Model Comparison

Claude 3.5 Sonnet vs Gemini 1.5 ProWhich is better in 2026?

Claude 3.5 Sonnet significantly outperforms across most benchmarks. Gemini 1.5 Pro is 1.4x cheaper per token.

Verdict: Claude 3.5 Sonnet vs Gemini 1.5 Pro — which is better?

Claude 3.5 Sonnet (by Anthropic) and Gemini 1.5 Pro (by Google) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.

Claude 3.5 Sonnet outperforms in 9 benchmarks (BIG-Bench Hard, DROP, GPQA, GSM8k, HumanEval, MGSM, MMLU, MMLU-Pro, MMMU), while Gemini 1.5 Pro is better at 2 benchmarks (MATH, MathVista). Claude 3.5 Sonnet significantly outperforms across most benchmarks.

On price, Gemini 1.5 Pro is roughly 1.4x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Gemini 1.5 Pro also accepts a larger context window (2,097,152 input tokens), making it the stronger choice for long documents and large codebases.

Choose Claude 3.5 Sonnet if…

  • you want the strongest raw capability — it leads on 9 of 11 shared benchmarks
  • you want the most recent training data — it shipped Oct 2024

Choose Gemini 1.5 Pro if…

  • cost matters — it's about 1.4x cheaper per token
  • you process long inputs — it offers a 2,097,152 token context window
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Performance Benchmarks

Comparative analysis across standard metrics

11 benchmarks

Claude 3.5 Sonnet outperforms in 9 benchmarks (BIG-Bench Hard, DROP, GPQA, GSM8k, HumanEval, MGSM, MMLU, MMLU-Pro, MMMU), while Gemini 1.5 Pro is better at 2 benchmarks (MATH, MathVista).

Claude 3.5 Sonnet significantly outperforms across most benchmarks.

Mon Jun 15 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Gemini 1.5 Pro costs less

For input processing, Claude 3.5 Sonnet ($3.00/1M tokens) is 1.2x more expensive than Gemini 1.5 Pro ($2.50/1M tokens).

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

In conclusion, Claude 3.5 Sonnet is more expensive than Gemini 1.5 Pro.*

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

Lowest available price from all providers
Mon Jun 15 2026 • llm-stats.com
Anthropic
Claude 3.5 Sonnet
Input tokens$3.00
Output tokens$15.00
Best providerAnthropic
Google
Gemini 1.5 Pro
Input tokens$2.50
Output tokens$10.00
Best providerGoogle
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Gemini 1.5 Pro accepts 2,097,152 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 1.5 Pro is limited to 8,192 tokens.

Anthropic
Claude 3.5 Sonnet
Input200,000 tokens
Output200,000 tokens
Google
Gemini 1.5 Pro
Input2,097,152 tokens
Output8,192 tokens
Mon Jun 15 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Claude 3.5 Sonnet and Gemini 1.5 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 1.5 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 1.5 Pro

Proprietary

Closed source

Release Timeline

When each model was launched

Claude 3.5 Sonnet was released on 2024-10-22, while Gemini 1.5 Pro was released on 2024-05-01.

Claude 3.5 Sonnet is 6 months newer than Gemini 1.5 Pro.

Claude 3.5 Sonnet

Oct 22, 2024

1.6 years ago

5mo newer
Gemini 1.5 Pro

May 1, 2024

2.1 years ago

Knowledge Cutoff

When training data ends

Gemini 1.5 Pro has a documented knowledge cutoff of 2023-11-01, while Claude 3.5 Sonnet's cutoff date is not specified.

We can confirm Gemini 1.5 Pro's training data extends to 2023-11-01, but cannot make a direct comparison without Claude 3.5 Sonnet's cutoff date.

Claude 3.5 Sonnet

—

Gemini 1.5 Pro

Nov 2023

Provider Availability

Claude 3.5 Sonnet is available from Anthropic, Bedrock, Google. Gemini 1.5 Pro 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 1.5 Pro

google logo
Google
Input Price:Input: $2.50/1MOutput Price:Output: $10.00/1M
* Prices shown are per million tokens

Outputs Comparison

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Key Takeaways

Anthropic
Higher BIG-Bench Hard score (93.1% vs 89.2%)
Higher DROP score (87.1% vs 74.9%)
Higher GPQA score (67.2% vs 59.1%)
Higher GSM8k score (96.4% vs 90.8%)
Higher HumanEval score (93.7% vs 84.1%)
Higher MGSM score (91.6% vs 87.5%)
Higher MMLU score (90.4% vs 85.9%)
Higher MMLU-Pro score (77.6% vs 75.8%)
Higher MMMU score (68.3% vs 65.9%)
Google
Larger context window (2,097,152 tokens)
Less expensive input tokens
Less expensive output tokens
Higher MATH score (86.5% vs 78.3%)
Higher MathVista score (68.1% vs 67.7%)

Detailed Comparison

AI Model Comparison Table
Feature
Anthropic
Claude 3.5 Sonnet
Google
Gemini 1.5 Pro

FAQ

Common questions about Claude 3.5 Sonnet vs Gemini 1.5 Pro.

Which is better, Claude 3.5 Sonnet or Gemini 1.5 Pro?

Claude 3.5 Sonnet significantly outperforms across most benchmarks. Claude 3.5 Sonnet is made by Anthropic and Gemini 1.5 Pro is made by Google. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Claude 3.5 Sonnet compare to Gemini 1.5 Pro 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 1.5 Pro scores XSTest: 98.8%, FLEURS: 93.3%, HellaSwag: 93.3%, GSM8k: 90.8%, BIG-Bench Hard: 89.2%.

Is Claude 3.5 Sonnet cheaper than Gemini 1.5 Pro?

Gemini 1.5 Pro is 1.2x cheaper for input tokens. Claude 3.5 Sonnet costs $3.00/M input and $15.00/M output via anthropic. Gemini 1.5 Pro costs $2.50/M input and $10.00/M output via google.

What are the context window sizes for Claude 3.5 Sonnet and Gemini 1.5 Pro?

Claude 3.5 Sonnet supports 200K tokens and Gemini 1.5 Pro supports 2.1M 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 1.5 Pro?

Key differences include context window (200K vs 2.1M), input pricing ($3.00 vs $2.50/M). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude 3.5 Sonnet and Gemini 1.5 Pro?

Claude 3.5 Sonnet is developed by Anthropic and Gemini 1.5 Pro is developed by Google.

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