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Qwen3.5 27B

API ID qwen3.5-27b

qwen3.5-27b is a Qwen model, released February 2026. It has a 262,144-token context window and up to 65,536 output tokens. It takes image input and supports function calling and structured outputs. Standard price: $0.30 input and $2.40 output per 1M tokens.

Status
Active
Released
February 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 qwen3.5-27b if it disappears from Qwen's model list.

Benchmarks

Scores as each source published them
or

Comparing with Qwen3 32B, 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

ArenaQwen3.5 27BQwen3 32BChangeRankDateSource
Text
By category
  • Math 1424 rank 122 vs 1399 (+25, within range)
  • Creative writing 1358 rank 170 vs 1304 (+54)
  • Instruction following 1401 rank 145 vs 1331 (+70)
  • Hard prompts 1428 rank 148 vs 1367 (+61)
  • Long prompts 1422 rank 137 vs 1355 (+67)
  • Multi-turn 1414 rank 142 vs 1337 (+77)
  • Expert 1441 rank 133 vs 1398 (+43, within range)
1409 ±41347 ±9+62152 of 415
28,685 votes		Oct 13, 2026source
Text: Coding1452 ±71406 ±24+46155 of 410
7,941 votes		Oct 13, 2026source
WebDev1358 ±8not rated108 of 142
7,794 votes		Oct 13, 2026source
Vision1217 ±6not rated79 of 165
29,644 votes		Oct 9, 2026source

Rated as qwen3.5-27b; Qwen3 32B as qwen3-32b. Ratings come from people voting between two anonymous answers; Text and Vision are style-controlled, as on arena.ai. Data: Arena (arena.ai), CC BY 4.0.

Features

Compare models
FeatureValueSinceSource
Structured outputsThe model can be held to a JSON schema you supply, so every reply parses without retries or cleanup.Supportedin 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.Supportedin 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.Not supportedin 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 supportedin 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.Supportedin 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.Supportedin 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.Supportedin 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.262,144 tokensin 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.65,536 tokensin 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 tier
$0.00$1.00$2.00$3.00Oct 2026In $0.30Out $2.40Oct 5, 2026 to Oct 15, 2026: Input $0.30, Output $2.40
$0.00$1.00$2.00$3.00Oct 2026In $0.30Out $2.40Oct 5, 2026 to Oct 15, 2026: Input $0.30, Output $2.40

We started recording this model's prices on Oct 5, 2026. The history grows with each daily check.

Show as a table
FromTypePrice
Oct 5, 2026Input$0.30
Oct 5, 2026Output$2.40

Prices

USD per 1M tokens, every type and band, by tier
TypePrice $/1MIn effect
Standard
input$0.30
output$2.40

Changelog

Changes we detected on Qwen's pages

No changes recorded yet.

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Last checked · Sources: Qwen models, Qwen deprecations, Qwen free terms