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  1. Home
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DeepSeek V4 Flash 0423 vs Claude Opus 4.6 (Fast)

Compare DeepSeek V4 Flash 0423 from DeepSeek and Claude Opus 4.6 (Fast) from Anthropic on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the OpenRouter API.

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AI Model Comparison

Favicon for deepseek
DeepSeek V4 Flash 0423
Favicon for anthropic
Claude Opus 4.6 (Fast)
Favicon for deepseek
DeepSeek V4 Flash 0423
Favicon for anthropic
Claude Opus 4.6 (Fast)

Overview

DeepSeek V4 Flash 0423
Author
DeepSeek
Claude Opus 4.6 (Fast)
Author
Anthropic
DeepSeek V4 Flash 0423
Context length
1.05Mtokens
Claude Opus 4.6 (Fast)
Context length
1Mtokens
DeepSeek V4 Flash 0423
Reasoning
Claude Opus 4.6 (Fast)
Reasoning
DeepSeek V4 Flash 0423
Input modalities
Claude Opus 4.6 (Fast)
Input modalities
DeepSeek V4 Flash 0423
Output modalities
Claude Opus 4.6 (Fast)
Output modalities

DeepSeek V4 Flash 0423 vs Claude Opus 4.6 (Fast): side-by-side summary

DeepSeek V4 Flash 0423 and Claude Opus 4.6 (Fast) are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

DeepSeek V4 Flash 0423, from DeepSeek, has a 1,048,576-token context window and is priced at $0.05/M tokens input, $0.14/M tokens output on OpenRouter.

Claude Opus 4.6 (Fast), from Anthropic, has a 1,000,000-token context window and is priced by the provider serving it on OpenRouter.

Context window
  • DeepSeek V4 Flash 0423: 1,048,576 tokens
  • Claude Opus 4.6 (Fast): 1,000,000 tokens
Price
  • DeepSeek V4 Flash 0423: $0.05/M tokens input, $0.14/M tokens output
  • Claude Opus 4.6 (Fast): Pricing varies by provider
Provided by
  • DeepSeek V4 Flash 0423: DeepSeek
  • Claude Opus 4.6 (Fast): Anthropic
  • DeepSeek V4 Flash 0423 model details, providers and pricing
  • Claude Opus 4.6 (Fast) model details, providers and pricing