Hunyuan-A13B
An open-weight mixture-of-experts model with roughly 13B active parameters, giving self-hosters strong quality at modest inference cost.
At a glance
Released
Apr 2, 2026
Provider
Tencent
Context window
256,000 tokens
Max output
16,000 tokens
Modalities
Text → text
Knowledge cutoff
December 2025
API model ID
hunyuan-a13bLicense
Open weights (Tencent Hunyuan Community License)
Pricing
Standard
Input$0.07 / 1M
Output$0.28 / 1M
* Rates are from a third-party aggregator — verify before relying on them. A typical 1,500-token prompt with a 650-token answer costs ≈ $0.0003 on the standard tier. Run your own prompt through the calculator →
Best use cases
Self-hosted deployment
Runs on-prem for teams that want Hunyuan quality without the API.
Efficient serving
Activates only a fraction of parameters per token to cut costs.
Fine-tuning
Provides an open base for domain adaptation and research.
Strengths & limitations
Strengths
- Open weights
- Efficient MoE serving
- Good general quality
Limitations
- License has usage restrictions
- Text only
How to test it
- No-code: open hunyuan.tencent.com and pick Hunyuan-A13B from the model switcher — no API key needed.
- Playground: sign in to Tencent Cloud (the Hunyuan API) and run prompts in the workbench, then copy the generated code.
- API: create a key in Tencent Cloud (the Hunyuan API) and call the API (example below).
curl https://api.hunyuan.cloud.tencent.com/v1/chat/completions \
# OpenAI-compatible endpoint
-H "Authorization: Bearer $API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "hunyuan-a13b",
"messages": [{"role": "user", "content": "Explain tokenization in one paragraph."}]
}'Where to get access
Direct API
Pay-as-you-go access via Tencent Cloud (the Hunyuan API).
Tencent Cloud (the Hunyuan API) ↗Developer docs
API reference, SDKs and quickstarts for Tencent.
cloud.tencent.com/document/product/1729 ↗