GLM 5.3
Z.ai's flagship. Reach for it on complex, long-horizon coding when DeepSeek V4.1 Flash falls short. It reads text only; when complex work involves images, use Kimi K3.1 Pro.
- Price per 1M tokens
- $1.40 in$4.40 out
- $0.26 cache read
- Context
- 1M
- 128K max output
- Parameters
- 744B
- 40B active
- Text only
- Tool calling
- Reasoning always on, default max
How it ranks
Against every model we serve, best first. About the scores
- Kimi K3.1 Pro46
- DeepSeek V4.1 Flash33
- GLM 5.332
Not ranked, reported on another version: Kimi K3 (Intelligence v4.3: 44).
- DeepSeek V4.1 Flash77%
- Kimi K3.1 Pro75.5%
- GLM 5.369%
- Kimi K368.5%
- Kimi K3.1 Pro67.2%
- DeepSeek V4.1 Flash42.3%
- GLM 5.341.9%
Not ranked, reported on another version: Kimi K3 (Terminal-Bench 2.1: 85%).
Pricing
- Input
- $1.40 per 1M tokens
- Output
- $4.40 per 1M tokens
- Cache read
- $0.26 per 1M tokens
Specs
- Context window
- 1M tokens
- Max output
- 128K tokens
- Parameters
- 744B total, 40B active per token
- Vision
- No, text only
- Tool calling
- Yes
- Reasoning
- Always on (low, high, max)
- Default effort
- max
- Weights
- FP8, official release
- In production since
- August 29, 2026
Quickstart
Pick your tool; the command already carries this model's id. More tools (Pi, Copilot, Zed, omp) in the setup guides.
OpenCode
Built inLaunch OpenCode on this model with the umans CLI. Umans AI is also built into OpenCode: run /connect and pick it.
curl -fsSL https://api.code.umans.ai/cli/install.sh | bash # once
umans opencode --model umans-glm-5.3Or consider
- DeepSeek V4.1 Flash$0.15 in · $0.60 out per 1MBest for fast agentic coding at a low price.DeepSWE 77%
- Kimi K3.1 Pro$2.00 in · $10.00 out per 1MBest for the hardest agentic coding tasks.DeepSWE 75.5%
- Kimi K3$3.00 in · $15.00 out per 1MKimi K3: Moonshot's most capable model and the first open 3T-class release - 2.8T parameters, a 1M-token context window, and native vision, built for repository-scale understanding and long agentic runs.DeepSWE 68.5%
