Key Differences
- •Sonnet 4.5 has a larger context window (1M vs 203k tokens)
- •GLM 5 is more affordable for input ($1.00 vs $3.00/1M tokens)
- •GLM 5 is more affordable for output ($3.20 vs $15.00/1M tokens)
- •GLM 5 is newer (released Feb 2026)
203k tokens
Context
1M tokens
—
Knowledge
Jan 2025
Feb 2026
Released
Sep 2025
$1.00/1M
Input
$3.00/1M
$3.20/1M
Output
$15.00/1M
Both GLM 5 and Sonnet 4.5 are available on Zo Computer. Try them both to see which one works best for your use case.