Model comparison

GPT-5 Codex vs Text Embedding 3 Large

Compare GPT-5 Codex (OpenAI) and Text Embedding 3 Large (OpenAI) by price, context, capabilities, and latency.

Which should you pick?

Price: Text Embedding 3 Large is cheaper ($0.13 / 1M tokens input / $0 / 1M tokens output) vs GPT-5 Codex ($1.25 / 1M tokens input / $10 / 1M tokens output).
Context: GPT-5 Codex has the larger context window (400k tokens).

Side by side

GPT-5 Codex vs Text Embedding 3 Large — full comparison

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

Model	Provider	Input	Output	Context	Capabilities	Best for	Latency	Status	Source
GPT-5 Codexopenai/gpt-5-codex	OpenAI	$1.25 / 1M tokens	$10 / 1M tokens	400k	Streaming	General chat via OpenAI, API workloads	1780-3306ms	Catalog	Platform curated
Text Embedding 3 Largeopenai/text-embedding-3-large	OpenAI	$0.13 / 1M tokens	$0 / 1M tokens	—	Streaming	General chat via OpenAI, API workloads	0-0ms	Catalog	Platform curated

FAQ

GPT-5 Codex vs Text Embedding 3 Large FAQ

Is GPT-5 Codex or Text Embedding 3 Large cheaper?

Text Embedding 3 Large is cheaper ($0.13 / 1M tokens input / $0 / 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, GPT-5 Codex or Text Embedding 3 Large?

GPT-5 Codex is larger (400k tokens) vs — tokens.

GPT-5 Codex vs Text Embedding 3 Large for High quality: which should I pick?

Both target High quality. Pick Text Embedding 3 Large to optimize cost, or GPT-5 Codex for the longer context window. Test both on real prompts before committing production traffic.

GPT-5 Codex details Text Embedding 3 Large details Pricing calculator OpenAI-compatible quickstart