Is DeepSeek Reasoner or Anthropic: Claude Opus 4.1 cheaper?

DeepSeek Reasoner is cheaper on output tokens ($1.68 vs $75.00 per 1M).

Which has the larger context window, DeepSeek Reasoner or Anthropic: Claude Opus 4.1?

Anthropic: Claude Opus 4.1 has the larger context window (200K tokens).

DeepSeek Reasoner vs Anthropic: Claude Opus 4.1

DeepSeek Reasoner is cheaper on output tokens, while Anthropic: Claude Opus 4.1 offers a larger context window. Choose DeepSeek Reasoner or Anthropic: Claude Opus 4.1 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	DeepSeek Reasoner	Anthropic: Claude Opus 4.1
Provider	Helicone	Helicone
Input / 1M tokens	$0.56	$15.00
Output / 1M tokens	$1.68	$75.00
Context window	128K	200K
Parameters	—	—
Open weights	No	No
Released	Jan 2025	Aug 2025

DeepSeek Reasoner details →Anthropic: Claude Opus 4.1 details →

FAQ

Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.