Model comparison

Kimi K3 vs GPT-6 Astra

Compare Kimi K3 (Moonshotai) and GPT-6 Astra (OpenAI) by price, context, capabilities, and latency.

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Which should you pick?

  • Price: Kimi K3 is cheaper ($2.95 / 1M tokens input / $14.71 / 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).

Side by side

Kimi K3 vs GPT-6 Astra — full comparison

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

ModelProviderInputOutputContextCapabilitiesBest forLatencyStatusSource
Kimi K3moonshotai/kimi-k3Moonshotai$2.95 / 1M tokens$14.71 / 1M tokens1M
StreamingTool callingJSON modeVision
image understanding, multimodal chat1837-5615msCatalogPlatform curated
GPT-6 Astraopenai/gpt-6-astraOpenAIStarting at $10 / 1M tokens$50 / 1M tokens1.1M
StreamingTool callingJSON modeVision
image understanding, multimodal chat3481-4508msCatalogPlatform curated

FAQ

Kimi K3 vs GPT-6 Astra FAQ

Is Kimi K3 or GPT-6 Astra cheaper?

Kimi K3 is cheaper ($2.95 / 1M tokens input / $14.71 / 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, Kimi K3 or GPT-6 Astra?

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

Kimi K3 vs GPT-6 Astra for Vision: which should I pick?

Both target Vision. Pick Kimi K3 to optimize cost, or GPT-6 Astra for the longer context window. Test both on real prompts before committing production traffic.

Kimi K3 detailsGPT-6 Astra detailsPricing calculatorOpenAI-compatible quickstart

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