Model Comparison

Claude 3.7 Sonnet vs o3-mini

Claude 3.7 Sonnet shows notably better performance in the majority of benchmarks. o3-mini is 3.1x cheaper per token.

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Performance Benchmarks

Comparative analysis across standard metrics

6 benchmarks

Claude 3.7 Sonnet outperforms in 4 benchmarks (GPQA, SWE-Bench Verified, TAU-bench Airline, TAU-bench Retail), while o3-mini is better at 2 benchmarks (AIME 2024, IFEval).

Claude 3.7 Sonnet shows notably better performance in the majority of benchmarks.

Wed May 06 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

o3-mini costs less

For input processing, Claude 3.7 Sonnet ($3.00/1M tokens) is 2.7x more expensive than o3-mini ($1.10/1M tokens).

For output processing, Claude 3.7 Sonnet ($15.00/1M tokens) is 3.4x more expensive than o3-mini ($4.40/1M tokens).

In conclusion, Claude 3.7 Sonnet is more expensive than o3-mini.*

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

Lowest available price from all providers

Wed May 06 2026 • llm-stats.com

Claude 3.7 Sonnet

Input tokens$3.00

Output tokens$15.00

Best providerAnthropic

o3-mini

Input tokens$1.10

Output tokens$4.40

Best providerAzure

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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 o3-mini is limited to 100,000 tokens.

Claude 3.7 Sonnet

Input200,000 tokens

Output128,000 tokens

o3-mini

Input200,000 tokens

Output100,000 tokens

Wed May 06 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Claude 3.7 Sonnet supports multimodal inputs, whereas o3-mini does not.

Claude 3.7 Sonnet can handle both text and other forms of data like images, making it suitable for multimodal applications.

Claude 3.7 Sonnet

Text

Images

Audio

Video

o3-mini

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

o3-mini

Proprietary

Closed source

Release Timeline

When each model was launched

Claude 3.7 Sonnet was released on 2025-02-24, while o3-mini was released on 2025-01-30.

Claude 3.7 Sonnet is 1 month newer than o3-mini.

Claude 3.7 Sonnet

Feb 24, 2025

1.2 years ago

3w newer

o3-mini

Jan 30, 2025

1.3 years ago

Knowledge Cutoff

When training data ends

o3-mini has a documented knowledge cutoff of 2023-09-30, while Claude 3.7 Sonnet's cutoff date is not specified.

We can confirm o3-mini's training data extends to 2023-09-30, but cannot make a direct comparison without Claude 3.7 Sonnet's cutoff date.

Claude 3.7 Sonnet

—

o3-mini

Sep 2023

Provider Availability

Claude 3.7 Sonnet is available from Anthropic, Bedrock, Google. o3-mini is available from Azure, OpenAI.

Claude 3.7 Sonnet

Anthropic

Input Price:Input: $3.00/1MOutput Price:Output: $15.00/1M

AWS Bedrock

Input Price:Input: $3.00/1MOutput Price:Output: $15.00/1M

Google

Input Price:Input: $3.00/1MOutput Price:Output: $15.00/1M

o3-mini

Azure

Input Price:Input: $1.10/1MOutput Price:Output: $4.40/1M

OpenAI

Input Price:Input: $1.10/1MOutput Price:Output: $4.40/1M

* Prices shown are per million tokens

Outputs Comparison

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Key Takeaways

Claude 3.7 Sonnet

View details

Anthropic

Supports multimodal inputs

Higher GPQA score (84.8% vs 77.2%)

Higher SWE-Bench Verified score (70.3% vs 49.3%)

Higher TAU-bench Airline score (58.4% vs 32.4%)

Higher TAU-bench Retail score (81.2% vs 57.6%)

o3-mini

View details

OpenAI

Less expensive input tokens

Less expensive output tokens

Higher AIME 2024 score (87.3% vs 80.0%)

Higher IFEval score (93.9% vs 93.2%)

Claude 3.7 Sonnet

o3-mini

Compare in Playground

Detailed Comparison

AI Model Comparison Table
Feature	Claude 3.7 Sonnet	o3-mini

FAQ

Common questions about Claude 3.7 Sonnet vs o3-mini.

Which is better, Claude 3.7 Sonnet or o3-mini?

Claude 3.7 Sonnet shows notably better performance in the majority of benchmarks. Claude 3.7 Sonnet is made by Anthropic and o3-mini is made by OpenAI. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Claude 3.7 Sonnet compare to o3-mini in benchmarks?

Claude 3.7 Sonnet scores MATH-500: 96.2%, IFEval: 93.2%, MMMLU: 86.1%, GPQA: 84.8%, TAU-bench Retail: 81.2%. o3-mini scores COLLIE: 98.7%, MATH: 97.9%, IFEval: 93.9%, MGSM: 92.0%, AIME 2024: 87.3%.

Is Claude 3.7 Sonnet cheaper than o3-mini?

o3-mini is 2.7x cheaper for input tokens. Claude 3.7 Sonnet costs $3.00/M input and $15.00/M output via anthropic. o3-mini costs $1.10/M input and $4.40/M output via azure.

What are the context window sizes for Claude 3.7 Sonnet and o3-mini?

Claude 3.7 Sonnet supports 200K tokens and o3-mini 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 Claude 3.7 Sonnet and o3-mini?

Key differences include input pricing ($3.00 vs $1.10/M), multimodal support (yes vs no). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude 3.7 Sonnet and o3-mini?

Claude 3.7 Sonnet is developed by Anthropic and o3-mini is developed by OpenAI.