Skip to main content
Core.Today
|
Alibaba QwenMediumUltra

Qwen3.8 2.4T-A95B

Qwen3.8 2.4T-A95B served through the OpenRouter aggregator - the open-weight sparse mixture-of-experts variant of Qwen3.8 Max, with 95B active parameters out of 2.4T total. Text-only reasoning model with a 1M-token context and up to 262K output tokens, billed at OpenRouter's actual usage cost.

3,716/11,148credits
input / output ยท per 1M tokens
Open-weight sparse MoE - 95B active / 2.4T total parameters
1M-token context window with up to 262K output tokens
OpenAI-compatible API (chat completions) via /llm/openrouter/v1
Prompt caching with discounted cache reads
Billed at OpenRouter's actual usage.cost - listed rates are estimates

Run it right now

Test this model instantly in the Console Playground โ€” no code required

Sign in to try

Use with AI Assistant

Copy usage instructions for Claude, ChatGPT, or other AI

Model Specifications

Context Window
1.0M
tokens
Max Output
262K
tokens
Training Cutoff
Not published
Compatible SDK
OpenAI

Capabilities

Vision
Function Calling
Streaming
JSON Mode
System Prompt

Token Pricing (per 1M tokens)

Token TypeCreditsUSD Equivalent
Input Tokens3,716$2.48
Output Tokens11,148$7.43
Cached Tokens464.5$0.31

* 1,500 credits โ‰ˆ $1 (actual charges may vary based on usage)

Quick Start

curl -X POST "https://api.core.today/llm/openrouter/v1/chat/completions" \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer cdt_your_api_key" \
  -d '{
  "model": "qwen/qwen3.8-2.4t-a95b",
  "messages": [
    {
      "role": "user",
      "content": "Summarize the attached report in 5 bullets."
    }
  ],
  "max_tokens": 1024
}'

Parameters

ParameterTypeRequiredDefaultDescription
modelstringYes-Model ID in vendor/model form, e.g. "qwen/qwen3.8-2.4t-a95b".
messagesarrayYes-Chat messages in OpenAI format (system/user/assistant roles).
temperaturenumberNo0.7Sampling temperature (0-2).
max_tokensintegerNo2048Maximum completion tokens.
streambooleanNofalseStream the response as server-sent events.

Examples

Chat completion

OpenAI-compatible chat completion request via OpenRouter

curl -X POST "https://api.core.today/llm/openrouter/v1/chat/completions" \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer cdt_your_api_key" \
  -d '{
  "model": "qwen/qwen3.8-2.4t-a95b",
  "messages": [
    {
      "role": "user",
      "content": "Summarize the attached report in 5 bullets."
    }
  ],
  "max_tokens": 1024
}'

Tips & Best Practices

1Works with the OpenAI SDK - set base_url to https://ai.api.core.today/llm/openrouter/v1
2Charged at OpenRouter's usage.cost x 1,858 credits/USD - the listed rates are estimates and may lag OpenRouter price changes
3Text-only - it does not accept images; use qwen/qwen3.8-max when you need vision input at the same price point

Use Cases

Long-context reasoning over large document sets
Coding agents and long-running tool-use workflows
Open-weight alternative to Qwen3.8 Max for text-only workloads