LongCat 2.5 Free

LongCat 2.5 is Meituan's newest model from its LongCat team, published with a tech blog on November 1, 2026 and generally available on the LongCat API platform on November 2 after a September 25 preview. It is a natively multimodal mixture-of-experts model with 1.6 trillion total parameters and roughly 48 billion active per token, taking text, images and video as input and producing text. The model keeps LongCat 2.0's text-only 1.6T MoE backbone but adds image input by turning pictures into multi-level discrete tokens, so one stream handles both text and pictures. It reports a 1,048,576-token context window with up to 262,144 output tokens, runs on Chinese domestic accelerators with W4A4 inference, and ships Anthropic-format and OpenAI-format endpoints with guides for Claude Code, Codex, OpenCode and Cline.

LongCat 2.5, the model served for free through OpenCode Go, carries a published international pay-as-you-go rate card of $0.30 per million uncached input tokens, $0.006 per million cached input tokens, and $1.20 per million output tokens. These figures were checked on November 3, 2026 and are limited-time discounted rates whose end date the provider has not published. The same analysis notes that a cached input token costs about 98% less than an uncached one, so agents that repeatedly resend context can reduce cost, but the discount applies only to tokens actually reported as cache hits rather than to output or the whole task. It also cautions that the displayed rates match the older LongCat 2.0 snapshot, and that identical rates do not guarantee identical task cost across versions.

LongCat 2.5 was made available free for two weeks through OpenCode, a promotion covered by Tilt roughly 45 days before the current date. The story describes the model as a natively multimodal LongCat 2.5 preview, and its headline attributes the 1.6T-parameter model to Meituan. Because the promotion was described as lasting two weeks, the free access window on OpenCode Go was time-limited rather than a permanent listing, which is useful context for anyone relying on the free route. The report dates the promotion to the period following the model's launch, and no supplied source confirms whether the offer was extended.

OpenCode's Go documentation lists "LongCat 2.5 Free (limited time)" in the current model roster available to subscribers, alongside other open coding models such as LongCat-2.0, Kimi K3, MiMo-V2.6-Pro and Qwen3.8 Max. The list is described as subject to change as models are tested and added. Access to that listing is gated by workspace privacy settings. By default, paid endpoints that train on request data are blocked and allowed regions are Europe and the United States, and a workspace admin can enable Global for requests from China specifically for LongCat 2.5 Free. Plans are Go at $10 per month, Go Plus at $40, and Go Teams at $20 per member.