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Glm-5.3 — and what?

Pricing per million tokens, context window, capabilities — pulled from each provider's public docs. All 1 are available via the same AIgateway OpenAI-compatible endpoint; flip the model string to switch.

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Glm-5.3
zai-org/glm-5.3
Provider
Zai-org
Family
Modality
text
Context window
1,310,720 tok
Max output
131,072 tok
Released
2026-08-14
License
Open-weight
Input price
$1.40 /1M
Output price
$4.40 /1M
Tools
yes
Streaming
yes
Vision
JSON mode
yes
Reasoning
yes
Prompt caching
Batch API
Try it
Open in playground →
Glm-5.3
zai-org/glm-5.3
Full spec →

GLM-5.3 is Z.ai's flagship agentic coding model, pairing a 1M-token context window with reasoning, function calling, and structured outputs to power multi-step, tool-driven development workflows.

Strengths
  • General-purpose chat
  • Long context
  • Tool use
Use cases
ChatbotsContent generationAgentic workflows

Compare with another

Claude Fable 5.1 vs Glm-5.3
anthropic/claude-fable-5.1 · zai-org/glm-5.3
Gemini 3.8 Flash vs Glm-5.3
google/gemini-3.8-flash · zai-org/glm-5.3
Claude Opus 5 vs Glm-5.3
anthropic/claude-opus-5 · zai-org/glm-5.3
Grok 4.6 vs Glm-5.3
xai/grok-4.6 · zai-org/glm-5.3
Glm-5.3 vs Kimi K3
zai-org/glm-5.3 · moonshot/kimi-k3
Glm-5.3 vs Qwen3.8 Max
zai-org/glm-5.3 · alibaba/qwen3.8-max
Glm-5.3 vs Qwen3.8-27b
zai-org/glm-5.3 · qwen/qwen3.8-27b
Glm-5.3 vs GPT-5.6 Sol
zai-org/glm-5.3 · openai/gpt-5.6-sol
Glm-5.3 vs Gemini 3.1 Pro
zai-org/glm-5.3 · google/gemini-3.1-pro