Claude Sonnet 5 now available on Vercel AI Gateway
Claude Sonnet 5 just hit Vercel's AI Gateway. Same Opus-level coding performance. Half the price of Opus.
Why it matters
Anthropic's new mid-tier model closes the capability gap between Sonnet and Opus, giving developers production-grade agentic AI at $2/M input tokens through mid-2026. This shifts the ROI math for AI-powered applications.
The key facts
9 to knowClaude Sonnet 5 now available on Vercel AI Gateway
Launch pricing: $2/M input tokens, $10/M output tokens (through Aug 31, 2026)
Standard list price: $3/M input tokens, $15/M output tokens
Improvements over Sonnet 4.6: coding, agentic work, instruction-following, document parsing, long-context memory
Performance reaches Opus-level outcomes on many tasks at Sonnet pricing
Updated tokenizer maps same input to more tokens
AI Gateway provides unified API, usage tracking, cost control, retries, failover, performance optimization
Zero Data Retention support and Bring Your Own Key (BYOK) options included
No platform markup or platform fee on inference
Go to the source
Vercel Blogvercel.com
Publisher excerpt: Claude Sonnet 5 from Anthropic is now available on . Sonnet 5 improves on Sonnet 4.6 across coding and agentic work, reaching outcomes on many tasks that previously needed an Opus model, at Sonnet pricing.AI Gateway The model is more agentic and follows instructions more closely. Document parsing…