Claude Sonnet 4 now supports 1M token context in Vercel AI Gateway

T1Covered by 1 source · first reported by Vercel (blog + changelog) at 12 Aug 2025, 13:00 UTC

Claude Sonnet 4's updated 1 million-token context window AI Gateway You can now leveragewith Vercel'swith no other provider accounts required. This release from Anthropic enables significantly larger inputs such as full codebases (~75,000+ lines) or large document sets. AI Gateway lets you call the…

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Sources

• T1Claude Sonnet 4 now supports 1M token context in Vercel AI GatewayVercel (blog + changelog)12 Aug 2025, 13:00