Model Comparison

GPT-4o mini vs Claude 3.5 Sonnet

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

9 benchmarks

GPT-4o mini outperforms in 0 benchmarks, while Claude 3.5 Sonnet is better at 9 benchmarks (DROP, GPQA, HumanEval, MATH, MathVista, MGSM, MMLU, MMMU, SWE-Bench Verified).

Claude 3.5 Sonnet significantly outperforms across most benchmarks.

Fri Apr 03 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

GPT-4o mini costs less

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

For output processing, GPT-4o mini ($0.60/1M tokens) is 25.0x cheaper than Claude 3.5 Sonnet ($15.00/1M 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
Fri Apr 03 2026 • llm-stats.com
OpenAI
GPT-4o mini
Input tokens$0.15
Output tokens$0.60
Best providerAzure
Anthropic
Claude 3.5 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 3.5 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.

OpenAI
GPT-4o mini
Input128,000 tokens
Output16,384 tokens
Anthropic
Claude 3.5 Sonnet
Input200,000 tokens
Output200,000 tokens
Fri Apr 03 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

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

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

GPT-4o mini

Text
Images
Audio
Video

Claude 3.5 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 mini

Proprietary

Closed source

Claude 3.5 Sonnet

Proprietary

Closed source

Release Timeline

When each model was launched

GPT-4o mini was released on 2024-07-18, while Claude 3.5 Sonnet was released on 2024-10-22.

Claude 3.5 Sonnet is 3 months newer than GPT-4o mini.

GPT-4o mini

Jul 18, 2024

1.7 years ago

Claude 3.5 Sonnet

Oct 22, 2024

1.4 years ago

3mo 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.

GPT-4o mini

Oct 2023

Claude 3.5 Sonnet

—

Provider Availability

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

GPT-4o mini

azure logo
Azure
Input Price:Input: $0.15/1MOutput Price:Output: $0.60/1M

Claude 3.5 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
Less expensive input tokens
Less expensive output tokens
Anthropic
Larger context window (200,000 tokens)
Higher DROP score (87.1% vs 79.7%)
Higher GPQA score (67.2% vs 40.2%)
Higher HumanEval score (93.7% vs 87.2%)
Higher MATH score (78.3% vs 70.2%)
Higher MathVista score (67.7% vs 56.7%)
Higher MGSM score (91.6% vs 87.0%)
Higher MMLU score (90.4% vs 82.0%)
Higher MMMU score (68.3% vs 59.4%)
Higher SWE-Bench Verified score (49.0% vs 8.7%)

Detailed Comparison

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

FAQ

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

Claude 3.5 Sonnet significantly outperforms across most benchmarks. GPT-4o mini is made by OpenAI and Claude 3.5 Sonnet is made by Anthropic. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.
GPT-4o mini scores HumanEval: 87.2%, MGSM: 87.0%, MMLU: 82.0%, DROP: 79.7%, MATH: 70.2%. Claude 3.5 Sonnet scores GSM8k: 96.4%, DocVQA: 95.2%, AI2D: 94.7%, HumanEval: 93.7%, BIG-Bench Hard: 93.1%.
GPT-4o mini is 20.0x cheaper for input tokens. GPT-4o mini costs $0.15/M input and $0.60/M output via azure. Claude 3.5 Sonnet costs $3.00/M input and $15.00/M output via anthropic.
GPT-4o mini supports 128K tokens and Claude 3.5 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 (128K vs 200K), input pricing ($0.15 vs $3.00/M). See the full comparison above for benchmark-by-benchmark results.
GPT-4o mini is developed by OpenAI and Claude 3.5 Sonnet is developed by Anthropic.