Llama-3.2-3B-Instruct vs GPT-3.5 Turbo

API pricing, benchmark indices and specs — updated 19 October 2026.

meta-llama · A · Open weights
Params
3.2 B
Context
—
30d
1.1 M
llama3.2 licence · conditional
openai · B · API-only
Input / 1M
$0.50
Output / 1M
$1.50
AA index
5.5
proprietary · 16.4K context

Specification comparison

Differences are highlighted; identical values are muted.

Specification Llama-3.2-3B-Instruct GPT-3.5 Turbo
Deployment Open weights · also via API API-only (closed weights)
Parameters 3.2 B n/a — API-only
Architecture LlamaForCausalLM n/a — API-only
Context length 80,000 16,385
Licence llama3.2 Proprietary
Commercial use Conditional Per API terms
Languages 8 n/a — API-only
Downloads 30d 1,112,418 n/a — API-only
Downloads all time 50.4 M n/a — API-only
Quantizations on the Hub SAFETENSORS n/a — API-only
Gated Yes — accept licence n/a — API-only
First seen on the Hub 2024-09-18 n/a — API-only
API input price / 1M tokens $0.051 $0.50
API output price / 1M tokens $0.34 $1.50
Est. cost per 1M input + 1M output tokens $0.39 $2.00
Cached input / 1M tokens — —
AA Intelligence Index 5.7 5.5
AA Coding Index — 10.7
AA Agentic Index — —
Max output tokens 72,000 4,096
API providers 2 1
Tool calling No Yes
Reasoning mode No No

API cost

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

Llama-3.2-3B-Instruct $0.39
GPT-3.5 Turbo $2.00

Llama-3.2-3B-Instruct is 5.2× cheaper at list price.

VRAM side by side

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

Llama-3.2-3B-Instruct · fp16 8.0 GB / 24 GB
✅ Runs comfortably

Adjacent comparisons