Model comparison

GPT-6 Astra vs GLM 5.3

Compare GPT-6 Astra (OpenAI) and GLM 5.3 (Z Ai) by price, context, capabilities, and latency.

Estimate costAll comparisons

Which should you pick?

  • Price: GLM 5.3 is cheaper ($1.40 / 1M tokens input / $4.40 / 1M tokens output) vs GPT-6 Astra ($10 / 1M tokens input / $50 / 1M tokens output).
  • Context: GPT-6 Astra has the larger context window (1.1M tokens).
  • GPT-6 Astra adds: Vision.

Side by side

GPT-6 Astra vs GLM 5.3 — full comparison

Compare price, provider, context, capabilities, latency, and source basis.

ModelProviderInputOutputContextCapabilitiesBest forLatencyStatusSource
GPT-6 Astraopenai/gpt-6-astraOpenAIStarting at $10 / 1M tokens$50 / 1M tokens1.1M
StreamingTool callingJSON modeVision
image understanding, multimodal chat0-0msCatalogPlatform curated
GLM 5.3z-ai/glm-5.3Z Ai$1.40 / 1M tokens$4.40 / 1M tokens1M
StreamingTool callingJSON modeLong context
General chat via Z Ai, API workloads5355-7205msCatalogPlatform curated

FAQ

GPT-6 Astra vs GLM 5.3 FAQ

Is GPT-6 Astra or GLM 5.3 cheaper?

GLM 5.3 is cheaper ($1.40 / 1M tokens input / $4.40 / 1M tokens output) vs GPT-6 Astra ($10 / 1M tokens input / $50 / 1M tokens output). Actual cost depends on your input/output token mix — estimate it with the pricing calculator.

Which has a larger context window, GPT-6 Astra or GLM 5.3?

GPT-6 Astra is larger (1.1M tokens) vs 1M tokens.

GPT-6 Astra vs GLM 5.3 for Long context: which should I pick?

Both target Long context. Pick GLM 5.3 to optimize cost, or GPT-6 Astra for the longer context window. Test both on real prompts before committing production traffic.

GPT-6 Astra detailsGLM 5.3 detailsPricing calculatorOpenAI-compatible quickstart

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