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Gemini 4 Carbon vs Solar Pro 4

Gemini 4 Carbon leads the LLM Stats Score 59.0 to 33.9.

Google · Upstage · Updated for 2026

Which is better?

Gemini 4 Carbon leads the overall LLM Stats Score 59.0 to 33.9, 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 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 Solar Pro 4

  • you want predictable pricing at $0.30/M input and $1.20/M output

At a glance

The differences that matter most.

Gemini 4 Carbon
Google
Solar Pro 4
Upstage
Core performance indexes
LLM Stats Score
59.0
#2
33.9
#117
Reasoning
54.9
#5
33.5
#116
Coding
48.1
#3
20.4
#121
Agents
46.0
#2
10.8
#143
Cost, coverage & limits
Benchmark wins
—
—
Input price
— / M
$0.30 / M
Output price
— / M
$1.20 / M
Context window
—
524,288

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
Gemini 4 Carbon
Solar Pro 4
Tool use
35.8#3
8.9#160
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

16 reported for Gemini 4 Carbon · 9 for Solar Pro 4

No common benchmarks found

Gemini 4 Carbon and Solar Pro 4don'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 Solar Pro 4 specifies input context (524,288 tokens). Only Solar Pro 4 specifies output context (131,072 tokens).

Google
Gemini 4 Carbon
Input- tokens
Output- tokens
Upstage
Solar Pro 4
Input524,288 tokens
Output131,072 tokens
Fri Oct 30 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Gemini 4 Carbon supports multimodal inputs, whereas Solar Pro 4 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

Solar Pro 4

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

Solar Pro 4

Proprietary

Closed source

Release Timeline

When each model was launched

Gemini 4 Carbon was released on 2026-10-28, while Solar Pro 4 was released on 2026-08-06.

Gemini 4 Carbon is 3 months newer than Solar Pro 4.

Gemini 4 Carbon

Oct 28, 2026

-3 days ago

2mo newer
Solar Pro 4

Aug 6, 2026

2 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 Solar Pro 4 side-by-side, then vote on the output you prefer.

Gemini 4 Carbon
✓ Preferred
Solar Pro 4
Open in Playground

FAQ

Common questions about Gemini 4 Carbon vs Solar Pro 4.

Which is better, Gemini 4 Carbon or Solar Pro 4?

Gemini 4 Carbon leads the LLM Stats Score 59.0 to 33.9. Gemini 4 Carbon is made by Google and Solar Pro 4 is made by Upstage. 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 Solar Pro 4 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%. Solar Pro 4 scores AIME 2026: 95.3%, GPQA: 89.0%, LiveCodeBench: 87.8%, MMLU-Pro: 86.3%, AA-LCR: 71.0%.

What are the context window sizes for Gemini 4 Carbon and Solar Pro 4?

Gemini 4 Carbon supports an unknown number of tokens and Solar Pro 4 supports 524K 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 Solar Pro 4?

Key differences include LLM Stats Score (59.0 vs 33.9), multimodal support (yes vs no). See the full comparison above for benchmark-by-benchmark results.

Who makes Gemini 4 Carbon and Solar Pro 4?

Gemini 4 Carbon is developed by Google and Solar Pro 4 is developed by Upstage.

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