Qwen3.8-Max vs Kimi K3

Alibaba's Qwen3.8-Max and Moonshot AI's Kimi K3 compared on specs, pricing, and capabilities — as configured in AI Crucible ensembles.

Qwen3.8-Max input tokens are 1.5x cheaper than Kimi K3 ($2.40 vs $3.60 per 1M tokens).
Qwen3.8-Max output tokens are 2.5x cheaper than Kimi K3 ($7.20 vs $18.00 per 1M tokens).
Kimi K3 offers the larger context window: 1.048576M tokens vs 1M tokens for Qwen3.8-Max.

Specification	Qwen3.8-Max	Kimi K3
Provider	Alibaba	Moonshot AI
API model ID	qwen3.8-max	kimi-k3
Description	Alibaba's flagship Qwen3.8 model with 1M context, native thinking, and vision, at lower cost than Qwen3.7-Max.	Moonshot AI's 2.8T-parameter flagship for long-horizon coding and knowledge work, with always-on reasoning, vision, and 1M context.
Context window	1M tokens	1.048576M tokens
Max output tokens	131,072	8,192
Input cost ($/1M tokens)	$2.40	$3.60
Output cost ($/1M tokens)	$7.20	$18.00
Cache read cost ($/1M tokens)	$0.30	$0.36
Latency	medium	high
Reasoning model	Yes	Yes
Vision (image input)	Yes	Yes
Tool use	Yes	Yes