Model Comparison

GPT-5.2 vs Claude 3.7 Sonnet

GPT-5.2 significantly outperforms across most benchmarks. GPT-5.2 is 1.2x cheaper per token.

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Performance Benchmarks

Comparative analysis across standard metrics

4 benchmarks

GPT-5.2 outperforms in 4 benchmarks (AIME 2025, GPQA, MMMLU, SWE-Bench Verified), while Claude 3.7 Sonnet is better at 0 benchmarks.

GPT-5.2 significantly outperforms across most benchmarks.

Fri Apr 17 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

GPT-5.2 costs less

For input processing, GPT-5.2 ($1.75/1M tokens) is 1.7x cheaper than Claude 3.7 Sonnet ($3.00/1M tokens).

For output processing, GPT-5.2 ($14.00/1M tokens) is 1.1x cheaper than Claude 3.7 Sonnet ($15.00/1M tokens).

In conclusion, Claude 3.7 Sonnet is more expensive than GPT-5.2.*

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

Lowest available price from all providers
Fri Apr 17 2026 • llm-stats.com
OpenAI
GPT-5.2
Input tokens$1.75
Output tokens$14.00
Best providerOpenAI
Anthropic
Claude 3.7 Sonnet
Input tokens$3.00
Output tokens$15.00
Best providerAnthropic
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

GPT-5.2 accepts 400,000 input tokens compared to Claude 3.7 Sonnet's 200,000 tokens. Both models can generate responses up to 128,000 tokens.

OpenAI
GPT-5.2
Input400,000 tokens
Output128,000 tokens
Anthropic
Claude 3.7 Sonnet
Input200,000 tokens
Output128,000 tokens
Fri Apr 17 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both GPT-5.2 and Claude 3.7 Sonnet support multimodal inputs.

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

GPT-5.2

Text
Images
Audio
Video

Claude 3.7 Sonnet

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.

GPT-5.2

Proprietary

Closed source

Claude 3.7 Sonnet

Proprietary

Closed source

Release Timeline

When each model was launched

GPT-5.2 was released on 2025-12-11, while Claude 3.7 Sonnet was released on 2025-02-24.

GPT-5.2 is 10 months newer than Claude 3.7 Sonnet.

GPT-5.2

Dec 11, 2025

4 months ago

9mo newer
Claude 3.7 Sonnet

Feb 24, 2025

1.1 years ago

Knowledge Cutoff

When training data ends

GPT-5.2 has a documented knowledge cutoff of 2025-08-25, while Claude 3.7 Sonnet's cutoff date is not specified.

We can confirm GPT-5.2's training data extends to 2025-08-25, but cannot make a direct comparison without Claude 3.7 Sonnet's cutoff date.

GPT-5.2

Aug 2025

Claude 3.7 Sonnet

—

Provider Availability

GPT-5.2 is available from OpenAI. Claude 3.7 Sonnet is available from Anthropic, Bedrock, Google.

GPT-5.2

openai logo
OpenAI
Input Price:Input: $1.75/1MOutput Price:Output: $14.00/1M

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
* Prices shown are per million tokens

Outputs Comparison

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Key Takeaways

OpenAI
Larger context window (400,000 tokens)
Less expensive input tokens
Less expensive output tokens
Higher AIME 2025 score (100.0% vs 54.8%)
Higher GPQA score (92.4% vs 84.8%)
Higher MMMLU score (89.6% vs 86.1%)
Higher SWE-Bench Verified score (80.0% vs 70.3%)
Anthropic
OpenAIGPT-5.2
AnthropicClaude 3.7 Sonnet
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Detailed Comparison

AI Model Comparison Table
Feature
OpenAI
GPT-5.2
Anthropic
Claude 3.7 Sonnet

FAQ

Common questions about GPT-5.2 vs Claude 3.7 Sonnet

GPT-5.2 significantly outperforms across most benchmarks. GPT-5.2 is made by OpenAI and Claude 3.7 Sonnet is made by Anthropic. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.
GPT-5.2 scores AIME 2025: 100.0%, HMMT 2025: 99.4%, Tau2 Telecom: 98.7%, Graphwalks BFS <128k: 94.0%, GPQA: 92.4%. Claude 3.7 Sonnet scores MATH-500: 96.2%, IFEval: 93.2%, MMMLU: 86.1%, GPQA: 84.8%, TAU-bench Retail: 81.2%.
GPT-5.2 is 1.7x cheaper for input tokens. GPT-5.2 costs $1.75/M input and $14.00/M output via openai. Claude 3.7 Sonnet costs $3.00/M input and $15.00/M output via anthropic.
GPT-5.2 supports 400K tokens and Claude 3.7 Sonnet supports 200K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.
Key differences include context window (400K vs 200K), input pricing ($1.75 vs $3.00/M). See the full comparison above for benchmark-by-benchmark results.
GPT-5.2 is developed by OpenAI and Claude 3.7 Sonnet is developed by Anthropic.