Alibaba (Qwen) · Released Apr 28, 2025Qwen3 8B
Qwen instruction model for multilingual chat, reasoning, and tool use.
- Capability
- 136.2ECI · #113 of 148
- Input
- $0.18per 1M tokens
- Output
- $0.70per 1M tokens
- Context
- 131K8K max output
What it costs
- Input
- $0.18per million tokens
- Output
- $0.70per million tokens
- Blended (3:1)
- $0.31cheaper than 70% of priced models
Typical monthly bills
| Monthly usage | Estimated cost |
|---|---|
| Side project2M input + 0.5M output tokens | $0.71 |
| Team assistant25M input + 5M output tokens | $8.00 |
| Production app250M input + 50M output tokens | $80.00 |
Official Alibaba API price, as listed on models.dev.
Independent benchmarks
#113 of 148 scored models
The shaded band is Epoch AI’s confidence range (129.7–138.1); the tick marks the median scored model.
Scores from Epoch AI, run independently of Alibaba (Qwen).
The details
- Lab
- Alibaba (Qwen)
- Released
- Apr 28, 2025
- Knowledge cutoff
- Apr 2025
- Context window
- 131,072 tokens
- Max output
- 8,192 tokens
- Inputs
- Text
- Output
- Text
- Reasoning
- Thinking budget
- Tool calling
- Yes
- Structured output
- No
- Weights
- Open weights
- API model ID
qwen3-8bon Alibaba- Availability
- 1 API providerlisted on models.dev
More from Alibaba (Qwen)
About Qwen3 8B
How much does Qwen3 8B cost?
Qwen3 8B costs $0.18 input / $0.70 output per million tokens (official Alibaba API price). At a 3:1 input-to-output mix that is $0.31 per million tokens, cheaper than 70% of the 360 priced models we track.
What is the context window of Qwen3 8B?
Qwen3 8B accepts up to 131,072 tokens per request and can write up to 8,192 tokens in one response.
How good is Qwen3 8B?
Epoch AI gives Qwen3 8B a Capabilities Index score of 136.2 (likely range 129.7–138.1), ranking it #113 of 148 models Epoch has scored. Epoch AI benchmark results: GPQA Diamond 56.8%, OTIS Mock AIME 2024–2025 56.1%.
Is Qwen3 8B open source?
Yes. Alibaba (Qwen) publishes the weights, so it can be downloaded and self-hosted.
What inputs does Qwen3 8B support?
Qwen3 8B accepts text and replies in text. It is a reasoning model, supports tool calling.
When was Qwen3 8B released?
Alibaba (Qwen) released Qwen3 8B on Apr 28, 2025. Its training data runs to Apr 2025.
What are the best alternatives to Qwen3 8B?
The closest current models from other labs on capability, price and release date are DeepSeek V3 0324 (DeepSeek, ECI 135.9, $0.24 / $0.90), GPT-4.1 mini (OpenAI, ECI 135.0, $0.40 / $1.60), Gemini 2.5 Flash-Lite (Google, ECI 133.9, $0.10 / $0.40) and Llama 4 Maverick 17B Instruct (Meta, ECI 132.2, $0.321 / $0.91).