Model Comparison

Claude 3.5 Sonnet vs GPT-4o mini

Claude 3.5 Sonnet significantly outperforms across most benchmarks. GPT-4o mini is 22.9x cheaper per token.

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Performance Benchmarks

Comparative analysis across standard metrics

6 benchmarks

Claude 3.5 Sonnet outperforms in 6 benchmarks (DROP, GPQA, HumanEval, MATH, MGSM, MMLU), while GPT-4o mini is better at 0 benchmarks.

Claude 3.5 Sonnet significantly outperforms across most benchmarks.

Sat May 16 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

GPT-4o mini costs less

For input processing, Claude 3.5 Sonnet ($3.00/1M tokens) is 20.0x more expensive than GPT-4o mini ($0.15/1M tokens).

For output processing, Claude 3.5 Sonnet ($15.00/1M tokens) is 25.0x more expensive than GPT-4o mini ($0.60/1M tokens).

In conclusion, Claude 3.5 Sonnet is more expensive than GPT-4o mini.*

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

Lowest available price from all providers

Sat May 16 2026 • llm-stats.com

Claude 3.5 Sonnet

Input tokens$3.00

Output tokens$15.00

Best providerAWS Bedrock

GPT-4o mini

Input tokens$0.15

Output tokens$0.60

Best providerAzure

Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Claude 3.5 Sonnet accepts 200,000 input tokens compared to GPT-4o mini's 128,000 tokens. Claude 3.5 Sonnet can generate longer responses up to 200,000 tokens, while GPT-4o mini is limited to 16,384 tokens.

Claude 3.5 Sonnet

Input200,000 tokens

Output200,000 tokens

GPT-4o mini

Input128,000 tokens

Output16,384 tokens

Sat May 16 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Claude 3.5 Sonnet and GPT-4o mini support multimodal inputs.

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

Claude 3.5 Sonnet

Text

Images

Audio

Video

GPT-4o 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 3.5 Sonnet

Proprietary

Closed source

GPT-4o mini

Proprietary

Closed source

Release Timeline

When each model was launched

Claude 3.5 Sonnet was released on 2024-06-21, while GPT-4o mini was released on 2024-07-18.

GPT-4o mini is 1 month newer than Claude 3.5 Sonnet.

Claude 3.5 Sonnet

Jun 21, 2024

1.9 years ago

GPT-4o mini

Jul 18, 2024

1.8 years ago

3w newer

Knowledge Cutoff

When training data ends

GPT-4o mini has a documented knowledge cutoff of 2023-10-01, while Claude 3.5 Sonnet's cutoff date is not specified.

We can confirm GPT-4o mini's training data extends to 2023-10-01, but cannot make a direct comparison without Claude 3.5 Sonnet's cutoff date.

Claude 3.5 Sonnet

—

GPT-4o mini

Oct 2023

Provider Availability

Claude 3.5 Sonnet is available from Bedrock, Google. GPT-4o mini is available from Azure.

Claude 3.5 Sonnet

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

GPT-4o mini

Azure

Input Price:Input: $0.15/1MOutput Price:Output: $0.60/1M

* Prices shown are per million tokens

Outputs Comparison

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Key Takeaways

Claude 3.5 Sonnet

View details

Anthropic

Larger context window (200,000 tokens)

Higher DROP score (87.1% vs 79.7%)

Higher GPQA score (59.4% vs 40.2%)

Higher HumanEval score (92.0% vs 87.2%)

Higher MATH score (71.1% vs 70.2%)

Higher MGSM score (91.6% vs 87.0%)

Higher MMLU score (90.4% vs 82.0%)

GPT-4o mini

View details

OpenAI

Less expensive input tokens

Less expensive output tokens

Claude 3.5 Sonnet

GPT-4o mini

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Detailed Comparison

AI Model Comparison Table
Feature	Claude 3.5 Sonnet	GPT-4o mini

FAQ

Common questions about Claude 3.5 Sonnet vs GPT-4o mini.

Which is better, Claude 3.5 Sonnet or GPT-4o mini?

Claude 3.5 Sonnet significantly outperforms across most benchmarks. Claude 3.5 Sonnet is made by Anthropic and GPT-4o mini is made by OpenAI. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Claude 3.5 Sonnet compare to GPT-4o mini in benchmarks?

Claude 3.5 Sonnet scores GSM8k: 96.4%, BIG-Bench Hard: 93.1%, HumanEval: 92.0%, MGSM: 91.6%, MMLU: 90.4%. GPT-4o mini scores HumanEval: 87.2%, MGSM: 87.0%, MMLU: 82.0%, DROP: 79.7%, MATH: 70.2%.

Is Claude 3.5 Sonnet cheaper than GPT-4o mini?

GPT-4o mini is 20.0x cheaper for input tokens. Claude 3.5 Sonnet costs $3.00/M input and $15.00/M output via bedrock. GPT-4o mini costs $0.15/M input and $0.60/M output via azure.

What are the context window sizes for Claude 3.5 Sonnet and GPT-4o mini?

Claude 3.5 Sonnet supports 200K tokens and GPT-4o mini supports 128K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Claude 3.5 Sonnet and GPT-4o mini?

Key differences include context window (200K vs 128K), input pricing ($3.00 vs $0.15/M). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude 3.5 Sonnet and GPT-4o mini?

Claude 3.5 Sonnet is developed by Anthropic and GPT-4o mini is developed by OpenAI.