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AlibabaReleased February 24, 2026

Qwen3.5 27B

Alibaba · Released February 24, 2026

Intelligence score

34

At a glance

Intelligence
34
Speed
85.4tokens/sec
Latency
5.78stime to first token
Input price
$0.30per 1M tokens
Output price
$2.40per 1M tokens
Context window
260Ktokens
Parameters
27.8billions

Summary

Comparison summary

Qwen3.5 27B (Reasoning) scores 34 (estimated) on the Artificial Analysis Intelligence Index, placing it well above average among other open weight models of similar size (median: 9). Qwen3.5 27B (Reasoning) generates output at 85.4 tokens per second (based on Alibaba's API), which is below average compared to other open weight models of similar size (median: 101.0 t/s). Qwen3.5 27B (Reasoning) costs $0.30 per 1M input tokens (at the higher end, median: $0.18) and $2.40 per 1M output tokens (at the higher end, median: $0.40), based on Alibaba's API.

Specifications

Technical specifications

Model nameQwen3.5 27B
ProviderAlibaba
Release dateFebruary 24, 2026
Intelligence score34
Speed85.4 tokens/sec
Latency (TTFT)5.78s
Input price$0.30 / 1M tokens
Output price$2.40 / 1M tokens
Context window260,000 tokens
Parameters27.8B
ReasoningYes
Input modalitiestext, image
Output modalities—
Open weightsYes
LicenseApache 2
API availability—
SourceModel Intelligence legacy profile: qwen3-5-27b

Pricing

Token prices

Price per 1M tokens

Qwen3.5 27B, as listed in the catalog record

Input $0.30 and output $2.40 per 1M tokens. Missing prices are hatched and marked "Not published".
  1. Input$0.30
  2. Output$2.40

Model Intelligence legacy profile: qwen3-5-27b

FAQ · 19

Frequently asked questions

Qwen3.5 27B (Reasoning) was released on February 24, 2026.

Qwen3.5 27B (Reasoning) was created by Alibaba.

Qwen3.5 27B (Reasoning) scores 34 (estimated) on the Artificial Analysis Intelligence Index, placing it well above average among other open weight models of similar size (median: 9).

Qwen3.5 27B (Reasoning) generates output at 85.4 tokens per second (based on Alibaba's API), which is below average compared to other open weight models of similar size (median: 101.0 t/s).

Qwen3.5 27B (Reasoning) has a time to first token (TTFT) of 5.78s (based on Alibaba's API), which is at the higher end compared to other open weight models of similar size (median: 2.09s).

Qwen3.5 27B (Reasoning) costs $0.30 per 1M input tokens (at the higher end, median: $0.18) and $2.40 per 1M output tokens (at the higher end, median: $0.40), based on Alibaba's API.

Qwen3.5 27B (Reasoning) costs $0.30 per 1M input tokens and $2.40 per 1M output tokens (based on Alibaba's API). For a blended rate (7:2:1 cache hit/input/output ratio), this is $0.51 per 1M tokens. Pricing may vary by provider.

Yes, Qwen3.5 27B (Reasoning) is a reasoning model. It uses extended thinking or chain-of-thought reasoning to work through complex problems before providing an answer.

Qwen3.5 27B (Reasoning) supports text and image input.

Qwen3.5 27B (Reasoning) supports text output.

Yes, Qwen3.5 27B (Reasoning) supports image input and can analyze, describe, and answer questions about images.

Yes, Qwen3.5 27B (Reasoning) is multimodal. It can process text and image input and generate text output.

Qwen3.5 27B (Reasoning) has a context window of 260k tokens. This determines how much text and conversation history the model can process in a single request.

Yes, Qwen3.5 27B (Reasoning) is open weights. The model weights are publicly available and can be downloaded for self-hosting.

Qwen3.5 27B (Reasoning) has 27.8 billion parameters.

Qwen3.5 27B (Reasoning) is released under the Apache 2.0 license. This license allows commercial use.

Qwen3.5 27B (Reasoning) achieves a score of 34 on the Artificial Analysis Intelligence Index. This composite benchmark evaluates models across reasoning, knowledge, mathematics, and coding.

Yes, Qwen3.5 27B (Reasoning) is available via API through 6 providers.

Qwen3.5 27B (Reasoning) is available through 6 API providers.