Qwen3 0.6B vs Qwen3.5 0.8B

Wins 1 of 2 benchmarks
Wins 0 of 2 benchmarks
Qwen3 0.6B4.9
Qwen3.5 0.8B1.1
Qwen3 0.6B—
Qwen3.5 0.8B25.8

Specs

SpecQwen3 0.6BQwen3.5 0.8B
Input, per 1M$0.04$0.01
Output, per 1M$0.08$0.05
Context33K262K
WeightsOpenOpen
ReleasedApr 2025Mar 2026
Memory (4-bit)0.4 GB0.4 GB
LicenceApache-2.0Apache-2.0
Commercial useAllowedAllowed
See images—✓
Read PDFs?—
Hear audio——
Watch video——
Call tools✓✓
Force a tool call??
Return strict JSONPartialPartial
Search the web??
Run code??
Use a computer??

What breaks when you switch

Qwen3 0.6B → Qwen3.5 0.8B
Nothing known.
Qwen3.5 0.8B → Qwen3 0.6B
Context: 262K → 33K
No image input