The AI arena is free today

Open Superagent

Claude 3.5 Sonnet vs Gemini 2.5 Pro Preview 06-05

Gemini 2.5 Pro Preview 06-05 leads the LLM Stats Score 29.9 to 19.1. Gemini 2.5 Pro Preview 06-05 is 1.7x cheaper per token.

Anthropic · Google · Updated for 2026

Which is better?

Gemini 2.5 Pro Preview 06-05 leads the overall LLM Stats Score 29.9 to 19.1, ranking #122 overall.

In the 3 individual benchmarks reported for both models, Gemini 2.5 Pro Preview 06-05 wins 3; this is a narrower head-to-head signal than the composite indexes.

On price, Gemini 2.5 Pro Preview 06-05 is roughly 1.7x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Gemini 2.5 Pro Preview 06-05 also accepts a larger context window (1,048,576 input tokens), making it the stronger choice for long documents and large codebases.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose Claude 3.5 Sonnet

  • you want predictable pricing at $3.00/M input and $15.00/M output

Choose Gemini 2.5 Pro Preview 06-05

  • overall performance matters — it scores 29.9 and ranks #122 on LLM Stats
  • your work emphasizes reasoning — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 3 of 3 exact shared results
  • cost matters — it's about 1.7x cheaper per token
  • you process long inputs — it offers a 1,048,576 token context window
  • you want the most recent training data — it shipped Jun 2025

At a glance

The differences that matter most.

Claude 3.5 Sonnet
Anthropic
Gemini 2.5 Pro Preview 06-05
Google
Core performance indexes
LLM Stats Score
19.1
#207
29.9
#122
Reasoning
20.1
#189
28.4
#129
Coding
11.4
#155
16.7
#124
Cost, coverage & limits
Benchmark wins
0 of 3
3 of 3
Input price
$3.00 / M
$1.25 / M
Output price
$15.00 / M
$10.00 / M
Context window
200,000
1,048,576

Capability indexes

Additional strengths measured across groups of related public benchmarks

3 shared
Index
Claude 3.5 Sonnet
Gemini 2.5 Pro Preview 06-05
Math
23.2#132
22.0#142
Vision
14.4#93
18.8#76
Multimodal
17.6#76
24.9#50
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

19 reported for Claude 3.5 Sonnet · 13 for Gemini 2.5 Pro Preview 06-05

3 shared

Claude 3.5 Sonnet outperforms in 0 benchmarks, while Gemini 2.5 Pro Preview 06-05 is better at 3 benchmarks (GPQA, MMMU, SWE-Bench Verified).

Gemini 2.5 Pro Preview 06-05 significantly outperforms across most benchmarks.

Sun Sep 20 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

Gemini 2.5 Pro Preview 06-05 costs less

For input processing, Claude 3.5 Sonnet ($3.00/1M tokens) is 2.4x more expensive than Gemini 2.5 Pro Preview 06-05 ($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 Preview 06-05 ($10.00/1M tokens).

In conclusion, Claude 3.5 Sonnet is more expensive than Gemini 2.5 Pro Preview 06-05.*

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

Lowest available price from all providers
Sun Sep 20 2026 • llm-stats.com
Anthropic
Claude 3.5 Sonnet
Input tokens$3.00
Output tokens$15.00
Best providerAnthropic
Google
Gemini 2.5 Pro Preview 06-05
Input tokens$1.25
Output tokens$10.00
Best providerGoogle
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Gemini 2.5 Pro Preview 06-05 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 Preview 06-05 is limited to 65,535 tokens.

Anthropic
Claude 3.5 Sonnet
Input200,000 tokens
Output200,000 tokens
Google
Gemini 2.5 Pro Preview 06-05
Input1,048,576 tokens
Output65,535 tokens
Sun Sep 20 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Claude 3.5 Sonnet and Gemini 2.5 Pro Preview 06-05 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 Preview 06-05

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 Preview 06-05

Proprietary

Closed source

Release Timeline

When each model was launched

Claude 3.5 Sonnet was released on 2024-10-22, while Gemini 2.5 Pro Preview 06-05 was released on 2025-06-05.

Gemini 2.5 Pro Preview 06-05 is 8 months newer than Claude 3.5 Sonnet.

Claude 3.5 Sonnet

Oct 22, 2024

1.9 years ago

Gemini 2.5 Pro Preview 06-05

Jun 5, 2025

1.3 years ago

7mo newer

Knowledge Cutoff

When training data ends

Gemini 2.5 Pro Preview 06-05 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 Preview 06-05'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 Preview 06-05

Jan 2025

Provider Availability

Claude 3.5 Sonnet is available from Anthropic, Bedrock, Google. Gemini 2.5 Pro Preview 06-05 is available from Google.

Claude 3.5 Sonnet

anthropic logo
Anthropic
Input Price:Input: $3.00/1MOutput Price:Output: $15.00/1M
bedrock logo
AWS Bedrock
Input Price:Input: $3.00/1MOutput Price:Output: $15.00/1M
google logo
Google
Input Price:Input: $3.00/1MOutput Price:Output: $15.00/1M

Gemini 2.5 Pro Preview 06-05

google logo
Google
Input Price:Input: $1.25/1MOutput Price:Output: $10.00/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

Run your own prompts against Claude 3.5 Sonnet and Gemini 2.5 Pro Preview 06-05 side-by-side, then vote on the output you prefer.

Claude 3.5 Sonnet
✓ Preferred
Gemini 2.5 Pro Preview 06-05
Open in Playground

FAQ

Common questions about Claude 3.5 Sonnet vs Gemini 2.5 Pro Preview 06-05.

Which is better, Claude 3.5 Sonnet or Gemini 2.5 Pro Preview 06-05?

Gemini 2.5 Pro Preview 06-05 leads the LLM Stats Score 29.9 to 19.1. Claude 3.5 Sonnet is made by Anthropic and Gemini 2.5 Pro Preview 06-05 is made by Google. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Claude 3.5 Sonnet compare to Gemini 2.5 Pro Preview 06-05 in benchmarks?

Claude 3.5 Sonnet scores GSM8k: 96.4%, DocVQA: 95.2%, AI2D: 94.7%, HumanEval: 93.7%, BIG-Bench Hard: 93.1%. Gemini 2.5 Pro Preview 06-05 scores Global-MMLU-Lite: 89.2%, AIME 2025: 88.0%, FACTS Grounding: 87.8%, GPQA: 86.4%, VideoMMMU: 83.6%.

Is Claude 3.5 Sonnet cheaper than Gemini 2.5 Pro Preview 06-05?

Gemini 2.5 Pro Preview 06-05 is 2.4x cheaper for input tokens. Claude 3.5 Sonnet costs $3.00/M input and $15.00/M output via anthropic. Gemini 2.5 Pro Preview 06-05 costs $1.25/M input and $10.00/M output via google.

What are the context window sizes for Claude 3.5 Sonnet and Gemini 2.5 Pro Preview 06-05?

Claude 3.5 Sonnet supports 200K tokens and Gemini 2.5 Pro Preview 06-05 supports 1.0M tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Claude 3.5 Sonnet and Gemini 2.5 Pro Preview 06-05?

Key differences include LLM Stats Score (19.1 vs 29.9), context window (200K vs 1.0M), input pricing ($3.00 vs $1.25/M). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude 3.5 Sonnet and Gemini 2.5 Pro Preview 06-05?

Claude 3.5 Sonnet is developed by Anthropic and Gemini 2.5 Pro Preview 06-05 is developed by Google.

Related comparisons