Originally published on AI Tech Connect.
Three things builders should know Meta is charging developers for the first time. The Meta Model API launched in public preview on 9 July 2026 with Muse Spark 1.1 — closed-weight, hosted, metered — at $1.25 per million input tokens and $4.25 per million output tokens, with $20 in free credits for new accounts. It speaks both dialects. The API accepts OpenAI Chat Completions and Responses formats and the Anthropic Messages format. Pointing an existing agent at https://api.meta.ai/v1 with a new key and model ID is the whole migration. The preview is US-first. Self-serve access is limited to US developers; everyone else joins a waitlist. Indian and UK teams cannot bill against it yet — but there is useful preparation work to do now, and we cover it below. For years Meta's developer pitch was…
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