Grok 4.5 vs Qwen3.8-Max

Both are Flagship-tier models, from xAI and Alibaba Qwen respectively. They cost the same at a 4:1 input:output ratio.

Which is cheaper

Side by side

SpecGrok 4.5Qwen3.8-Max
ProviderxAIAlibaba Qwen
TierFlagshipFlagship
Context window500K1M
Max output——
Input $/1M$2.00$2.00
Output $/1M$6.00$6.00
Cache read $/1M$0.30—
Modalitiestext, imagetext

Grok 4.5. Short-context rate, for prompts under 200K tokens. At 200K and above: $4 input / $12 output, cache read $0.60 per 1M. Same input and output price as Grok 4.6 with a cheaper cache read; the previous flagship, not marked deprecated.

Qwen3.8-Max. International (Singapore) USD pricing, flat rate 0<tokens<=1M.

Sources

Grok 4.5 — verified August 29, 2026

Qwen3.8-Max — verified August 29, 2026

Full Grok 4.5 pricing page → · Full Qwen3.8-Max pricing page →