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DeepSeek V4 vs Claude Opus 4.6

Comprehensive comparison between DeepSeek's DeepSeek V4 and Anthropic's Claude Opus 4.6. Compare pricing, performance, features, and user reviews.

deepseek v4 vs claudeopen source vs closed ai 2026deepseek vs anthropic

DeepSeek V4

DeepSeek

DeepSeek's trillion-parameter MoE model with only 32B active parameters. 1M context window, native multimodal (text/image/video), and API pricing at ~1/20th of GPT-5. The fastest adopted open-source model in history, capturing 6% global market share within months.

$0.14/$0.28per M tokens
Details

Claude Opus 4.6

Anthropic

Anthropic's flagship model with 1M token context (now default), adaptive thinking, and the highest agentic coding scores. Introduced Agent Teams for parallel autonomous coding. Nearly doubled ARC-AGI-2 score over Opus 4.5 (68.8% vs 37.6%).

$5/$25per M tokens
Details

Specs Comparison

SpecificationDeepSeek V4Claude Opus 4.6
Context Window1000K1000K
Max Output66K128K
Input (per 1M tokens)$0.14$5.00
Output (per 1M tokens)$0.28$25.00
Reasoning
Open Source

Scenario Score Comparison

Coding
—
vs
96
Writing
—
vs
91

DeepSeek V4

Pros

  • + 1M token context window
  • + Native multimodal (text/image/video)
  • + Price 1/20th of proprietary models
  • + Open-source & self-hostable
  • + Matches frontier model performance

Cons

  • − Servers in China (latency for overseas users)
  • − Geopolitical supply chain concerns
  • − Self-hosting requires significant hardware

Claude Opus 4.6

Pros

  • + Highest SWE-bench score (80.8%)
  • + 128K max output (doubled from 4.5)
  • + Adaptive thinking with effort levels
  • + Agent Teams for parallel coding
  • + Best instruction following in complex contexts

Cons

  • − 2x price of GPT-5.4
  • − Response prefilling removed (breaking change)
  • − Extended thinking deprecated
  • − Rate limits can be hit quickly on entry-level plans

Recommendation

Choose DeepSeek V4 if you:

  • • Need 1m token context window
  • • Need native multimodal (text/image/video)
  • • Need price 1/20th of proprietary models

Choose Claude Opus 4.6 if you:

  • • Need highest swe-bench score (80.8%)
  • • Need 128k max output (doubled from 4.5)
  • • Need adaptive thinking with effort levels

Based on scores across 2 scenarios, Claude Opus 4.6 performs better overall.

DeepSeek V4 Details Claude Opus 4.6 Details

Get Started with DeepSeek V4

1Visit the provider's website
2Create an account
3Start using the model

Get Started with Claude Opus 4.6

1Sign up at claude.ai
2Choose Pro ($20/mo) for Opus access
3Start chatting or try Claude Code

💡 Free tier uses Sonnet. Upgrade to Pro for Opus.

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