Claude Opus 4.6vsDeepSeek-V4-Pro-0813
Claude Opus 4.6 | DeepSeek-V4-Pro-0813 | |
|---|---|---|
| Benchmarks | ||
Nonsense detection BullshitBench v2Given a confidently-worded but nonsensical prompt, does the AI spot that it makes no sense and push back — instead of playing along and inventing an answer? The score is how often it clearly called out the nonsense. Higher is better. | 87% | — |
Coding SWE-Bench VerifiedReal coding tasks pulled from open-source projects — the AI has to find and fix actual bugs. A human-checked version of the original SWE-Bench. Higher is better. | 80.8% | — |
Next.js coding Next.js EvalsVercel's open eval of how well AI coding agents build and migrate real Next.js apps — measured as the share of tasks the agent completes successfully. Higher is better. | 75% | — |
Agentic terminal coding Terminal-Bench 2.1Can the AI work in a command-line terminal — running commands and finishing technical setup tasks the way a developer would? Higher is better. | — | 87.9% |
Personal tool use Toolathlon-VerifiedTests how well the AI uses everyday personal tools and apps to get things done — a human-checked version of Toolathlon. Higher is better. | — | 74.1% |
Web browsing BrowseCompCan the AI browse the web and track down hard-to-find answers? Higher is better. | 83.7% | — |
Cybersecurity CyberGymTests the AI on cybersecurity challenges — finding and exploiting software weaknesses inside a safe sandbox. Higher is better. | — | 83.3% |
Multidisciplinary reasoning Humanity's Last Exam · no toolsHumanity's Last Exam — extremely hard expert questions across many subjects, written so you can't just look up the answer. “No tools” means the AI answers on its own. Higher is better. | — | 42.7% |
Multidisciplinary reasoning Humanity's Last Exam · with toolsHumanity's Last Exam — extremely hard expert questions across many subjects. “With tools” means the AI is allowed to search the web or run code while answering. Higher is better. | 53% | 60%Best |
Science GPQA DiamondGraduate-level science questions in biology, physics, and chemistry — hard enough that subject-matter PhDs score around 65%. Higher is better. | 91.3% | — |
Business workflows AutomationBenchTests whether the AI can run real multi-step business workflows — the kind of end-to-end office processes companies want to automate — from start to finish. Higher is better. | — | 31.8% |
Community preference Arena Elo (Text)Real people chat with two anonymous AIs side by side and vote for the answer they prefer. Votes become a chess-style Elo rating on arena.ai — it measures which AI people actually like, not test scores. Higher is better. | 1504 | — |
Community preference (code) Arena Elo (Code)Like the text arena, but people vote on which AI writes better code. The votes become a chess-style Elo rating on arena.ai. Higher is better. | 1543 | — |
| Overview | ||
| Company | Anthropic | DeepSeek |
| Release date | Feb 5 2026 | Aug 13 2026 |
| Access | Proprietary | Proprietary |
Which is better: Claude Opus 4.6 or DeepSeek-V4-Pro-0813?
DeepSeek-V4-Pro-0813 leads Claude Opus 4.6 on 1 of the 1 benchmark they both report (Humanity's Last Exam). Claude Opus 4.6 shipped 189 days before DeepSeek-V4-Pro-0813, so benchmark comparisons should account for the intervening progress.
Published specifications for these two models are limited — see each model page for the latest details.
On Humanity's Last Exam · with tools, DeepSeek-V4-Pro-0813 leads at 60% vs Claude Opus 4.6 at 53%.
Frequently asked questions
Claude Opus 4.6 was released by Anthropic on Feb 5 2026.
DeepSeek-V4-Pro-0813 was released by DeepSeek on Aug 13 2026.
DeepSeek-V4-Pro-0813 leads on Humanity's Last Exam · with tools — Claude Opus 4.6 53% vs DeepSeek-V4-Pro-0813 60%.
Other comparisons
Claude Opus 4.6vsGPT-5.6-CyberDeepSeek-V4-Pro-0813vsGPT-5.6-CyberClaude Opus 4.6vsGemini 3.6 FlashDeepSeek-V4-Pro-0813vsGemini 3.6 FlashClaude Opus 4.6vsMuse GlimmerDeepSeek-V4-Pro-0813vsMuse GlimmerClaude Opus 4.6vsGrok 4.6DeepSeek-V4-Pro-0813vsGrok 4.6Claude Opus 4.6vsMistral Medium 3.5DeepSeek-V4-Pro-0813vsMistral Medium 3.5Claude Opus 4.6vsKimi K3DeepSeek-V4-Pro-0813vsKimi K3