# LLM Models Reference

> Reference guide for OpenAI model IDs, capabilities, pricing, and provider endpoints. Use when selecting a model, comparing OpenAI capabilities, or validating model IDs for {{PROJECT_NAME}}. Use when this capability is needed.

- Skill: `tomevault-io/llm-models-reference` (Agent Skill, multi-file: 2 files)
- Install (CLI): `npx skillmds@latest add tomevault-io/llm-models-reference`
- Raw SKILL.md: https://api.skillmd.com/api/skills/tomevault-io/llm-models-reference/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: AI & ML
- Author: tomevault-io (https://skillmd.com/u/tomevault-io)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/tomevault-io/llm-models-reference

---


# OpenAI Models Reference

Use this skill as a pointer to the full reference document.

**Project context:** Fill placeholders in this skill and the reference doc using `codex/PROJECT_CONTEXT.md`.

## Quick Start

- `python codex/skills/llm-models-reference/scripts/check_reference_age.py`
- Read `codex/skills/llm-models-reference/references/llm-models.md` for model lineups, pricing, capability matrices, and API examples.

## Bundled Resources

### References
- `references/llm-models.md`: OpenAI model IDs, pricing, capability matrices, API examples.

### Scripts
- `scripts/check_reference_age.py`: check last-updated age.
- `scripts/fetch_openai_models.py`: fetch current OpenAI models via API.

## Fetching Latest Models

Requires an OpenAI API key in the environment:

```bash
export OPENAI_API_KEY="sk-..."
python codex/skills/llm-models-reference/scripts/fetch_openai_models.py
```

---
> Converted and distributed by [TomeVault](https://tomevault.io/claim/ak-eyther) — claim your Tome and manage your conversions.
<!-- tomevault:4.0:skill_md:2026-04-15 -->