GPT-5.2-Codex

zenmux/openai/gpt-5.2-codex · price provider-declared (via models.dev), USD per 1M tokens. Capabilities: toolsreasoningtextimagepdf.

$4.81Blended $/1M (3:1)

$1.75Input $/1M

$14Output $/1M

$15.751M in + 1M out

$0.17 −90%Cache read $/1M

#4879 of 5,000Cheapest rank

Provider: ZenMux (zenmux)
Context: 400,000 tokens
Max output: 64,000 tokens
Capabilities: toolsreasoningtextimagepdf

Same model, other providers

“GPT-5.2-Codex” is offered by 4 providers — cheapest-effective first. Poe is the cheapest at $4.45 blended.

Provider	Input	Output	Blended	Context
Poe	$1.6	$13	$4.45	400k
ZenMux (this)	$1.75	$14	$4.81	400k
Vercel AI Gateway	$1.75	$14	$4.81	400k
Jiekou.AI	$1.75	$14	$4.81	400k

Call it

jishie indexes & prices models; it does not proxy inference. Most providers are OpenAI-compatible — point base_url at ZenMux and pass this model id:

curl $BASE_URL/v1/chat/completions \
  -H "Authorization: Bearer $API_KEY" -H "Content-Type: application/json" \
  -d '{"model":"openai/gpt-5.2-codex","messages":[{"role":"user","content":"hello"}]}'

Route programmatically with MCP find_model / get_model, or fetch this record free (no wallet):