Model Comparison
Claude Opus 4.1 vs DeepSeek-V3.2-ExpWhich is better in 2026?
Claude Opus 4.1 shows notably better performance in the majority of benchmarks. DeepSeek-V3.2-Exp is 98.4x cheaper per token.
Verdict: Claude Opus 4.1 vs DeepSeek-V3.2-Exp — which is better?
Claude Opus 4.1 (by Anthropic) and DeepSeek-V3.2-Exp (by DeepSeek) 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 Opus 4.1 outperforms in 3 benchmarks (GPQA, SWE-Bench Verified, Terminal-Bench), while DeepSeek-V3.2-Exp is better at 1 benchmark (AIME 2025). Claude Opus 4.1 shows notably better performance in the majority of benchmarks.
On price, DeepSeek-V3.2-Exp is roughly 98.4x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
Claude Opus 4.1 also accepts a larger context window (200,000 input tokens), making it the stronger choice for long documents and large codebases.
Choose Claude Opus 4.1 if…
- you want the strongest raw capability — it leads on 3 of 4 shared benchmarks
- you process long inputs — it offers a 200,000 token context window
Choose DeepSeek-V3.2-Exp if…
- cost matters — it's about 98.4x cheaper per token
- you want the most recent training data — it shipped Sep 2025
- you need open weights you can self-host or fine-tune
Performance Benchmarks
Comparative analysis across standard metrics
Claude Opus 4.1 outperforms in 3 benchmarks (GPQA, SWE-Bench Verified, Terminal-Bench), while DeepSeek-V3.2-Exp is better at 1 benchmark (AIME 2025).
Claude Opus 4.1 shows notably better performance in the majority of benchmarks.
Arena Performance
Human preference votes
Pricing Analysis
Price comparison per million tokens
For input processing, Claude Opus 4.1 ($15.00/1M tokens) is 55.6x more expensive than DeepSeek-V3.2-Exp ($0.27/1M tokens).
For output processing, Claude Opus 4.1 ($75.00/1M tokens) is 182.9x more expensive than DeepSeek-V3.2-Exp ($0.41/1M tokens).
In conclusion, Claude Opus 4.1 is more expensive than DeepSeek-V3.2-Exp.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
Claude Opus 4.1 accepts 200,000 input tokens compared to DeepSeek-V3.2-Exp's 163,840 tokens. DeepSeek-V3.2-Exp can generate longer responses up to 65,536 tokens, while Claude Opus 4.1 is limited to 32,000 tokens.
Input Capabilities
Supported data types and modalities
Claude Opus 4.1 supports multimodal inputs, whereas DeepSeek-V3.2-Exp does not.
Claude Opus 4.1 can handle both text and other forms of data like images, making it suitable for multimodal applications.
Claude Opus 4.1
DeepSeek-V3.2-Exp
License
Usage and distribution terms
Claude Opus 4.1 is licensed under a proprietary license, while DeepSeek-V3.2-Exp uses MIT.
License differences may affect how you can use these models in commercial or open-source projects.
Proprietary
Closed source
MIT
Open weights
Release Timeline
When each model was launched
Claude Opus 4.1 was released on 2025-08-05, while DeepSeek-V3.2-Exp was released on 2025-09-29.
DeepSeek-V3.2-Exp is 2 months newer than Claude Opus 4.1.
Aug 5, 2025
10 months ago
Sep 29, 2025
8 months ago
1mo newerKnowledge Cutoff
When training data ends
Neither model specifies a knowledge cutoff date.
Unable to compare the recency of their training data.
Provider Availability
Claude Opus 4.1 is available from Anthropic, Bedrock, Google. DeepSeek-V3.2-Exp is available from Novita.
Claude Opus 4.1
DeepSeek-V3.2-Exp
Outputs Comparison
Key Takeaways
Claude Opus 4.1
View detailsAnthropic
DeepSeek-V3.2-Exp
View detailsDeepSeek
Detailed Comparison
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FAQ
Common questions about Claude Opus 4.1 vs DeepSeek-V3.2-Exp.