Model Comparison

GPT-4o vs Claude 3.7 SonnetWhich is better in 2026?

Claude 3.7 Sonnet significantly outperforms across most benchmarks. GPT-4o is 1.4x cheaper per token.

Verdict: GPT-4o vs Claude 3.7 Sonnet — which is better?

GPT-4o (by OpenAI) and Claude 3.7 Sonnet (by Anthropic) 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.

GPT-4o outperforms in 0 benchmarks, while Claude 3.7 Sonnet is better at 8 benchmarks (AIME 2024, GPQA, IFEval, MMMLU, MMMU, SWE-Bench Verified, TAU-bench Airline, TAU-bench Retail). Claude 3.7 Sonnet significantly outperforms across most benchmarks.

On price, GPT-4o is roughly 1.4x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Claude 3.7 Sonnet also accepts a larger context window (200,000 input tokens), making it the stronger choice for long documents and large codebases.

Choose GPT-4o if…

  • cost matters — it's about 1.4x cheaper per token

Choose Claude 3.7 Sonnet if…

  • you want the strongest raw capability — it leads on 8 of 8 shared benchmarks
  • you process long inputs — it offers a 200,000 token context window
  • you want the most recent training data — it shipped Feb 2025
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Performance Benchmarks

Comparative analysis across standard metrics

8 benchmarks

GPT-4o outperforms in 0 benchmarks, while Claude 3.7 Sonnet is better at 8 benchmarks (AIME 2024, GPQA, IFEval, MMMLU, MMMU, SWE-Bench Verified, TAU-bench Airline, TAU-bench Retail).

Claude 3.7 Sonnet significantly outperforms across most benchmarks.

Sat Jun 06 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

GPT-4o costs less

For input processing, GPT-4o ($2.50/1M tokens) is 1.2x cheaper than Claude 3.7 Sonnet ($3.00/1M tokens).

For output processing, GPT-4o ($10.00/1M tokens) is 1.5x cheaper than Claude 3.7 Sonnet ($15.00/1M tokens).

In conclusion, Claude 3.7 Sonnet is more expensive than GPT-4o.*

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

Lowest available price from all providers
Sat Jun 06 2026 • llm-stats.com
OpenAI
GPT-4o
Input tokens$2.50
Output tokens$10.00
Best providerAzure
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

Claude 3.7 Sonnet accepts 200,000 input tokens compared to GPT-4o's 128,000 tokens. Claude 3.7 Sonnet can generate longer responses up to 128,000 tokens, while GPT-4o is limited to 16,384 tokens.

OpenAI
GPT-4o
Input128,000 tokens
Output16,384 tokens
Anthropic
Claude 3.7 Sonnet
Input200,000 tokens
Output128,000 tokens
Sat Jun 06 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both GPT-4o and Claude 3.7 Sonnet support multimodal inputs.

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

GPT-4o

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-4o

Proprietary

Closed source

Claude 3.7 Sonnet

Proprietary

Closed source

Release Timeline

When each model was launched

GPT-4o was released on 2024-08-06, while Claude 3.7 Sonnet was released on 2025-02-24.

Claude 3.7 Sonnet is 7 months newer than GPT-4o.

GPT-4o

Aug 6, 2024

1.8 years ago

Claude 3.7 Sonnet

Feb 24, 2025

1.3 years ago

6mo 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

GPT-4o is available from Azure, OpenAI. Claude 3.7 Sonnet is available from Anthropic, Bedrock, Google.

GPT-4o

azure logo
Azure
Input Price:Input: $2.50/1MOutput Price:Output: $10.00/1M
openai logo
OpenAI
Input Price:Input: $2.50/1MOutput Price:Output: $10.00/1M

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

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

OpenAI
Less expensive input tokens
Less expensive output tokens
Anthropic
Larger context window (200,000 tokens)
Higher AIME 2024 score (80.0% vs 13.1%)
Higher GPQA score (84.8% vs 70.1%)
Higher IFEval score (93.2% vs 81.0%)
Higher MMMLU score (86.1% vs 81.4%)
Higher MMMU score (75.0% vs 72.2%)
Higher SWE-Bench Verified score (70.3% vs 33.2%)
Higher TAU-bench Airline score (58.4% vs 42.8%)
Higher TAU-bench Retail score (81.2% vs 60.3%)
OpenAIGPT-4o
AnthropicClaude 3.7 Sonnet
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Detailed Comparison

AI Model Comparison Table
Feature
OpenAI
GPT-4o
Anthropic
Claude 3.7 Sonnet

FAQ

Common questions about GPT-4o vs Claude 3.7 Sonnet.

Which is better, GPT-4o or Claude 3.7 Sonnet?

Claude 3.7 Sonnet significantly outperforms across most benchmarks. GPT-4o 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.

How does GPT-4o compare to Claude 3.7 Sonnet in benchmarks?

GPT-4o scores AI2D: 94.2%, DocVQA: 92.8%, ChartQA: 85.7%, MMLU: 85.7%, CharXiv-D: 85.3%. Claude 3.7 Sonnet scores MATH-500: 96.2%, IFEval: 93.2%, MMMLU: 86.1%, GPQA: 84.8%, TAU-bench Retail: 81.2%.

Is GPT-4o cheaper than Claude 3.7 Sonnet?

GPT-4o is 1.2x cheaper for input tokens. GPT-4o costs $2.50/M input and $10.00/M output via azure. Claude 3.7 Sonnet costs $3.00/M input and $15.00/M output via anthropic.

What are the context window sizes for GPT-4o and Claude 3.7 Sonnet?

GPT-4o supports 128K 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.

What are the main differences between GPT-4o and Claude 3.7 Sonnet?

Key differences include context window (128K vs 200K), input pricing ($2.50 vs $3.00/M). See the full comparison above for benchmark-by-benchmark results.

Who makes GPT-4o and Claude 3.7 Sonnet?

GPT-4o is developed by OpenAI and Claude 3.7 Sonnet is developed by Anthropic.

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