Is Qwen1.5-72B or Qwen3.5 122B-A10B cheaper?

Qwen1.5-72B and Qwen3.5 122B-A10B have comparable output pricing.

Which has the larger context window, Qwen1.5-72B or Qwen3.5 122B-A10B?

Qwen3.5 122B-A10B has the larger context window (262K tokens).

Qwen1.5-72B vs Qwen3.5 122B-A10B

Both have similar output pricing, while Qwen3.5 122B-A10B offers a larger context window. Choose Qwen1.5-72B or Qwen3.5 122B-A10B based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	Qwen1.5-72B	Qwen3.5 122B-A10B
Provider	Alibaba	Alibaba
Input / 1M tokens	—	$0.40
Output / 1M tokens	—	$3.20
Context window	—	262K
Parameters	72B	122B
Open weights	Yes	Yes
Released	Feb 2024	Feb 2026

Qwen1.5-72B details →Qwen3.5 122B-A10B details →

FAQ

Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.