Is DeepSeek V4 cheaper than GPT-5?

DeepSeek V4 is cheaper, at $0.40 per 1M input tokens versus $10.00.

Which has the larger context window, DeepSeek V4 or GPT-5?

Both support 256K tokens of context.

Name: DeepSeek V4
Brand: DeepSeek
Price: 0.4 USD
Availability: InStock

DeepSeek V4 is cheaper on input ($0.40 vs $10.00 per 1M tokens).

Spec	DeepSeek V4	GPT-5
Provider	DeepSeek	OpenAI
Modality	Text	Text + Vision
Context window	256K	256K
Input / 1M	$0.40best	$10.00
Output / 1M	$1.20best	$30.00
Released	Jan 2026	Dec 2025
Best for	Code generation, Chat / Assistant, High-volume / cheap	Chat / Assistant, Code generation, Image / Vision

Is DeepSeek V4 cheaper than GPT-5?: DeepSeek V4 is cheaper, at $0.40 per 1M input tokens versus $10.00.
Which has the larger context window, DeepSeek V4 or GPT-5?: Both support 256K tokens of context.