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Qwen3.8 27B

Qwen3.8 27B is an open-weight, vision-capable large language model from Alibaba's Qwen research lab, released in mid-August 2026 under the Apache 2 license. With 27 billion parameters, it targets a practical sweet spot for running on well-specced laptops and edge workstations. The model is available through the official Hugging Face repository at Qwen/Qwen3.8-27B, and early community testers have already been running it locally on hardware ranging from a 128GB M5 Max MacBook Pro to an NVIDIA DGX Spark, typically via LM Studio with a Q4_K_M quantised build.

According to Qwen's own published benchmark results, the model shows a clear improvement over both the previous-generation Qwen 3.6 27B and the closed-weight Qwen 3.7-Plus, which had been one of Qwen's strongest models in any size class earlier in the year. Independent benchmark verification had not yet appeared at the time of early coverage. In hands-on use, testers noted that the model's reasoning mode defaults to a very high effort setting, which can lead to verbose over-thinking on simple prompts; lowering the reasoning effort produces noticeably more concise and efficient responses while preserving the underlying capability gains.

Charm Hyperqwen3.8-27bqwen

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Provider
Charm Hyper
Model key
qwen3.8-27b
Release date
Aug 26, 2026
Last updated
Aug 26, 2026
Input modalities
Output modalities
Capabilities

Cost

Input token cost
$0.50
Output token cost
$3.00

Limits

Output tokens
128,000 tokens
Context window
1,000,000 tokens

Transparent token rates

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Rates are shown per one million tokens. Combined means one million input plus one million output tokens.

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Latest news about Qwen3.8 27B

Charm Hyper

CoverageRelease Notes

On September 18, 2026, PrismML released Ternary Bonsai 2 27B, a derivative ternary-weight quantization of Qwen3.8 27B that preserves the parent's architecture. MarkTechPost reports the model occupies 5.93 GB versus 53.80 GB in FP16 and retains 98.2% of Qwen3.8 27B's average across 20 benchmarks, while accepting text an Ternary weights cover embeddings, attention projections, MLP projections, and the LM head, with only 26.2M parameters (0.0976%) kept in higher precision along the recurrent state path and normalization weights; the vision tower ships separately as a 0.63 GB GGUF file. The Apache 2.0 weights are positioned for deploymen

Charm Hyper

CoverageBenchmark

Kingy.ai's launch-day review confirms that Alibaba's Qwen team released Qwen3.8-27B at 15:00 UTC on August 14, 2026, as a 27.78-billion-parameter multimodal checkpoint under Apache 2.0 with a native 262,144-token context and text, image, and video inputs. The page notes Qwen-reported gains over Qwen3.6-27B in agentic c The review adds important caveats: every launch score is sourced from Qwen, several benchmarks are in-house corrected or modified, and the SWE-bench Pro comparison imports Anthropic's Opus result rather than rerunning it. Kingy.ai flags that the most aggressive local-hardware claims ignore KV cache, that the 1M-token w

Charm Hyper

CoverageAnalysis

On August 14, 2026, Alibaba's Tongyi Lab released Qwen3.8-27B as a 27.78-billion-parameter dense multimodal language model under Apache 2.0, sized for local deployment (minimum 24GB VRAM). The Local AI Zone technical analysis describes a hybrid attention architecture built on the Qwen3.5 foundation: 64 Transformer bloc The same analysis reports a 3:1 layered attention ratio combining 48 Gated DeltaNet linear-attention layers with 16 Gated Full Attention layers, plus an output gate fused into a 12,288×5,120 q-projection. Local AI Zone summarizes Qwen-reported results showing Qwen3.8-27B outperforming Meta's Muse Glimmer (30B) across a

Charm Hyper

Coverage

Alibaba's Qwen team released Qwen3.8-27B as an open-weight dense 27-billion-parameter vision-language model under Apache 2.0, featuring a native 262,144-token context window with an advertised extension path to one million tokens. According to NxCode's analysis, the published configuration is architecturally identical The model is available through multiple serving targets: official FP8 weights for vLLM, SGLang, Transformers, and TokenSpeed, plus Ollama packages listing 18GB for both standard and MLX variants aimed at Apple Silicon workstations. Qwen's vendor-run tables report agent-evaluation gains over Qwen3.6-27B on Terminal Benc

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