Is DeepSeek V3 or Anthropic: Claude Opus 4.5 cheaper?

DeepSeek V3 is cheaper on output tokens ($1.68 vs $25.00 per 1M).

Which has the larger context window, DeepSeek V3 or Anthropic: Claude Opus 4.5?

Anthropic: Claude Opus 4.5 has the larger context window (200K tokens).

DeepSeek V3 vs Anthropic: Claude Opus 4.5

DeepSeek V3 is cheaper on output tokens, while Anthropic: Claude Opus 4.5 offers a larger context window. Choose DeepSeek V3 or Anthropic: Claude Opus 4.5 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	DeepSeek V3	Anthropic: Claude Opus 4.5
Provider	Helicone	Helicone
Input / 1M tokens	$0.56	$5.00
Output / 1M tokens	$1.68	$25.00
Context window	128K	200K
Parameters	671B	—
Open weights	No	No
Released	Dec 2024	Nov 2025

DeepSeek V3 details →Anthropic: Claude Opus 4.5 details →

FAQ

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