LongCat 2.0 API pricing

Call LongCat-2.0 through RouterPlex's OpenAI-compatible API — vendor list price, 0% markup, billed per token from a prepaid balance. No subscription required.

Input / 1M tokens
$0.30
Output / 1M tokens
$1.20
Context window
1M
Provider
LongCat

Current official limited-time LongCat API rate; the published regular rate is $0.75 input / $2.95 output per 1M tokens.

Use it in one request.

curl https://api.routerplex.com/v1/chat/completions \
  -H "Authorization: Bearer $ROUTERPLEX_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "LongCat-2.0",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

Works with any OpenAI SDK or tool — just change the base URL. See the quickstart.

Common questions.

How much does the LongCat 2.0 API cost?

Through RouterPlex, LongCat 2.0 costs $0.30 per 1M input tokens and $1.20 per 1M output tokens — the vendor list price with 0% markup, billed per token from a prepaid balance you top up from $5. Current official limited-time LongCat API rate; the published regular rate is $0.75 input / $2.95 output per 1M tokens.

What is the context window of LongCat 2.0?

LongCat 2.0 supports a 1M token context window on RouterPlex.

Can I use LongCat 2.0 with the OpenAI SDK?

Yes. RouterPlex serves LongCat 2.0 through an OpenAI-compatible endpoint at https://api.routerplex.com/v1 — point any OpenAI SDK or tool at that base URL with your RouterPlex key and set model to "LongCat-2.0".

Try LongCat 2.0 in minutes.

Top up from $5, or see all model pricing and plans.

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LongCat 2.0 API Pricing · RouterPlex