Claude 3.5 Sonnet vs Gemini 2.5 Pro Comparison

Comparing Claude 3.5 Sonnet and Gemini 2.5 Pro across benchmarks, pricing, and capabilities.

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Performance Benchmarks

Comparative analysis across standard metrics

1 benchmarks

Claude 3.5 Sonnet outperforms in 0 benchmarks, while Gemini 2.5 Pro is better at 1 benchmark (GPQA).

Gemini 2.5 Pro significantly outperforms across most benchmarks.

Sat Mar 14 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Gemini 2.5 Pro costs less

For input processing, Claude 3.5 Sonnet ($3.00/1M tokens) is 2.4x more expensive than Gemini 2.5 Pro ($1.25/1M tokens).

For output processing, Claude 3.5 Sonnet ($15.00/1M tokens) is 1.5x more expensive than Gemini 2.5 Pro ($10.00/1M tokens).

In conclusion, Claude 3.5 Sonnet is more expensive than Gemini 2.5 Pro.*

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

Lowest available price from all providers

Sat Mar 14 2026 • llm-stats.com

Claude 3.5 Sonnet

Input tokens$3.00

Output tokens$15.00

Best providerAWS Bedrock

Gemini 2.5 Pro

Input tokens$1.25

Output tokens$10.00

Best providerGoogle

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Context Window

Maximum input and output token capacity

Gemini 2.5 Pro accepts 1,048,576 input tokens compared to Claude 3.5 Sonnet's 200,000 tokens. Claude 3.5 Sonnet can generate longer responses up to 200,000 tokens, while Gemini 2.5 Pro is limited to 65,536 tokens.

Claude 3.5 Sonnet

Input200,000 tokens

Output200,000 tokens

Gemini 2.5 Pro

Input1,048,576 tokens

Output65,536 tokens

Sat Mar 14 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Claude 3.5 Sonnet and Gemini 2.5 Pro support multimodal inputs.

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

Claude 3.5 Sonnet

Text

Images

Audio

Video

Gemini 2.5 Pro

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.

Claude 3.5 Sonnet

Proprietary

Closed source

Gemini 2.5 Pro

Proprietary

Closed source

Release Timeline

When each model was launched

Claude 3.5 Sonnet was released on 2024-06-21, while Gemini 2.5 Pro was released on 2025-05-20.

Gemini 2.5 Pro is 11 months newer than Claude 3.5 Sonnet.

Claude 3.5 Sonnet

Jun 21, 2024

1.7 years ago

Gemini 2.5 Pro

May 20, 2025

9 months ago

11mo newer

Knowledge Cutoff

When training data ends

Gemini 2.5 Pro has a documented knowledge cutoff of 2025-01-31, while Claude 3.5 Sonnet's cutoff date is not specified.

We can confirm Gemini 2.5 Pro's training data extends to 2025-01-31, but cannot make a direct comparison without Claude 3.5 Sonnet's cutoff date.

Claude 3.5 Sonnet

—

Gemini 2.5 Pro

Jan 2025

Provider Availability

Claude 3.5 Sonnet is available from Bedrock, Google. Gemini 2.5 Pro is available from Google. The availability of providers can affect quality of the model and reliability.