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Claude 3 Sonnet vs GPT-4o mini

Claude 3 Sonnet and GPT-4o mini are closely matched at 1.8 and 3.7 on the LLM Stats Score. GPT-4o mini is 22.9x cheaper per token.

Anthropic · OpenAI · Updated for 2026

Which is better?

Claude 3 Sonnet and GPT-4o mini are closely matched on the overall LLM Stats Score at 1.8 and 3.7.

In the 6 individual benchmarks reported for both models, GPT-4o mini wins 5; this is a narrower head-to-head signal than the composite indexes.

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.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose Claude 3 Sonnet

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

Choose GPT-4o mini

  • you value its reported benchmark strengths — it wins 5 of 6 exact shared results
  • cost matters — it's about 22.9x cheaper per token
  • you want the most recent training data — it shipped Jul 2024

At a glance

The differences that matter most.

Core performance indexes
1.8
#317
3.7
#305
1.7
#308
4.1
#295
-1.4
#245
-0.6
#242
Cost, coverage & limits
Benchmark wins
1 of 6
5 of 6
Input price
$3.00 / M
$0.15 / M
Output price
$15.00 / M
$0.60 / M
Context window
200,000
128,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
Claude 3 Sonnet
GPT-4o mini
7.4#263
11.4#239
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

11 reported for Claude 3 Sonnet · 9 for GPT-4o mini

6 shared

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.

Thu Sep 10 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

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
Thu Sep 10 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
Thu Sep 10 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

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

2.5 years ago

GPT-4o mini

Jul 18, 2024

2.1 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

Notice missing or incorrect data?Start an Issue discussion

Judge for yourself.

Run your own prompts against Claude 3 Sonnet and GPT-4o mini side-by-side, then vote on the output you prefer.

Claude 3 Sonnet
✓ Preferred
GPT-4o mini
Open in Playground

FAQ

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

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

Claude 3 Sonnet and GPT-4o mini are closely matched on the LLM Stats Score at 1.8 and 3.7. 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 capability indexes, individual benchmarks, pricing, and limits 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 LLM Stats Score (1.8 vs 3.7), 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.