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	Claude Haiku 4.5 Anthropic Legacy	GPT-6.1 Terra OpenAI
Input	$1.00, Best in row	$1.00
Output	$5.00, Best in row	$5.00
Blended	$2.00, Best in row	$2.00
Context window	200k	1.05M, Best in row
Max output	64k	128k, Best in row
Vision	✓	✓
Reasoning	✓	✓
Tool calling	✓	✓
Structured output	✓	✓
Prompt caching	✓	✓
Batch API	✓	−
Licence	Proprietary	Proprietary
API model id	`claude-haiku-4-5-20251001`	`gpt-6.1-terra`

At a glance

Input price, per million tokens

Output price, per million tokens

Context window

Head-to-head pages for models people weigh against each other.

Language models 77

Image generation 18

Video generation 11

Text to speech 9

Speech to text 25

Voice and realtime 17

Embeddings 3