Codex

OpenRouter listingcodex
established

Sightings observed Codex with 35 models in OpenRouter-published model-page evidence. The app was first observed by Sightings on ; first-observed dates record when Sightings first saw each pairing, not when usage began.

Global rank
#6
public app rankings
Tokens · yday
250.3B
closed UTC day
Models observed
35
model pages expose top 5
First observed
2026-01-10
by Sightings

What it is

See which AI models Codex uses on OpenRouter, ranked by token usage. A coding agent that helps you build and ship with AI

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. Last observed is the latest recorded model-page evidence for each pairing. An observation does not establish continued or exclusive usage, or reveal the app’s full private infrastructure.

ModelTokens · latestFirst observedLast observed
openai/gpt-5.6-solopenai/gpt-5.6-sol684B
openai/gpt-6-solopenai/gpt-6-sol540B
openai/gpt-5.6-lunaopenai/gpt-5.6-luna501B
moonshotai/kimi-k3moonshotai/kimi-k3231B
openai/gpt-6-luna-proopenai/gpt-6-luna-pro207B
openai/gpt-6.1-terraopenai/gpt-6.1-terra156B
meta/muse-spark-1.3-contributormeta/muse-spark-1.3-contributor155B
anthropic/claude-opus-5anthropic/claude-opus-598B
moonshotai/kimi-k3.1-promoonshotai/kimi-k3.1-pro91.1B
qwen/qwen3.8-27bqwen/qwen3.8-27b79.8B
x-ai/grok-4.7x-ai/grok-4.776.4B
openai/gpt-5.6-terraopenai/gpt-5.6-terra68.3B
openai/gpt-5.6-luna-proopenai/gpt-5.6-luna-pro57B
qwen/qwen3.8-maxqwen/qwen3.8-max48.8B
meta/muse-spark-1.2-contributormeta/muse-spark-1.2-contributor23.5B
qwen/qwen3.8-flashqwen/qwen3.8-flash22.6B
meta/muse-spark-1.3meta/muse-spark-1.320.2B
mistralai/mistral-large-4-0mistralai/mistral-large-4-013.2B
reflection/beam-1.0-501b-a23breflection/beam-1.0-501b-a23b10.2B
openai/gpt-6-astra-proopenai/gpt-6-astra-pro6.43B
openai/gpt-6.1-sol-proopenai/gpt-6.1-sol-pro5.85B
tencent/hy4-previewtencent/hy4-preview4.59B
z-ai/glm-5.3-primez-ai/glm-5.3-prime4.34B
openai/gpt-6-sol-proopenai/gpt-6-sol-pro2.82B
qwen/qwen3.8-omni-flashqwen/qwen3.8-omni-flash2.12B
meta/muse-wondermeta/muse-wonder1.46B
google/gemini-4-argongoogle/gemini-4-argon821M
qwen/qwen3.8-max-primeqwen/qwen3.8-max-prime596M
unbiased/paretounbiased/pareto305M
nex-agi/nex-n2.5-pronex-agi/nex-n2.5-pro206M
nvidia/nemotron-3.5-super-vlnvidia/nemotron-3.5-super-vl121M
sakana/fugu-ultra-v2sakana/fugu-ultra-v281.6M
openai/gpt-6-astraopenai/gpt-6-astra1.1T
openai/gpt-6-lunaopenai/gpt-6-luna4.74T
openai/gpt-6.1-solopenai/gpt-6.1-sol2.76T