Model comparison

GPT-4o-mini vs GPT 5 Codex

Compare OpenAI: GPT-4o-mini (OpenAI) and GPT 5 Codex (OpenAI) by price, context, capabilities, and latency.

Estimate costAll comparisons

Which should you pick?

  • Price: OpenAI: GPT-4o-mini is cheaper ($0.15 / 1M tokens input / $0.6 / 1M tokens output) vs GPT 5 Codex ($1.25 / 1M tokens input / $10 / 1M tokens output).
  • Context: OpenAI: GPT-4o-mini has the larger context window (128k tokens).
  • OpenAI: GPT-4o-mini adds: Tool calling, JSON mode, Vision, Long context.

Side by side

OpenAI: GPT-4o-mini vs GPT 5 Codex — full comparison

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

ModelProviderInputOutputContextCapabilitiesBest forLatencyStatusSource
OpenAI: GPT-4o-miniopenai/gpt-4o-miniOpenAI$0.15 / 1M tokens$0.6 / 1M tokens128k
StreamingTool callingJSON modeVision
image understanding, multimodal chat1601-2808msCatalogPlatform curated
GPT 5 Codexopenai/gpt-5-codexOpenAI$1.25 / 1M tokens$10 / 1M tokens—
Streaming
General chat via OpenAI, API workloads1202-5837msCatalogPlatform curated

FAQ

OpenAI: GPT-4o-mini vs GPT 5 Codex FAQ

Is OpenAI: GPT-4o-mini or GPT 5 Codex cheaper?

OpenAI: GPT-4o-mini is cheaper ($0.15 / 1M tokens input / $0.6 / 1M tokens output) vs GPT 5 Codex ($1.25 / 1M tokens input / $10 / 1M tokens output). Actual cost depends on your input/output token mix — estimate it with the pricing calculator.

Which has a larger context window, OpenAI: GPT-4o-mini or GPT 5 Codex?

OpenAI: GPT-4o-mini is larger (128k tokens) vs — tokens.

OpenAI: GPT-4o-mini detailsGPT 5 Codex detailsPricing calculatorOpenAI-compatible quickstart

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