Model Comparison

Claude Sonnet 4 vs GPT-4

Claude Sonnet 4 significantly outperforms across most benchmarks. Claude Sonnet 4 is 6.3x cheaper per token.

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Performance Benchmarks

Comparative analysis across standard metrics

1 benchmarks

Claude Sonnet 4 outperforms in 1 benchmarks (GPQA), while GPT-4 is better at 0 benchmarks.

Claude Sonnet 4 significantly outperforms across most benchmarks.

Sun Apr 26 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 Sonnet 4 ($3.00/1M tokens) is 10.0x cheaper than GPT-4 ($30.00/1M tokens).

For output processing, Claude Sonnet 4 ($15.00/1M tokens) is 4.0x cheaper than GPT-4 ($60.00/1M tokens).

In conclusion, GPT-4 is more expensive than Claude Sonnet 4.*

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

Lowest available price from all providers
Sun Apr 26 2026 • llm-stats.com
Anthropic
Claude Sonnet 4
Input tokens$3.00
Output tokens$15.00
Best providerAnthropic
OpenAI
GPT-4
Input tokens$30.00
Output tokens$60.00
Best providerAzure
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Claude Sonnet 4 accepts 200,000 input tokens compared to GPT-4's 32,768 tokens. Claude Sonnet 4 can generate longer responses up to 64,000 tokens, while GPT-4 is limited to 32,768 tokens.

Anthropic
Claude Sonnet 4
Input200,000 tokens
Output64,000 tokens
OpenAI
GPT-4
Input32,768 tokens
Output32,768 tokens
Sun Apr 26 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Claude Sonnet 4 and GPT-4 support multimodal inputs.

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

Claude Sonnet 4

Text
Images
Audio
Video

GPT-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 Sonnet 4

Proprietary

Closed source

GPT-4

Proprietary

Closed source

Release Timeline

When each model was launched

Claude Sonnet 4 was released on 2025-05-22, while GPT-4 was released on 2023-06-13.

Claude Sonnet 4 is 24 months newer than GPT-4.

Claude Sonnet 4

May 22, 2025

11 months ago

1.9yr newer
GPT-4

Jun 13, 2023

2.9 years ago

Knowledge Cutoff

When training data ends

GPT-4 has a documented knowledge cutoff of 2022-12-31, while Claude Sonnet 4's cutoff date is not specified.

We can confirm GPT-4's training data extends to 2022-12-31, but cannot make a direct comparison without Claude Sonnet 4's cutoff date.

Claude Sonnet 4

—

GPT-4

Dec 2022

Provider Availability

Claude Sonnet 4 is available from Anthropic, Bedrock, Google. GPT-4 is available from Azure, OpenAI.

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

GPT-4

azure logo
Azure
Input Price:Input: $30.00/1MOutput Price:Output: $60.00/1M
openai logo
OpenAI
Input Price:Input: $30.00/1MOutput Price:Output: $60.00/1M
* Prices shown are per million tokens

Outputs Comparison

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Key Takeaways

Anthropic
Larger context window (200,000 tokens)
Less expensive input tokens
Less expensive output tokens
Higher GPQA score (75.4% vs 35.7%)
OpenAI
AnthropicClaude Sonnet 4
OpenAIGPT-4
Compare in Playground

Detailed Comparison

AI Model Comparison Table
Feature
Anthropic
Claude Sonnet 4
OpenAI
GPT-4

FAQ

Common questions about Claude Sonnet 4 vs GPT-4

Claude Sonnet 4 significantly outperforms across most benchmarks. Claude Sonnet 4 is made by Anthropic and GPT-4 is made by OpenAI. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.
Claude Sonnet 4 scores MMMLU: 86.5%, TAU-bench Retail: 80.5%, GPQA: 75.4%, MMMU: 74.4%, SWE-Bench Verified: 72.7%. GPT-4 scores AI2 Reasoning Challenge (ARC): 96.3%, HellaSwag: 95.3%, Uniform Bar Exam: 90.0%, SAT Math: 89.0%, LSAT: 88.0%.
Claude Sonnet 4 is 10.0x cheaper for input tokens. Claude Sonnet 4 costs $3.00/M input and $15.00/M output via anthropic. GPT-4 costs $30.00/M input and $60.00/M output via azure.
Claude Sonnet 4 supports 200K tokens and GPT-4 supports 33K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.
Key differences include context window (200K vs 33K), input pricing ($3.00 vs $30.00/M). See the full comparison above for benchmark-by-benchmark results.
Claude Sonnet 4 is developed by Anthropic and GPT-4 is developed by OpenAI.