Longcat 2.0

Longcat 2.0 through Clervo's normalized chat contract.

Clervo IDclervo/longcat-2.0

Creator: Meituan
Availability: available
Health: healthy
Sellable now: Yes

Current contract

Identity, capability, and commerce stay together.

What it accepts

text

What it returns

text

Capabilities

text input
text output

Execution

/v1/ai/execute

Replay-safe with the original idempotency key.

Published pricing

Rates describe usage. The live quote binds the request.

$0.225 / 1M input tokens
$0.90 / 1M output tokens

Billing mode: metered. Payment: x402 or mpp. For a paid call, inspect the exact request-bound challenge before authorizing it. Internal serving suppliers are not publicly disclosed.

B11 TypeScript client

Use the exact model ID.

Longcat 2.0 · TypeScript

import { ClervoClient } from '@clervo/sdk';

const clervo = new ClervoClient();
const result = await clervo.ai.execute({
  model: 'clervo/longcat-2.0',
  input: {
      kind: 'chat',
      messages: [{ role: 'user', content: 'Return one useful, bounded result.' }],
      responseFormat: 'text',
      stream: false,
    },
    maximumOutputTokens: 256
}, { idempotencyKey: 'stable-request-0001' });

Automatic payment remains off unless explicitly enabled. Reuse the same idempotency key to recover or replay; reconcile unknown settlement before retrying.

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