. SWE-2 scores Terminal-Bench 2.1: 92.8%, DeepSWE 1.1: 73.0%, FrontierCode 1.1: 50.0%, Terminal-Bench 4.0: 27.3%.

What are the main differences between Gemini 4 Carbon and SWE-2?

Key differences include LLM Stats Score (58.8 vs 47.9), multimodal support (yes vs no). See the full comparison above for benchmark-by-benchmark results.

Who makes Gemini 4 Carbon and SWE-2?

Gemini 4 Carbon is developed by Google and SWE-2 is developed by Cognition.

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