Model Comparison

Claude 3.7 Sonnet vs Claude Sonnet 4

Claude Sonnet 4 shows notably better performance in the majority of benchmarks. Claude 3.7 Sonnet and Claude Sonnet 4 cost the same.

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Performance Benchmarks

Comparative analysis across standard metrics

8 benchmarks

Claude 3.7 Sonnet outperforms in 3 benchmarks (GPQA, MMMU, TAU-bench Retail), while Claude Sonnet 4 is better at 5 benchmarks (AIME 2025, MMMLU, SWE-Bench Verified, TAU-bench Airline, Terminal-Bench).

Claude Sonnet 4 shows notably better performance in the majority of benchmarks.

Mon Apr 27 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Claude Sonnet 4 costs less

For input processing, Claude 3.7 Sonnet ($3.00/1M tokens) costs the same as Claude Sonnet 4 ($3.00/1M tokens).

For output processing, Claude 3.7 Sonnet ($15.00/1M tokens) costs the same as Claude Sonnet 4 ($15.00/1M tokens).

In conclusion, Claude 3.7 Sonnet and Claude Sonnet 4 cost the same.*

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

Lowest available price from all providers
Mon Apr 27 2026 • llm-stats.com
Anthropic
Claude 3.7 Sonnet
Input tokens$3.00
Output tokens$15.00
Best providerAnthropic
Anthropic
Claude Sonnet 4
Input tokens$3.00
Output tokens$15.00
Best providerAnthropic
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Context Window

Maximum input and output token capacity

Both models have the same input context window of 200,000 tokens. Claude 3.7 Sonnet can generate longer responses up to 128,000 tokens, while Claude Sonnet 4 is limited to 64,000 tokens.

Anthropic
Claude 3.7 Sonnet
Input200,000 tokens
Output128,000 tokens
Anthropic
Claude Sonnet 4
Input200,000 tokens
Output64,000 tokens
Mon Apr 27 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Claude 3.7 Sonnet and Claude Sonnet 4 support multimodal inputs.

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

Claude 3.7 Sonnet

Text
Images
Audio
Video

Claude Sonnet 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.

Claude 3.7 Sonnet

Proprietary

Closed source

Claude Sonnet 4

Proprietary

Closed source

Release Timeline

When each model was launched

Claude 3.7 Sonnet was released on 2025-02-24, while Claude Sonnet 4 was released on 2025-05-22.

Claude Sonnet 4 is 3 months newer than Claude 3.7 Sonnet.

Claude 3.7 Sonnet

Feb 24, 2025

1.2 years ago

Claude Sonnet 4

May 22, 2025

11 months ago

2mo newer

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

Provider Availability

Claude 3.7 Sonnet is available from Anthropic, Bedrock, Google. Claude Sonnet 4 is available from Anthropic, Bedrock, Google.

Claude 3.7 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

Claude Sonnet 4

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
* Prices shown are per million tokens

Outputs Comparison

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Key Takeaways

Anthropic
Higher GPQA score (84.8% vs 75.4%)
Higher MMMU score (75.0% vs 74.4%)
Higher TAU-bench Retail score (81.2% vs 80.5%)
Anthropic
Higher AIME 2025 score (70.5% vs 54.8%)
Higher MMMLU score (86.5% vs 86.1%)
Higher SWE-Bench Verified score (72.7% vs 70.3%)
Higher TAU-bench Airline score (60.0% vs 58.4%)
Higher Terminal-Bench score (35.5% vs 35.2%)
AnthropicClaude 3.7 Sonnet
AnthropicClaude Sonnet 4
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Detailed Comparison

AI Model Comparison Table
Feature
Anthropic
Claude 3.7 Sonnet
Anthropic
Claude Sonnet 4

FAQ

Common questions about Claude 3.7 Sonnet vs Claude Sonnet 4

Claude Sonnet 4 shows notably better performance in the majority of benchmarks. Claude 3.7 Sonnet is made by Anthropic and Claude Sonnet 4 is made by Anthropic. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.
Claude 3.7 Sonnet scores MATH-500: 96.2%, IFEval: 93.2%, MMMLU: 86.1%, GPQA: 84.8%, TAU-bench Retail: 81.2%. Claude Sonnet 4 scores MMMLU: 86.5%, TAU-bench Retail: 80.5%, GPQA: 75.4%, MMMU: 74.4%, SWE-Bench Verified: 72.7%.
Both models cost $3.00 per million input tokens.
Claude 3.7 Sonnet supports 200K tokens and Claude Sonnet 4 supports 200K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.