LongCat route
LongCat-2.0
LongCat 2.0 API pricing.
One OpenAI-compatible route at the vendor list price with 0% markup, billed per token from one prepaid balance. No subscription required.
Input / 1M tokens
$0.30
Output / 1M tokens
$1.20
Context window
1M
Provider
LongCat
Workload calculator
Put the token rate into context.
These examples apply the published input and output rates directly. Actual cost follows the exact tokens your client sends and the model returns.
This route is the 6th cheapest of 39 comparable text models and cheaper than 31 on the same key. Its context window ranks 17th of 39.
Short request
$0.0042
10K input + 1K output
Agent turn
$0.042
100K input + 10K output
Exact token billing
No request minimum
One model ID change
OpenAI compatible
Cost neighbourhood
Nearby routes, same workload.
Every comparison uses the same 100K-input / 10K-output turn. Changing route is a one-line model ID edit.
Price does not measure task quality. Check LongCat 2.0 benchmark evidence before optimizing on cost alone.
First request
Route it in one call.
Use any OpenAI SDK or tool. Keep the request shape, point the base URL at RouterPlex, and set the model ID shown here.
Read the quickstartcurl https://api.routerplex.com/v1/chat/completions \-H "Authorization: Bearer $ROUTERPLEX_API_KEY" \-H "Content-Type: application/json" \-d '{"model": "LongCat-2.0","messages": [{"role": "user", "content": "Hello!"}]}'
Route notes
Questions before production traffic.
01How 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.
02What does one LongCat 2.0 agent turn cost?+
A 100K-token input with a 10K-token reply costs about $0.042 on LongCat 2.0. That makes it the 6th cheapest of 39 comparable text models on RouterPlex, roughly 3.9× the cost of the cheapest option (DeepSeek V4 Flash).
03What is a cheaper alternative to LongCat 2.0?+
GPT-5.6 Luna from OpenAI is the closest cheaper model on RouterPlex — $0.032 per agent turn against $0.042 for LongCat 2.0, at $0.20/1M input and $1.20/1M output. Both run on the same key and the same endpoint, so switching is a one-line model ID change.
04Is LongCat 2.0 cheaper than Qwen3.7 Plus?+
Yes. Per agent turn, LongCat 2.0 costs about $0.042 against $0.045 for Qwen3.7 Plus — 6% less.
05What is the context window of LongCat 2.0?+
LongCat 2.0 supports a 1M token context window on RouterPlex, the 17th largest of the 39 models that publish one.
06Can 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".
Deploy this route
Put LongCat 2.0 behind one key.
Top up from $5 with no subscription required.