Model comparison

Kimi K3 GLB vs GPT-5 Codex

Compare Kimi K3 GLB (Moonshotai) and GPT-5 Codex (OpenAI) by price, context, capabilities, and latency.

Estimate costAll comparisons

Which should you pick?

  • Price: GPT-5 Codex is cheaper ($1.25 / 1M tokens input / $10 / 1M tokens output) vs Kimi K3 GLB ($3 / 1M tokens input / $15 / 1M tokens output).
  • Context: Kimi K3 GLB has the larger context window (1M tokens).

Side by side

Kimi K3 GLB vs GPT-5 Codex — full comparison

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

ModelProviderInputOutputContextCapabilitiesBest forLatencyStatusSource
Kimi K3 GLBmoonshotai/kimi-k3-glbMoonshotai$3 / 1M tokens$15 / 1M tokens1M
Streaming
General chat via Moonshotai, API workloads2509-9839msCatalogPlatform curated
GPT-5 Codexopenai/gpt-5-codexOpenAI$1.25 / 1M tokens$10 / 1M tokens400k
Streaming
General chat via OpenAI, API workloads1780-3306msCatalogPlatform curated

FAQ

Kimi K3 GLB vs GPT-5 Codex FAQ

Is Kimi K3 GLB or GPT-5 Codex cheaper?

GPT-5 Codex is cheaper ($1.25 / 1M tokens input / $10 / 1M tokens output) vs Kimi K3 GLB ($3 / 1M tokens input / $15 / 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 GLB or GPT-5 Codex?

Kimi K3 GLB is larger (1M tokens) vs 400k tokens.

Kimi K3 GLB vs GPT-5 Codex for High quality: which should I pick?

Both target High quality. Pick GPT-5 Codex to optimize cost, or Kimi K3 GLB for the longer context window. Test both on real prompts before committing production traffic.

Kimi K3 GLB detailsGPT-5 Codex detailsPricing calculatorOpenAI-compatible quickstart