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AI Choice Engine

LongCat

LongCat-2.5-Preview

LongCat-2.5-Preview is a LongCat model with Not verified context, $0.30 in / $1.20 out per million tokens, last verified October 2, 2026. Open weights: not verified. Public-board scores are linked to the publisher; vendor-only figures stay in the watch-out, not on the board.

LongCat's hosted preview for coding and image understanding, with a documented default-on thinking toggle.

Recorded profile verification October 2, 2026Individual provider fields may changeAccess: preview

AI model specification details
SpecificationLongCat-2.5-Preview
ProviderLongCat
TierBalanced
Context windowNot verifiedUnverified
Max outputNot verifiedUnverified
Input / 1M tokens$0.30
Output / 1M tokens$1.20
WeightsNot verifiedUnverified
ParametersNot verifiedUnverified
Reasoning levelsenabled, disabled
Modalitiestext, image
API model idLongCat-2.5-Preview
ReleasedSeptember 25, 2026

Pricing tiers: Direct API limited-time discounted USD rates are $0.30 input/$1.20 output per million, with $0.006 cached input. No promotion end date is published in the captured pricing page; platform prices/billing records are authoritative. OpenCode's Free route label does not make the upstream API free.

Best for

  • Coding
  • Image understanding
  • Hosted agents

Watch out

September 25 is the official preview-availability notice. API docs advertise 1M context and 128K output without exact integer definitions; scalar caps remain unknown. OpenCode integration documents thinking.type enabled/disabled, enabled by default, not a graded effort enum. Public weights, licence and parameter count remain unverified. Vendor qualitative coding/vision claims are not independent benchmark results.

History

LongCat-2.5-Preview timeline

Release and status events for this model that passed two-source verification — dated, sourced, and linked.

  • LongCat-2.5-PreviewLimited previewSeptember 25, 2026

    Official API changelog announces coding and image-understanding preview availability.

    LongCat official API changelog

Source receipts

Catalog figures for this model were checked against the following sources.

Common questions

LongCat-2.5-Preview

Answered from the verified figures on this page rather than general guidance.

How much does LongCat-2.5-Preview cost per million tokens?
LongCat-2.5-Preview lists base rates of $0.30 per million input tokens and $1.20 per million output tokens. Estimate both input and output token volume and any additional charges for your workload. Direct API limited-time discounted USD rates are $0.30 input/$1.20 output per million, with $0.006 cached input. No promotion end date is published in the captured pricing page; platform prices/billing records are authoritative. OpenCode's Free route label does not make the upstream API free.
What is LongCat-2.5-Preview best for?
LongCat-2.5-Preview is a balanced tier from LongCat. It suits coding, image understanding, hosted agents. September 25 is the official preview-availability notice. API docs advertise 1M context and 128K output without exact integer definitions; scalar caps remain unknown. OpenCode integration documents thinking.type enabled/disabled, enabled by default, not a graded effort enum. Public weights, licence and parameter count remain unverified. Vendor qualitative coding/vision claims are not independent benchmark results.
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