Claude Opus 4.8 vs DeepSeek-V4-Pro-0813
DeepSeek-V4-Pro-0813 significantly outperforms across most benchmarks. DeepSeek-V4-Pro-0813 is 18.4x cheaper per token.
Anthropic · DeepSeek · Updated for 2026
Which is better?
Claude Opus 4.8 outperforms in 0 benchmarks, while DeepSeek-V4-Pro-0813 is better at 3 benchmarks (CyberGym, Humanity's Last Exam, Toolathlon). DeepSeek-V4-Pro-0813 significantly outperforms across most benchmarks.
On price, DeepSeek-V4-Pro-0813 is roughly 18.4x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
DeepSeek-V4-Pro-0813 also accepts a larger context window (1,048,576 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 4.8
- you want predictable pricing at $5.00/M input and $25.00/M output
Choose DeepSeek-V4-Pro-0813
- you want the strongest raw capability — it leads on 3 of 3 shared benchmarks
- cost matters — it's about 18.4x 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 Aug 2026
- you need open weights you can self-host or fine-tune
At a glance
The differences that matter most.
Performance Benchmarks
Comparative analysis across standard metrics
Claude Opus 4.8 outperforms in 0 benchmarks, while DeepSeek-V4-Pro-0813 is better at 3 benchmarks (CyberGym, Humanity's Last Exam, Toolathlon).
DeepSeek-V4-Pro-0813 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 4.8 ($5.00/1M tokens) is 11.5x more expensive than DeepSeek-V4-Pro-0813 ($0.43/1M tokens).
For output processing, Claude Opus 4.8 ($25.00/1M tokens) is 28.7x more expensive than DeepSeek-V4-Pro-0813 ($0.87/1M tokens).
In conclusion, Claude Opus 4.8 is more expensive than DeepSeek-V4-Pro-0813.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
DeepSeek-V4-Pro-0813 accepts 1,048,576 input tokens compared to Claude Opus 4.8's 1,000,000 tokens. DeepSeek-V4-Pro-0813 can generate longer responses up to 393,216 tokens, while Claude Opus 4.8 is limited to 128,000 tokens.
Input Capabilities
Supported data types and modalities
Claude Opus 4.8 supports multimodal inputs, whereas DeepSeek-V4-Pro-0813 does not.
Claude Opus 4.8 can handle both text and other forms of data like images, making it suitable for multimodal applications.
Claude Opus 4.8
DeepSeek-V4-Pro-0813
License
Usage and distribution terms
Claude Opus 4.8 is licensed under a proprietary license, while DeepSeek-V4-Pro-0813 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 4.8 was released on 2026-05-28, while DeepSeek-V4-Pro-0813 was released on 2026-08-13.
DeepSeek-V4-Pro-0813 is 3 months newer than Claude Opus 4.8.
May 28, 2026
2 months ago
Aug 13, 2026
1 weeks 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 4.8 is available from Anthropic, Vertex AI. DeepSeek-V4-Pro-0813 is available from DeepSeek, DeepInfra, Novita, Together.
Claude Opus 4.8
DeepSeek-V4-Pro-0813
Outputs Comparison
Judge for yourself.
Run your own prompts against Claude Opus 4.8 and DeepSeek-V4-Pro-0813 side-by-side, then vote on the output you prefer.
FAQ
Common questions about Claude Opus 4.8 vs DeepSeek-V4-Pro-0813.