Glimmer Index
Plus $4/mo

Qwen3.8 27B

Qwen · Released Aug 14, 2026 · Open weights
Latest Qwen3.8 27B

Dense 27B vision-language model for coding, agent tasks, and image and video understanding

Strongest at
Computer use
Top 23% of the past year's models · one benchmark so far
Price per 1M tokens
$0.5 / $3
input / output · Alibaba
Context window
262.1K
tokens in · 32.8K out
Since the last one
86 days
after Qwen3.7
Open in the timeline

Capability profile

Scored against 91 models released in the past year. 50 is the average model; further out is better.

This modelMedian of the past year
5090Median of the past yearCoding: 60 · Top 31%Writing: 52 · Better than 36%Reading & documents: 45 · Better than 32%Reasoning: 49 · Better than 29%Math: 42 · Better than 10%Visual reasoning: 29 · Better than 5%Computer use: 77 · Top 23%CodingWritingReadingReasoningMathVisionComputer use
Coding60Top 31% · 1 test
Writing52Better than 36%
Reading & documents45Better than 32%
Reasoning49Better than 29%
Math42Better than 10%
Visual reasoning29Better than 5% · 1 test
Computer use77Top 23% · 1 test

No results yet: Science

Where these scores come from

Each capability combines the published benchmarks listed here, rescaled so 50 is the reference average and 15 points is one standard deviation. A hollow dot rests on a single benchmark.

Price against capability

The shaded corner holds anything better and cheaper. Prices blend input and output 3 to 1.

1 model from the past year scores higher on Computer use for less: Claude Haiku 5.5.

$0.3$1$3$10406080100Muse Spark Open: 61, $2 per 1MClaude Haiku 5.5: 86, $0.2 per 1MGemini 4 Argon: 109, $4 per 1MGPT-6.1 Sol: 82, $4 per 1MClaude Sonnet 5.5: 92, $4 per 1MGPT-6 Sol: 76, $4 per 1MGPT-6 Luna: 57, $0.2 per 1MClaude Opus 5.5: 93, $8 per 1MGrok 4.7: 70, $3 per 1MDeepSeek V4.1 Flash: 68, $0.21 per 1MGPT-6 Astra: 87, $20 per 1MQwen3.8 Max 0902: 47, $3 per 1MMuse Spark 1.3: 62, $2 per 1MGemini 3.8 Flash: 69, $1.5 per 1MClaude Fable 5.1: 79, $20 per 1MGLM-5.3-Flash: 68, $0.24 per 1MGLM-5.3: 73, $2.15 per 1MGemini 3.7 Flash: 68, $1.5 per 1MDeepSeek V4 Pro 0813: 76, $0.99 per 1MGrok 4.6: 68, $3 per 1MMuse Spark 1.2: 74, $2 per 1MQwen3.8 Max: 94, $3 per 1MClaude Opus 5: 79, $10 per 1MGemini 3.6 Flash: 66, $1.5 per 1MGemini 3.5 Flash Lite: 47, $0.85 per 1MKimi K3: 70, $6 per 1MGPT-5.6 Terra: 65, $4.5 per 1MGPT-5.6 Sol: 64, $8 per 1MGPT-5.6 Luna: 55, $0.45 per 1MGrok 4.5: 60, $3 per 1MClaude Sonnet 5: 55, $4 per 1MGLM-5.2: 58, $2.15 per 1MKimi K2.7 Code: 51, $1.71 per 1MClaude Fable 5: 78, $20 per 1MClaude Opus 4.8: 59, $10 per 1MGemini 3.5 Flash: 53, $3.38 per 1MDeepSeek V4 Flash: 57, $0.18 per 1MGPT-5.5: 70, $11.2 per 1MKimi K2.6: 34, $1.71 per 1MClaude Opus 4.7: 64, $10 per 1MMuse Spark 1.1: 60, $2 per 1MGLM-5.1: 55, $2.15 per 1MGPT-5.4: 65, $5.62 per 1MGemini 3.1 Pro Preview: 63, $4.5 per 1MClaude Sonnet 4.6: 55, $6 per 1MQwen3.5 397B-A17B: 52, $1.35 per 1MClaude Opus 4.6: 75, $10 per 1MQwen3.8 27B: 77, $1.12 per 1MQwen3.8 27BPrice per 1M tokens →↑ Computer use$1$10406080100Muse Spark Open: 61, $2 per 1MClaude Haiku 5.5: 86, $0.2 per 1MGemini 4 Argon: 109, $4 per 1MGPT-6.1 Sol: 82, $4 per 1MClaude Sonnet 5.5: 92, $4 per 1MGPT-6 Sol: 76, $4 per 1MGPT-6 Luna: 57, $0.2 per 1MClaude Opus 5.5: 93, $8 per 1MGrok 4.7: 70, $3 per 1MDeepSeek V4.1 Flash: 68, $0.21 per 1MGPT-6 Astra: 87, $20 per 1MQwen3.8 Max 0902: 47, $3 per 1MMuse Spark 1.3: 62, $2 per 1MGemini 3.8 Flash: 69, $1.5 per 1MClaude Fable 5.1: 79, $20 per 1MGLM-5.3-Flash: 68, $0.24 per 1MGLM-5.3: 73, $2.15 per 1MGemini 3.7 Flash: 68, $1.5 per 1MDeepSeek V4 Pro 0813: 76, $0.99 per 1MGrok 4.6: 68, $3 per 1MMuse Spark 1.2: 74, $2 per 1MQwen3.8 Max: 94, $3 per 1MClaude Opus 5: 79, $10 per 1MGemini 3.6 Flash: 66, $1.5 per 1MGemini 3.5 Flash Lite: 47, $0.85 per 1MKimi K3: 70, $6 per 1MGPT-5.6 Terra: 65, $4.5 per 1MGPT-5.6 Sol: 64, $8 per 1MGPT-5.6 Luna: 55, $0.45 per 1MGrok 4.5: 60, $3 per 1MClaude Sonnet 5: 55, $4 per 1MGLM-5.2: 58, $2.15 per 1MKimi K2.7 Code: 51, $1.71 per 1MClaude Fable 5: 78, $20 per 1MClaude Opus 4.8: 59, $10 per 1MGemini 3.5 Flash: 53, $3.38 per 1MDeepSeek V4 Flash: 57, $0.18 per 1MGPT-5.5: 70, $11.2 per 1MKimi K2.6: 34, $1.71 per 1MClaude Opus 4.7: 64, $10 per 1MMuse Spark 1.1: 60, $2 per 1MGLM-5.1: 55, $2.15 per 1MGPT-5.4: 65, $5.62 per 1MGemini 3.1 Pro Preview: 63, $4.5 per 1MClaude Sonnet 4.6: 55, $6 per 1MQwen3.5 397B-A17B: 52, $1.35 per 1MClaude Opus 4.6: 75, $10 per 1MQwen3.8 27B: 77, $1.12 per 1MQwen3.8 27BPrice per 1M tokens →↑ Computer use

OpenRouter $0.039 / $1.25 · Alibaba $0.5 / $3 · Cached input $0.1

Since Qwen3.7

10 releases in the Qwen3.8 27B line.

Qwen3.5 9BFeb 23, 20267dQwen3.5 0.8BMar 2, 20260dQwen3.5 2BMar 2, 20260dQwen3.5 4BMar 2, 202651dQwen3.6 27BApr 22, 202628dQwen3.7May 20, 202686dQwen3.8 27BAug 14, 2026
Released86 days later
ECI STANDING#54 of 270
SCORE151.69149.75–153.72 CI
FRONTIER LAGLaunched 8.8 months behindScores about what Gemini 3 Pro did in November 2025.
SCORES LIKE THESE MODELS
Grok 4.20xAI · Feb 2026152.11
Muse SparkMeta AI · Apr 2026152.03
GLM-5.2Z.ai (Zhipu AI) · Jun 2026151.94
Gemini 3 FlashGoogle DeepMind · Dec 2025151.88
Full Epoch Capabilities Index ranking ↗

Epoch benchmark boards

Best result on each board it has run. The tick marks the leader.

DTBench
88%#54 of 179
ARC-AGI
88%#35 of 107
ARC-AGI-2
42%#39 of 103
APEX-Agents
48%#29 of 51
Surface Evolver Bench
45%#18 of 26
ProofBench
16%#59 of 81

Qwen's past year

48 release days in the past year, about one every 8 days. The next is expected around Nov 2, 2026. Forecasts ↗

NovDecJanFebMarAprMayJunJulAugSepOctNov

Specifications

RELEASE DATEAug 14, 2026
WEIGHTSOpen weights
CONTEXT WINDOW262.1K
MAX OUTPUT32.8K
REASONINGNot listed
TOOL CALLINGNot listed
INPUTStext, image/bmp, image/jpeg, image/png, image/tiff, image/webp, image/heic, video/mp4, video/x-msvideo, video/x-matroska, video/quicktime, video/x-flv, video/x-ms-wmv
OUTPUTStext

Models.dev record ↗

Specifications and prices from Models.dev; availability and limits may differ by provider. Benchmarks from Epoch AI (CC BY 4.0), LiveBench and the other sources named above.