Is Pro/zai-org/GLM-5.1 or deepseek-ai/DeepSeek-V3 cheaper?

deepseek-ai/DeepSeek-V3 is cheaper on output tokens ($1.00 vs $4.40 per 1M).

Which has the larger context window, Pro/zai-org/GLM-5.1 or deepseek-ai/DeepSeek-V3?

Pro/zai-org/GLM-5.1 has the larger context window (205K tokens).

Pro/zai-org/GLM-5.1 vs deepseek-ai/DeepSeek-V3

deepseek-ai/DeepSeek-V3 is cheaper on output tokens, while Pro/zai-org/GLM-5.1 offers a larger context window. Choose Pro/zai-org/GLM-5.1 or deepseek-ai/DeepSeek-V3 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	Pro/zai-org/GLM-5.1	deepseek-ai/DeepSeek-V3
Provider	SiliconFlow (China)	SiliconFlow (China)
Input / 1M tokens	$1.40	$0.25
Output / 1M tokens	$4.40	$1.00
Context window	205K	164K
Parameters	—	671B
Open weights	Yes	No
Released	Apr 2026	Dec 2024

Pro/zai-org/GLM-5.1 details →deepseek-ai/DeepSeek-V3 details →

FAQ

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