Qwen3.8 Max
2.4-trillion-parameter MoE flagship for coding, professional work, multimodal understanding, and long-horizon agentic workflows
ECI STANDING#14 of 266
SCORE156.62154.85–158.75 CI
FRONTIER LAGLaunched 4.9 months behindScores about what GPT-5.4 Pro did in March 2026.
SCORES LIKE THESE MODELSGPT-5.4OpenAI · Mar 2026156.86GPT-5.3 CodexOpenAI · Feb 2026156.58Gemini 3.8 FlashGoogle DeepMind · Sep 2026156.54Grok 4.6xAI · Aug 2026156.35
Full Epoch Capabilities Index ranking ↗From the lab
Launch announcement · Aug 3, 2026Qwen3.8-Max: A New Bar for Coding and CoworkRELEASE DATEAug 3, 2026
WEIGHTSClosed weights
CONTEXT WINDOW1M
MAX OUTPUT131.1K
REASONINGYes
TOOL CALLINGYes
INPUTStext, image, video, pdf
OUTPUTStext
Specifications from Models.dev. Availability and limits may differ by provider. Benchmark scores come from Epoch AI under CC BY 4.0.