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Side-by-side comparison of Claude Sonnet 5.5, Grok 4.7

Attribute	Claude Sonnet 5.5	Grok 4.7
Provider	Anthropic	xAI
Model id	anthropic/claude-sonnet-5-5	xai/grok-4.7
Status	Available via Safeguard	Available via Safeguard
Input / 1M tokens	$2	$2
Output / 1M tokens	$10	$6
Price notes	Base price, full 1M context at standard rate. Cache hits $0.10/1M. Batch 50% off.	Prompts <200K tokens. At or above 200K: $4 in / $12 out for the whole request. Cached input $0.50. No batch API. US regional endpoint 1.1x.
Context	1M	500K
Parameters	Not published	Not published
Max output	128,000 tokens	Not published
Modality	Text and image	Text and image
Weights	Closed	Closed
Zero data retention	Available	Available
Prompts go to	Anthropic (global routing by default)	xAI (SpaceXAI)
Retention	Not used for model training without express permission, per Anthropic's API retention doc, conversation content is not retained by default except for Covered Models that require 30-day retention, flagged content and legal holds can be kept longer	API requests and responses stored encrypted for 30 days for abuse auditing, then deleted, never used for training without explicit permission
Region	Global by default, US-only inference via inference_geo at 1.1x pricing (Claude 4.6 and later)	No region guarantee on the default endpoint, US regional endpoint (grok-4.7 and grok-4.6 only) at 1.1x pricing
Price checked	2026-10-10	2026-10-10