Qwen2.5-1.5B-Instruct vs pythia-410m

Specs, VRAM requirements and download trends — updated 6 August 2026.

Qwen · A
Params
1.5 B
Context
32,768
30d
14.0 M
apache-2.0 · commercial OK
EleutherAI · B
Params
510 M
Context
2,048
30d
257 K
apache-2.0 · commercial OK

Specification comparison

Differences are highlighted; identical values are muted.

Specification Qwen2.5-1.5B-Instruct pythia-410m
Parameters 1.5 B 510 M
Architecture Qwen2ForCausalLM GPTNeoXForCausalLM
Context length 32,768 2,048
Licence apache-2.0 apache-2.0
Commercial use Allowed Allowed
Languages 1 1
Downloads 30d 13,977,170 257,297
Downloads all time 206.3 M 2.9 M
Quantizations on the Hub SAFETENSORS SAFETENSORS
Gated No No
First seen on the Hub 2024-09-17 2023-02-13

Download trend

Daily snapshots, last 10 days (28 Jul – 6 Aug)

14.2 M253 K
Qwen2.5-1.5B-Instruct pythia-410m

VRAM side by side

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

pythia-410m · fp16 1.6 GB / 24 GB
✅ Runs comfortably
Qwen2.5-1.5B-Instruct · fp16 4.1 GB / 24 GB
✅ Runs comfortably

Adjacent comparisons