Model Comparison

Gemini 3.1 Pro vs Claude Opus 4.1

Gemini 3.1 Pro significantly outperforms across most benchmarks. Gemini 3.1 Pro is 5.3x cheaper per token.

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Performance Benchmarks

Comparative analysis across standard metrics

3 benchmarks

Gemini 3.1 Pro outperforms in 3 benchmarks (GPQA, MMMLU, SWE-Bench Verified), while Claude Opus 4.1 is better at 0 benchmarks.

Gemini 3.1 Pro significantly outperforms across most benchmarks.

Wed Apr 15 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Gemini 3.1 Pro costs less

For input processing, Gemini 3.1 Pro ($2.50/1M tokens) is 6.0x cheaper than Claude Opus 4.1 ($15.00/1M tokens).

For output processing, Gemini 3.1 Pro ($15.00/1M tokens) is 5.0x cheaper than Claude Opus 4.1 ($75.00/1M tokens).

In conclusion, Claude Opus 4.1 is more expensive than Gemini 3.1 Pro.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Wed Apr 15 2026 • llm-stats.com
Google
Gemini 3.1 Pro
Input tokens$2.50
Output tokens$15.00
Best providerGoogle
Anthropic
Claude Opus 4.1
Input tokens$15.00
Output tokens$75.00
Best providerAnthropic
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Gemini 3.1 Pro accepts 1,048,576 input tokens compared to Claude Opus 4.1's 200,000 tokens. Gemini 3.1 Pro can generate longer responses up to 65,536 tokens, while Claude Opus 4.1 is limited to 32,000 tokens.

Google
Gemini 3.1 Pro
Input1,048,576 tokens
Output65,536 tokens
Anthropic
Claude Opus 4.1
Input200,000 tokens
Output32,000 tokens
Wed Apr 15 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Gemini 3.1 Pro and Claude Opus 4.1 support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

Gemini 3.1 Pro

Text
Images
Audio
Video

Claude Opus 4.1

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 3.1 Pro

Proprietary

Closed source

Claude Opus 4.1

Proprietary

Closed source

Release Timeline

When each model was launched

Gemini 3.1 Pro was released on 2026-02-19, while Claude Opus 4.1 was released on 2025-08-05.

Gemini 3.1 Pro is 7 months newer than Claude Opus 4.1.

Gemini 3.1 Pro

Feb 19, 2026

1 months ago

6mo newer
Claude Opus 4.1

Aug 5, 2025

8 months ago

Knowledge Cutoff

When training data ends

Gemini 3.1 Pro has a documented knowledge cutoff of 2025-01-31, while Claude Opus 4.1's cutoff date is not specified.

We can confirm Gemini 3.1 Pro's training data extends to 2025-01-31, but cannot make a direct comparison without Claude Opus 4.1's cutoff date.

Gemini 3.1 Pro

Jan 2025

Claude Opus 4.1

—

Provider Availability

Gemini 3.1 Pro is available from Google. Claude Opus 4.1 is available from Anthropic, Bedrock, Google.

Gemini 3.1 Pro

google logo
Google
Input Price:Input: $2.50/1MOutput Price:Output: $15.00/1M

Claude Opus 4.1

anthropic logo
Anthropic
Input Price:Input: $15.00/1MOutput Price:Output: $75.00/1M
bedrock logo
AWS Bedrock
Input Price:Input: $15.00/1MOutput Price:Output: $75.00/1M
google logo
Google
Input Price:Input: $15.00/1MOutput Price:Output: $75.00/1M
* Prices shown are per million tokens

Outputs Comparison

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Key Takeaways

Google
Larger context window (1,048,576 tokens)
Less expensive input tokens
Less expensive output tokens
Higher GPQA score (94.3% vs 80.9%)
Higher MMMLU score (92.6% vs 89.5%)
Higher SWE-Bench Verified score (80.6% vs 74.5%)
Anthropic

Detailed Comparison

AI Model Comparison Table
Feature
Google
Gemini 3.1 Pro
Anthropic
Claude Opus 4.1

FAQ

Common questions about Gemini 3.1 Pro vs Claude Opus 4.1

Gemini 3.1 Pro significantly outperforms across most benchmarks. Gemini 3.1 Pro is made by Google and Claude Opus 4.1 is made by Anthropic. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.
Gemini 3.1 Pro scores t2-bench: 99.3%, LiveCodeBench Pro: 96.2%, GPQA: 94.3%, MMMLU: 92.6%, BrowseComp: 85.9%. Claude Opus 4.1 scores MMMLU: 89.5%, TAU-bench Retail: 82.4%, GPQA: 80.9%, AIME 2025: 78.0%, MMMU (validation): 77.1%.
Gemini 3.1 Pro is 6.0x cheaper for input tokens. Gemini 3.1 Pro costs $2.50/M input and $15.00/M output via google. Claude Opus 4.1 costs $15.00/M input and $75.00/M output via anthropic.
Gemini 3.1 Pro supports 1.0M tokens and Claude Opus 4.1 supports 200K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.
Key differences include context window (1.0M vs 200K), input pricing ($2.50 vs $15.00/M). See the full comparison above for benchmark-by-benchmark results.
Gemini 3.1 Pro is developed by Google and Claude Opus 4.1 is developed by Anthropic.