Context 262,144 per models.dev + video title (secondary, 2026-10-13); models.dev and the Vercel AI Gateway model page now both say 1,048,576 (2026-10-16). Zen lane answers text; image via agentic tool-use, not native vision (W6 2026-10-13).
opencode/cat-jam-free is no longer in the OpenCode Zen free model list at the 2026-10-20T08:00Z daily check; it was added 2026-10-13 and answered 5 parallel runs the same day; no end date announced → end date Oct 20
opencode-go/cat-jam-free is no longer in the OpenCode Go free model list at the 2026-10-20T08:00Z daily check; it was listed on 2026-10-13 and never reached by our own calls; no end date announced → end date Oct 20
stealth/cat-jam is no longer on the Vercel AI Gateway free list at the 2026-10-20T08:00Z daily check: the models API either drops the ID or stops reporting $0 input and output; it was listed at $0 on 2026-10-15 and 2026-10-16; no end date announced → end date Oct 20
Cat Jam is now available in stealth for free on Vercel AI Gateway: $0 input and $0 output, 1M context, 131K max output, release date 10/15/2026; prompts and responses may be used for training
$0 · accountVercel account; free models plus $5/month gateway credit per team; a payment method may be required before use ("customer_verification_required")