gpt-oss-20b vs Laguna-XS.2

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

openai · A · Open weights
Params
21.5 B
Context
131,072
30d
5.7 M
apache-2.0 · commercial OK
poolside · B · Open weights
Params
33.4 B
Context
262,144
30d
593 K
apache-2.0 · commercial OK

Specification comparison

Differences are highlighted; identical values are muted.

Specification gpt-oss-20b Laguna-XS.2
Deployment Open weights · also via API Open weights
Parameters 21.5 B 33.4 B
Architecture GptOssForCausalLM LagunaForCausalLM
Context length 131,072 262,144
Licence apache-2.0 apache-2.0
Commercial use Allowed Allowed
Languages — —
Downloads 30d 5,656,843 592,770
Downloads all time 105.0 M 1.0 M
Quantizations on the Hub SAFETENSORS SAFETENSORS
Gated No No
First seen on the Hub 2025-08-04 2026-04-23
API input price / 1M tokens $0.018 not on OpenRouter
API output price / 1M tokens $0.09 not on OpenRouter
Est. cost per 1M input + 1M output tokens $0.11 not on OpenRouter
Cached input / 1M tokens $0.009 not on OpenRouter
AA Intelligence Index 10 not on OpenRouter
AA Coding Index — not on OpenRouter
AA Agentic Index — not on OpenRouter
Max output tokens 32,768 not on OpenRouter
API providers 10 not on OpenRouter
Tool calling Yes not on OpenRouter
Reasoning mode Yes not on OpenRouter

API cost

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

gpt-oss-20b $0.11

Download trend

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

8.6 M188 K
gpt-oss-20b Laguna-XS.2

VRAM side by side

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

gpt-oss-20b · fp16 @ 128K ctx 82.4 GB / 24 GB
❌ Won’t fit
Laguna-XS.2 · fp16 @ 256K ctx 234.6 GB / 24 GB
❌ Won’t fit

Adjacent comparisons