Model Comparison

Claude 3 Sonnet vs GPT-4o miniWhich is better in 2026?

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

Verdict: Claude 3 Sonnet vs GPT-4o mini — which is better?

Claude 3 Sonnet (by Anthropic) and GPT-4o mini (by OpenAI) 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.

Claude 3 Sonnet outperforms in 1 benchmarks (GPQA), while GPT-4o mini is better at 5 benchmarks (DROP, HumanEval, MATH, MGSM, MMLU). GPT-4o mini significantly outperforms across most benchmarks.

On price, GPT-4o mini is roughly 22.9x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Claude 3 Sonnet also accepts a larger context window (200,000 input tokens), making it the stronger choice for long documents and large codebases.

Choose Claude 3 Sonnet if…

  • you process long inputs — it offers a 200,000 token context window

Choose GPT-4o mini if…

  • you want the strongest raw capability — it leads on 5 of 6 shared benchmarks
  • cost matters — it's about 22.9x cheaper per token
  • you want the most recent training data — it shipped Jul 2024

Performance Benchmarks

Comparative analysis across standard metrics

6 benchmarks

Claude 3 Sonnet outperforms in 1 benchmarks (GPQA), while GPT-4o mini is better at 5 benchmarks (DROP, HumanEval, MATH, MGSM, MMLU).

GPT-4o mini significantly outperforms across most benchmarks.

Sun Jun 07 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 Sonnet ($3.00/1M tokens) is 20.0x more expensive than GPT-4o mini ($0.15/1M tokens).

For output processing, Claude 3 Sonnet ($15.00/1M tokens) is 25.0x more expensive than GPT-4o mini ($0.60/1M tokens).

In conclusion, Claude 3 Sonnet is more expensive than GPT-4o mini.*

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

Lowest available price from all providers
Sun Jun 07 2026 • llm-stats.com
Anthropic
Claude 3 Sonnet
Input tokens$3.00
Output tokens$15.00
Best providerAnthropic
OpenAI
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 Sonnet accepts 200,000 input tokens compared to GPT-4o mini's 128,000 tokens. Claude 3 Sonnet can generate longer responses up to 200,000 tokens, while GPT-4o mini is limited to 16,384 tokens.

Anthropic
Claude 3 Sonnet
Input200,000 tokens
Output200,000 tokens
OpenAI
GPT-4o mini
Input128,000 tokens
Output16,384 tokens
Sun Jun 07 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Claude 3 Sonnet and GPT-4o mini support multimodal inputs.

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

Claude 3 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 Sonnet

Proprietary

Closed source

GPT-4o mini

Proprietary

Closed source

Release Timeline

When each model was launched

Claude 3 Sonnet was released on 2024-02-29, while GPT-4o mini was released on 2024-07-18.

GPT-4o mini is 5 months newer than Claude 3 Sonnet.

Claude 3 Sonnet

Feb 29, 2024

2.3 years ago

GPT-4o mini

Jul 18, 2024

1.9 years ago

4mo newer

Knowledge Cutoff

When training data ends

GPT-4o mini has a documented knowledge cutoff of 2023-10-01, while Claude 3 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 Sonnet's cutoff date.

Claude 3 Sonnet

GPT-4o mini

Oct 2023

Provider Availability

Claude 3 Sonnet is available from Anthropic, Bedrock, Google. GPT-4o mini is available from Azure.

Claude 3 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

GPT-4o mini

azure logo
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

Larger context window (200,000 tokens)
Higher GPQA score (40.4% vs 40.2%)
Less expensive input tokens
Less expensive output tokens
Higher DROP score (79.7% vs 78.9%)
Higher HumanEval score (87.2% vs 73.0%)
Higher MATH score (70.2% vs 43.1%)
Higher MGSM score (87.0% vs 83.5%)
Higher MMLU score (82.0% vs 79.0%)

Detailed Comparison

AI Model Comparison Table
Feature
Anthropic
Claude 3 Sonnet
OpenAI
GPT-4o mini

FAQ

Common questions about Claude 3 Sonnet vs GPT-4o mini.

Which is better, Claude 3 Sonnet or GPT-4o mini?

GPT-4o mini significantly outperforms across most benchmarks. Claude 3 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 Sonnet compare to GPT-4o mini in benchmarks?

Claude 3 Sonnet scores ARC-C: 93.2%, GSM8k: 92.3%, HellaSwag: 89.0%, MGSM: 83.5%, BIG-Bench Hard: 82.9%. GPT-4o mini scores HumanEval: 87.2%, MGSM: 87.0%, MMLU: 82.0%, DROP: 79.7%, MATH: 70.2%.

Is Claude 3 Sonnet cheaper than GPT-4o mini?

GPT-4o mini is 20.0x cheaper for input tokens. Claude 3 Sonnet costs $3.00/M input and $15.00/M output via anthropic. GPT-4o mini costs $0.15/M input and $0.60/M output via azure.

What are the context window sizes for Claude 3 Sonnet and GPT-4o mini?

Claude 3 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 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 Sonnet and GPT-4o mini?

Claude 3 Sonnet is developed by Anthropic and GPT-4o mini is developed by OpenAI.