Qwen3.8 27B
API ID qwen3.8-27b
qwen3.8-27b is a Qwen model, released August 2026. It has a 1,000,000-token context window and up to 131,072 output tokens. It takes image input and supports function calling and structured outputs. Standard price: $0.50 input and $3.00 output per 1M tokens.
- Status
- Active
- Released
- August 2026
- Shutdown
- none announced
- Replacement
- —
Qwen announces retirement dates without naming the models on a page AIWire can read. AIWire posts each new notice on the wire and will flag qwen3.8-27b if it disappears from Qwen's model list.
Benchmarks
Scores as each source published themComparing with Qwen3.5 27B, the previous model in this line. A score is compared only with the same benchmark from the same source, at the same setting where both have it. Full comparison: prices, limits, features
Arena
| Arena | Qwen3.8 27B | Qwen3.5 27B | Change | Rank | Date | Source |
|---|---|---|---|---|---|---|
TextBy category
| 1438 ±5 | 1409 ±4 | +29 | 100 of 415 22,539 votes | Oct 13, 2026 | source |
| Text: Coding | 1499 ±8 | 1452 ±7 | +47 | 81 of 410 6,237 votes | Oct 13, 2026 | source |
| WebDev | 1594 ±7 | 1358 ±8 | +236 | 29 of 142 15,253 votes | Oct 13, 2026 | source |
| Vision | 1244 ±8 | 1217 ±6 | +27 | 61 of 165 7,013 votes | Oct 9, 2026 | source |
| Agent | -0.032 ±0.008 | not rated | 40 of 54 60,184 sessions | Oct 14, 2026 | source |
Rated as qwen3.8-27b; Qwen3.5 27B as qwen3.5-27b. Text, WebDev and Vision ratings come from people voting between two anonymous answers; Text and Vision are style-controlled, as on arena.ai. Agent is Arena's separate score for real agent sessions, on its own scale. Data: Arena (arena.ai), CC BY 4.0.
Features
Compare models| Feature | Value | Since | Source |
|---|---|---|---|
| Structured outputsThe model can be held to a JSON schema you supply, so every reply parses without retries or cleanup. | Supported | in place when tracking began (October 6, 2026) | source |
| Function callingAlso called tool use. You describe functions; the model replies with a function name and arguments for your code to run, then uses the result. | Supported | in place when tracking began (October 6, 2026) | source |
| Prompt cachingA prompt prefix you send again and again (system prompt, documents, tools) is cached, so later requests cost less and start faster. | Supported | in place when tracking began (October 6, 2026) | source |
| Batch APISend many requests as one job that runs in the background, usually finished within 24 hours, at a lower price than live requests. | Not supported | in place when tracking began (October 6, 2026) | source |
| Image inputImages such as screenshots, photos and charts can go in the prompt for the model to read. | Supported | in place when tracking began (October 6, 2026) | source |
| Fine-tuningYou can train your own version of the model on your examples through the company's API, then call it like any other model. | Not supported | in place when tracking began (October 6, 2026) | source |
| Built-in web searchThe company's API can search the web for the model during a request and cite its sources; you don't need a search service of your own. | Supported | in place when tracking began (October 6, 2026) | source |
| Context windowThe most the model can work with in one request, in tokens: your prompt, conversation history and files. A token is about three-quarters of an English word. | 1,000,000 tokens | in place when tracking began (October 6, 2026) | source |
| Max output tokensThe longest reply the model can write in one response, in tokens. A token is about three-quarters of an English word. | 131,072 tokens | in place when tracking began (October 6, 2026) | source |
Not published by Qwen: PDF input, Reasoning / thinking, temperature parameter, top_p parameter, logprobs.
Price history
USD per 1M tokens, standard tierWe started recording this model's prices on Oct 5, 2026. The history grows with each daily check.
Show as a table
| From | Type | Price |
|---|---|---|
| Oct 5, 2026 | Input | $0.50 |
| Oct 5, 2026 | Output | $3.00 |
Prices
USD per 1M tokens, every type and band, by tier| Type | Price $/1M | In effect |
|---|---|---|
| Standard | ||
| input | $0.50 | |
| cached input | $0.10 | |
| cache write | $0.625 | |
| output | $3.00 | |
Changelog
Changes we detected on Qwen's pagesNo changes recorded yet.
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Last checked · Sources: Qwen models, Qwen deprecations, Qwen free terms