DeepSeek-V3 vs LongCat-2.0

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

deepseek-ai · A · Open weights
Params
684.5 B
Context
163,840
30d
1.3 M
meituan-longcat · B · Open weights
Params
1,775.6 B
Context
262,144
30d
3 K
mit · commercial OK

Specification comparison

Differences are highlighted; identical values are muted.

Specification DeepSeek-V3 LongCat-2.0
Deployment Open weights · also via API Open weights · also via API
Parameters 684.5 B 1,775.6 B
Architecture DeepseekV3ForCausalLM LongcatCausalLM
Context length 163,840 262,144
Licence — mit
Commercial use Unknown Allowed
Languages — —
Downloads 30d 1,344,492 2,563
Downloads all time 22.5 M 9 K
Quantizations on the Hub SAFETENSORS SAFETENSORS
Gated No No
First seen on the Hub 2024-12-25 2026-07-05
API input price / 1M tokens $0.26 $0.30
API output price / 1M tokens $1.03 $1.20
Est. cost per 1M input + 1M output tokens $1.29 $1.50
Cached input / 1M tokens — $0.006
AA Intelligence Index — 19.1
AA Coding Index — 45.3
AA Agentic Index — 14
Max output tokens 16,000 262,144
API providers 2 1
Tool calling Yes Yes
Reasoning mode No Yes

API cost

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

DeepSeek-V3 $1.29
LongCat-2.0 $1.50

DeepSeek-V3 is 1.2× cheaper at list price.

Download trend

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

1.5 M2 K
DeepSeek-V3 LongCat-2.0

VRAM side by side

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

DeepSeek-V3 · fp16 @ 160K ctx 2,811.5 GB / 24 GB
❌ Won’t fit
LongCat-2.0 · fp16 @ 256K ctx 12,430.1 GB / 24 GB
❌ Won’t fit

Adjacent comparisons