Model Comparison

GPT-4o mini vs Claude 3 Opus

Claude 3 Opus shows notably better performance in the majority of benchmarks. GPT-4o mini is 114.3x cheaper per token.

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Performance Benchmarks

Comparative analysis across standard metrics

6 benchmarks

GPT-4o mini outperforms in 2 benchmarks (HumanEval, MATH), while Claude 3 Opus is better at 4 benchmarks (DROP, GPQA, MGSM, MMLU).

Claude 3 Opus shows notably better performance in the majority of benchmarks.

Wed Apr 22 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 100.0x cheaper than Claude 3 Opus ($15.00/1M tokens).

For output processing, GPT-4o mini ($0.60/1M tokens) is 125.0x cheaper than Claude 3 Opus ($75.00/1M tokens).

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

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

Lowest available price from all providers
Wed Apr 22 2026 • llm-stats.com
OpenAI
GPT-4o mini
Input tokens$0.15
Output tokens$0.60
Best providerAzure
Anthropic
Claude 3 Opus
Input tokens$15.00
Output tokens$75.00
Best providerAnthropic
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Claude 3 Opus accepts 200,000 input tokens compared to GPT-4o mini's 128,000 tokens. Claude 3 Opus 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 Opus
Input200,000 tokens
Output200,000 tokens
Wed Apr 22 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both GPT-4o mini and Claude 3 Opus 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 Opus

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 Opus

Proprietary

Closed source

Release Timeline

When each model was launched

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

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

GPT-4o mini

Jul 18, 2024

1.8 years ago

4mo newer
Claude 3 Opus

Feb 29, 2024

2.1 years ago

Knowledge Cutoff

When training data ends

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

GPT-4o mini

Oct 2023

Claude 3 Opus

—

Provider Availability

GPT-4o mini is available from Azure. Claude 3 Opus 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 Opus

anthropic logo
Anthropic
Input Price:Input: $15.00/1MOutput Price:Output: $75.00/1M
bedrock logo
AWS Bedrock
Input Price:Input: $15.00/1MOutput Price:Output: $75.00/1M
google logo
Google
Input Price:Input: $15.00/1MOutput Price:Output: $75.00/1M
* Prices shown are per million tokens

Outputs Comparison

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Key Takeaways

OpenAI
Less expensive input tokens
Less expensive output tokens
Higher HumanEval score (87.2% vs 84.9%)
Higher MATH score (70.2% vs 60.1%)
Anthropic
Larger context window (200,000 tokens)
Higher DROP score (83.1% vs 79.7%)
Higher GPQA score (50.4% vs 40.2%)
Higher MGSM score (90.7% vs 87.0%)
Higher MMLU score (86.8% vs 82.0%)

Detailed Comparison

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

FAQ

Common questions about GPT-4o mini vs Claude 3 Opus

Claude 3 Opus shows notably better performance in the majority of benchmarks. GPT-4o mini is made by OpenAI and Claude 3 Opus 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 Opus scores ARC-C: 96.4%, HellaSwag: 95.4%, GSM8k: 95.0%, MGSM: 90.7%, BIG-Bench Hard: 86.8%.
GPT-4o mini is 100.0x cheaper for input tokens. GPT-4o mini costs $0.15/M input and $0.60/M output via azure. Claude 3 Opus costs $15.00/M input and $75.00/M output via anthropic.
GPT-4o mini supports 128K tokens and Claude 3 Opus 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 $15.00/M). See the full comparison above for benchmark-by-benchmark results.
GPT-4o mini is developed by OpenAI and Claude 3 Opus is developed by Anthropic.