Model Comparison

Claude Opus 4 vs GPT-4.1

Claude Opus 4 significantly outperforms across most benchmarks. GPT-4.1 is 8.6x cheaper per token.

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Performance Benchmarks

Comparative analysis across standard metrics

6 benchmarks

Claude Opus 4 outperforms in 6 benchmarks (AIME 2025, GPQA, MMMLU, SWE-Bench Verified, TAU-bench Airline, TAU-bench Retail), while GPT-4.1 is better at 0 benchmarks.

Claude Opus 4 significantly outperforms across most benchmarks.

Wed May 13 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

GPT-4.1 costs less

For input processing, Claude Opus 4 ($15.00/1M tokens) is 7.5x more expensive than GPT-4.1 ($2.00/1M tokens).

For output processing, Claude Opus 4 ($75.00/1M tokens) is 9.4x more expensive than GPT-4.1 ($8.00/1M tokens).

In conclusion, Claude Opus 4 is more expensive than GPT-4.1.*

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

Lowest available price from all providers

Wed May 13 2026 • llm-stats.com

Claude Opus 4

Input tokens$15.00

Output tokens$75.00

Best providerAnthropic

GPT-4.1

Input tokens$2.00

Output tokens$8.00

Best providerOpenAI

Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

GPT-4.1 accepts 1,047,576 input tokens compared to Claude Opus 4's 200,000 tokens. GPT-4.1 can generate longer responses up to 32,768 tokens, while Claude Opus 4 is limited to 32,000 tokens.

Claude Opus 4

Input200,000 tokens

Output32,000 tokens

GPT-4.1

Input1,047,576 tokens

Output32,768 tokens

Wed May 13 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Claude Opus 4 and GPT-4.1 support multimodal inputs.

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

Claude Opus 4

Text

Images

Audio

Video

GPT-4.1

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 Opus 4

Proprietary

Closed source

GPT-4.1

Proprietary

Closed source

Release Timeline

When each model was launched

Claude Opus 4 was released on 2025-05-22, while GPT-4.1 was released on 2025-04-14.

Claude Opus 4 is 1 month newer than GPT-4.1.

Claude Opus 4

May 22, 2025

11 months ago

1mo newer

GPT-4.1

Apr 14, 2025

1.1 years ago

Knowledge Cutoff

When training data ends

GPT-4.1 has a documented knowledge cutoff of 2024-06-01, while Claude Opus 4's cutoff date is not specified.

We can confirm GPT-4.1's training data extends to 2024-06-01, but cannot make a direct comparison without Claude Opus 4's cutoff date.

Claude Opus 4

—

GPT-4.1

Jun 2024

Provider Availability

Claude Opus 4 is available from Anthropic, Bedrock, Google. GPT-4.1 is available from OpenAI.

Claude Opus 4

Anthropic

Input Price:Input: $15.00/1MOutput Price:Output: $75.00/1M

AWS Bedrock

Input Price:Input: $15.00/1MOutput Price:Output: $75.00/1M

Google

Input Price:Input: $15.00/1MOutput Price:Output: $75.00/1M

GPT-4.1

OpenAI

Input Price:Input: $2.00/1MOutput Price:Output: $8.00/1M

* Prices shown are per million tokens

Outputs Comparison

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Key Takeaways

Claude Opus 4

View details

Anthropic

Higher AIME 2025 score (75.5% vs 46.4%)

Higher GPQA score (79.6% vs 66.3%)

Higher MMMLU score (88.8% vs 87.3%)

Higher SWE-Bench Verified score (72.5% vs 54.6%)

Higher TAU-bench Airline score (59.6% vs 49.4%)

Higher TAU-bench Retail score (81.4% vs 68.0%)

GPT-4.1

View details

OpenAI

Larger context window (1,047,576 tokens)

Less expensive input tokens

Less expensive output tokens

Claude Opus 4

GPT-4.1

Compare in Playground

Detailed Comparison

AI Model Comparison Table
Feature	Claude Opus 4	GPT-4.1

FAQ

Common questions about Claude Opus 4 vs GPT-4.1.

Which is better, Claude Opus 4 or GPT-4.1?

Claude Opus 4 significantly outperforms across most benchmarks. Claude Opus 4 is made by Anthropic and GPT-4.1 is made by OpenAI. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Claude Opus 4 compare to GPT-4.1 in benchmarks?

Claude Opus 4 scores MMMLU: 88.8%, TAU-bench Retail: 81.4%, GPQA: 79.6%, MMMU (validation): 76.5%, AIME 2025: 75.5%. GPT-4.1 scores MMLU: 90.2%, CharXiv-D: 87.9%, IFEval: 87.4%, MMMLU: 87.3%, MMMU: 74.8%.

Is Claude Opus 4 cheaper than GPT-4.1?

GPT-4.1 is 7.5x cheaper for input tokens. Claude Opus 4 costs $15.00/M input and $75.00/M output via anthropic. GPT-4.1 costs $2.00/M input and $8.00/M output via openai.

What are the context window sizes for Claude Opus 4 and GPT-4.1?

Claude Opus 4 supports 200K tokens and GPT-4.1 supports 1.0M tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Claude Opus 4 and GPT-4.1?

Key differences include context window (200K vs 1.0M), input pricing ($15.00 vs $2.00/M). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Opus 4 and GPT-4.1?

Claude Opus 4 is developed by Anthropic and GPT-4.1 is developed by OpenAI.