DeepSeek-V4-Flash vs GLM-4.5-Air

Specs, VRAM requirements and download trends — updated 24 October 2026.

deepseek-ai · A · Open weights
Params
158.1 B
Context
1,048,576
30d
809 K
mit · commercial OK
zai-org · B · Open weights
Params
110.5 B
Context
131,072
30d
850 K
mit · commercial OK

Specification comparison

Differences are highlighted; identical values are muted.

Specification DeepSeek-V4-Flash GLM-4.5-Air
Deployment Open weights · also via API Open weights · also via API
Parameters 158.1 B 110.5 B
Architecture DeepseekV4ForCausalLM Glm4MoeForCausalLM
Context length 1,048,576 131,072
Licence mit mit
Commercial use Allowed Allowed
Languages — 2
Downloads 30d 809,273 850,129
Downloads all time 12.9 M 5.5 M
Quantizations on the Hub SAFETENSORS SAFETENSORS
Gated No No
First seen on the Hub 2026-04-22 2025-07-20
API input price / 1M tokens $0.091 $0.13
API output price / 1M tokens $0.18 $0.85
Est. cost per 1M input + 1M output tokens $0.27 $0.98
Cached input / 1M tokens $0.018 $0.025
AA Intelligence Index 24.4 11.1
AA Coding Index 52 —
AA Agentic Index 26.3 —
Max output tokens 943,717 98,304
API providers 15 3
Tool calling Yes Yes
Reasoning mode Yes Yes

API cost

Estimated cost of 1M input + 1M output tokens via OpenRouter

DeepSeek-V4-Flash $0.27
GLM-4.5-Air $0.98

DeepSeek-V4-Flash is 3.6× cheaper at list price.

Download trend

Daily snapshots, last 89 days (28 Jul – 24 Oct)

3.1 M184 K
DeepSeek-V4-Flash GLM-4.5-Air

VRAM side by side

On RTX 4090 · 24 GB · 8K context unless noted

GLM-4.5-Air · fp16 @ 128K ctx 508.7 GB / 24 GB
❌ Won’t fit
DeepSeek-V4-Flash · fp16 @ 1024K ctx 3,211.0 GB / 24 GB
❌ Won’t fit

Adjacent comparisons