Codex

OpenRouter listingcodex
established

Sightings observed Codex with 10 models in OpenRouter-published model-page evidence. The app was first observed by Sightings on ; relationship dates record when Sightings first saw each pairing, not when usage began.

Global rank
#7
public app rankings
Tokens · yday
224.7B
closed UTC day
Models observed
10
model pages expose top 5
First observed
2026-01-10
by Sightings

What it is

A coding agent that helps you build and ship with AI. Codex uses OpenRouter to access hundreds of AI models.

OpenRouter listing ↗

Models observed with this app

Early adopter — relationship first observed within 30 days of the model's OpenRouter listing. First-observed dates are when Sightings first saw the pairing, not the start of an app's model usage.

ModelTokens · latestFirst observed
OpenAI: GPT-6 Astraopenai/gpt-6-astraearly adopter340B
Meta: Muse Spark 1.3 Contributormeta/muse-spark-1.3-contributorearly adopter192B
OpenAI: GPT-5.6 Terraopenai/gpt-5.6-terra102B
OpenAI: GPT-5.6 Luna Proopenai/gpt-5.6-luna-pro57B
Meta: Muse Spark 1.2 Contributormeta/muse-spark-1.2-contributorearly adopter23.5B
OpenAI: GPT-6 Astra Proopenai/gpt-6-astra-proearly adopter4.87B
Meta: Muse Spark 1.3meta/muse-spark-1.3early adopter2.44B
Sakana: Fugu Ultra v2sakana/fugu-ultra-v2early adopter77M
OpenAI: GPT-5.6 Lunaopenai/gpt-5.6-luna1.46T
OpenAI: GPT-5.6 Solopenai/gpt-5.6-sol1.73T