Claude Opus 4.1 vs GPT-5.2
GPT-5.2 significantly outperforms across most benchmarks. GPT-5.2 is 6.2x cheaper per token.
Anthropic · OpenAI · Updated for 2026
Which is better?
Claude Opus 4.1 outperforms in 0 benchmarks, while GPT-5.2 is better at 4 benchmarks (AIME 2025, GPQA, MMMLU, SWE-Bench Verified). GPT-5.2 significantly outperforms across most benchmarks.
On price, GPT-5.2 is roughly 6.2x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
GPT-5.2 also accepts a larger context window (400,000 input tokens), making it the stronger choice for long documents and large codebases.
Based on current benchmark, pricing, and model metadata for 2026.
Choose Claude Opus 4.1
- you want predictable pricing at $15.00/M input and $75.00/M output
Choose GPT-5.2
- you want the strongest raw capability — it leads on 4 of 4 shared benchmarks
- cost matters — it's about 6.2x cheaper per token
- you process long inputs — it offers a 400,000 token context window
- you want the most recent training data — it shipped Dec 2025
At a glance
The differences that matter most.
Performance Benchmarks
Comparative analysis across standard metrics
Claude Opus 4.1 outperforms in 0 benchmarks, while GPT-5.2 is better at 4 benchmarks (AIME 2025, GPQA, MMMLU, SWE-Bench Verified).
GPT-5.2 significantly outperforms across most benchmarks.
Arena Performance
Playground indexes and blind preference scores
Pricing Analysis
Price comparison per million tokens
For input processing, Claude Opus 4.1 ($15.00/1M tokens) is 8.6x more expensive than GPT-5.2 ($1.75/1M tokens).
For output processing, Claude Opus 4.1 ($75.00/1M tokens) is 5.4x more expensive than GPT-5.2 ($14.00/1M tokens).
In conclusion, Claude Opus 4.1 is more expensive than GPT-5.2.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
GPT-5.2 accepts 400,000 input tokens compared to Claude Opus 4.1's 200,000 tokens. GPT-5.2 can generate longer responses up to 128,000 tokens, while Claude Opus 4.1 is limited to 32,000 tokens.
Input Capabilities
Supported data types and modalities
Both Claude Opus 4.1 and GPT-5.2 support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
Claude Opus 4.1
GPT-5.2
License
Usage and distribution terms
Both models are licensed under proprietary licenses.
Both models have usage restrictions defined by their respective organizations.
Proprietary
Closed source
Proprietary
Closed source
Release Timeline
When each model was launched
Claude Opus 4.1 was released on 2025-08-05, while GPT-5.2 was released on 2025-12-11.
GPT-5.2 is 4 months newer than Claude Opus 4.1.
Aug 5, 2025
1.1 years ago
Dec 11, 2025
8 months ago
4mo newerKnowledge Cutoff
When training data ends
GPT-5.2 has a documented knowledge cutoff of 2025-08-25, while Claude Opus 4.1's cutoff date is not specified.
We can confirm GPT-5.2's training data extends to 2025-08-25, but cannot make a direct comparison without Claude Opus 4.1's cutoff date.
—
Aug 2025
Provider Availability
Claude Opus 4.1 is available from Anthropic, Bedrock, Google. GPT-5.2 is available from OpenAI.
Claude Opus 4.1
GPT-5.2
Outputs Comparison
Judge for yourself.
Run your own prompts against Claude Opus 4.1 and GPT-5.2 side-by-side, then vote on the output you prefer.
FAQ
Common questions about Claude Opus 4.1 vs GPT-5.2.