Qwen · Open weights
Qwen3.5 27B Blossom V6.4 Derestricted
Qwen3.5 27B Blossom V6.4 Derestricted is a community creative finetune for reasoning, multimodal chat, expressive writing, and roleplay.
- Reasoning
- Tools
- Vision
- Input
- Text, Images
- Output
- Text
- Reasoning effort
- none · high
- Discovery tier
- Open weights
Pricing
USD per 1M tokens- Input
- $0.31
- Output
- $0.31
Reference prices as published by the model provider. API example
Specifications
- Context window
- 262.1K
- Max output
- —
- Average output (7 days)
- 535 tokens
- Longer than 51% of 468 models
Side by side
Qwen3.5 27B Blossom V6.4 Derestricted compared
Specifications, prices, speed and benchmark scores next to each other. Benchmarks below show every compared model too.
| Qwen3.5 27B Blossom V6.4 DerestrictedQwenThis model | Qwen 3.8 27B NovelistQwenRemove | |
|---|---|---|
| Provider | Qwen | Qwen |
| Discovery tier | Open weights | Open weights |
| Added | May 15, 2026 | Oct 5, 2026 |
| Limits | ||
| Context window | 262.14K | 262.14K |
| Max output | — | 32.77K |
| Average output | 535 tokens | 745 tokens |
| Pricing, USD per 1M tokens | ||
| Input | $0.31 | $0.10Best |
| Output | $0.31Best | $0.60 |
| Cache read | — | $0.05 |
| Performance | ||
| Throughput | 23.7 tok/s | 35.0 tok/sBest |
| Time to first token | 15.0 s | 3.1 sBest |
| Request success (24h) | 83.5% | 98.2%Best |
| Capabilities | ||
| Reasoning | Yes | Yes |
| Tools | Yes | Yes |
| Vision | Yes | Yes |
| Reasoning effort | none, high | — |
Public evaluations
Benchmarks
There are no public benchmark results for these models yet.
Live routing data
Performance and reliability
Recent averages across requests routed for this model. Your own speed depends on prompt length, reasoning effort and load.
- Throughput
- 23.7 tok/s
- Faster than 16% of 254 models
- Time to first token
- 15.0 s
- Quicker than 3% of 254 models
- Request success (24h)
- 83.5%
- Unstable
Hourly request success · last 72 hoursLowest hour 0.0%
- Healthy (98% or more)
- Degraded (90–98%)
- Down (under 90%)
- No requests
Developers
Use it through the API
Noumen’s API is OpenAI-compatible: any Chat Completions client works with a base URL and a key.
curl https://www.noumen.xyz/api/v1/chat/completions \
-H "Authorization: Bearer $NOUMEN_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "Qwen3.5-27B-Blossom-V6.4-Derestricted",
"reasoning_effort": "none",
"messages": [{ "role": "user", "content": "Explain this stack trace." }]
}'import os
from openai import OpenAI
client = OpenAI(base_url="https://www.noumen.xyz/api/v1", api_key=os.environ["NOUMEN_API_KEY"])
reply = client.chat.completions.create(
model="Qwen3.5-27B-Blossom-V6.4-Derestricted",
messages=[{"role": "user", "content": "Explain this stack trace."}],
)
print(reply.choices[0].message.content)Qwen
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