Alibaba (Qwen) · Released Jul 19, 2026Qwen3.8 Max Preview
Preview Qwen flagship for million-token multimodal reasoning and long-horizon agentic workflows.
- Capability
- —No ECI score yet
- Input
- $2.00per 1M tokens
- Output
- $6.00per 1M tokens
- Context
- 1M131K max output
What it costs
- Input
- $2.00per million tokens
- Output
- $6.00per million tokens
- Blended (3:1)
- $3.00pricier than 74% of priced models
Typical monthly bills
| Monthly usage | Estimated cost |
|---|---|
| Side project2M input + 0.5M output tokens | $7.00 |
| Team assistant25M input + 5M output tokens | $80.00 |
| Production app250M input + 50M output tokens | $800.00 |
Median of 6 paid API providers on models.dev.
Independent benchmarks
Epoch AI has not published a Capabilities Index score for Qwen3.8 Max Preview yet.
The details
- Lab
- Alibaba (Qwen)
- Released
- Jul 19, 2026
- Context window
- 1,000,000 tokens
- Max output
- 131,072 tokens
- Inputs
- Text, Images, Video
- Output
- Text
- Reasoning
- Always on
- Tool calling
- Yes
- Structured output
- No
- Weights
- Proprietary
- Availability
- 6 API providerslisted on models.dev
What Alibaba (Qwen) claims
Published by the lab at launch. Settings vary, so compare these only with care.
| Benchmark | Score | Setting | Source |
|---|---|---|---|
| Terminal-Bench v2.1 | 86.6 | xhigh | Source |
| SWE-Bench Pro | 67.7 resolve rate | xhigh | Source |
| DeepSWE v1.1 | 56.6 resolve rate | xhigh | Source |
| NL2Repo | 55.9 resolve rate | xhigh | Source |
| FrontierSWE | 73.5 | xhigh | Source |
| MLS-Bench-Lite | 41 | xhigh | Source |
| AutomationBench | 27.3 | xhigh | Source |
| Toolathlon Verified | 72.5 | xhigh | Source |
| WideSearch | 81.9 F1 | xhigh | Source |
| Humanity's Last Exam | 56.2 | xhigh, with tools | Source |
| GPQA Diamond | 92.6 | xhigh | Source |
| Humanity's Last Exam | 43.6 | xhigh, no tools | Source |
More from Alibaba (Qwen)
About Qwen3.8 Max Preview
How much does Qwen3.8 Max Preview cost?
Qwen3.8 Max Preview costs $2.00 input / $6.00 output per million tokens (median across 6 API providers). At a 3:1 input-to-output mix that is $3.00 per million tokens, more expensive than 74% of the 360 priced models we track.
What is the context window of Qwen3.8 Max Preview?
Qwen3.8 Max Preview accepts up to 1,000,000 tokens per request and can write up to 131,072 tokens in one response.
How good is Qwen3.8 Max Preview?
Epoch AI has not published a Capabilities Index score for Qwen3.8 Max Preview yet.
Is Qwen3.8 Max Preview open source?
No. Qwen3.8 Max Preview is proprietary; you use it through an API or partner platforms.
What inputs does Qwen3.8 Max Preview support?
Qwen3.8 Max Preview accepts text, images and video and replies in text. It is a reasoning model, supports tool calling.
When was Qwen3.8 Max Preview released?
Alibaba (Qwen) released Qwen3.8 Max Preview on Jul 19, 2026.
What are the best alternatives to Qwen3.8 Max Preview?
The closest current models from other labs on capability, price and release date are Kimi K2.7 Code Highspeed (Moonshot AI, $1.90 / $8.00), Pareto (Unbiased, $2.50 / $7.50), Command A Plus (Cohere, $2.50 / $10.00) and Seed 2.1 Pro (ByteDance Seed, $0.891 / $4.45).