Callstack models

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Browse and compare every Callstack model available on Vercel AI Gateway. Compare pricing, context windows, and capabilities, then call any of them through a single API.

Model	Context	Input	Output	Latency	Throughput	Cache	Search	Capabilities	Providers	ZDR	No Training	Regional Inference	Free AI Gateway Credit	Released

callstack/apex

262K

$0.50/M

$3/M

0.9 s

163 tps

Read$0.20/M

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10/08/2026