Model Comparison
Claude Opus 4.6 vs DeepSeek-V4-Pro-MaxWhich is better in 2026?
Claude Opus 4.6 shows notably better performance in the majority of benchmarks. DeepSeek-V4-Pro-Max is 4.6x cheaper per token.
Verdict: Claude Opus 4.6 vs DeepSeek-V4-Pro-Max — which is better?
Claude Opus 4.6 (by Anthropic) and DeepSeek-V4-Pro-Max (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 4.6 outperforms in 6 benchmarks (BrowseComp, GDPval-AA, GPQA, Humanity's Last Exam, SWE-bench Multilingual, SWE-Bench Verified), while DeepSeek-V4-Pro-Max is better at 2 benchmarks (MCP Atlas, Terminal-Bench 2.0). Claude Opus 4.6 shows notably better performance in the majority of benchmarks.
On price, DeepSeek-V4-Pro-Max is roughly 4.6x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
DeepSeek-V4-Pro-Max also accepts a larger context window (1,048,576 input tokens), making it the stronger choice for long documents and large codebases.
Choose Claude Opus 4.6 if…
- you want the strongest raw capability — it leads on 6 of 8 shared benchmarks
Choose DeepSeek-V4-Pro-Max if…
- cost matters — it's about 4.6x cheaper per token
- you process long inputs — it offers a 1,048,576 token context window
- you want the most recent training data — it shipped Apr 2026
- you need open weights you can self-host or fine-tune
Performance Benchmarks
Comparative analysis across standard metrics
Claude Opus 4.6 outperforms in 6 benchmarks (BrowseComp, GDPval-AA, GPQA, Humanity's Last Exam, SWE-bench Multilingual, SWE-Bench Verified), while DeepSeek-V4-Pro-Max is better at 2 benchmarks (MCP Atlas, Terminal-Bench 2.0).
Claude Opus 4.6 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 4.6 ($5.00/1M tokens) is 2.9x more expensive than DeepSeek-V4-Pro-Max ($1.74/1M tokens).
For output processing, Claude Opus 4.6 ($25.00/1M tokens) is 7.2x more expensive than DeepSeek-V4-Pro-Max ($3.48/1M tokens).
In conclusion, Claude Opus 4.6 is more expensive than DeepSeek-V4-Pro-Max.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
DeepSeek-V4-Pro-Max accepts 1,048,576 input tokens compared to Claude Opus 4.6's 1,000,000 tokens. Claude Opus 4.6 can generate longer responses up to 128,000 tokens, while DeepSeek-V4-Pro-Max is limited to 65,536 tokens.
Input Capabilities
Supported data types and modalities
Claude Opus 4.6 supports multimodal inputs, whereas DeepSeek-V4-Pro-Max does not.
Claude Opus 4.6 can handle both text and other forms of data like images, making it suitable for multimodal applications.
Claude Opus 4.6
DeepSeek-V4-Pro-Max
License
Usage and distribution terms
Claude Opus 4.6 is licensed under a proprietary license, while DeepSeek-V4-Pro-Max 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 4.6 was released on 2026-02-05, while DeepSeek-V4-Pro-Max was released on 2026-04-23.
DeepSeek-V4-Pro-Max is 3 months newer than Claude Opus 4.6.
Feb 5, 2026
4 months ago
Apr 23, 2026
1 months ago
2mo 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 4.6 is available from Anthropic. DeepSeek-V4-Pro-Max is available from DeepInfra, DeepSeek.
Claude Opus 4.6
DeepSeek-V4-Pro-Max
Outputs Comparison
Key Takeaways
Claude Opus 4.6
View detailsAnthropic
DeepSeek-V4-Pro-Max
View detailsDeepSeek
Detailed Comparison
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FAQ
Common questions about Claude Opus 4.6 vs DeepSeek-V4-Pro-Max.