# Agent Usage Optimizer Provider Capability Reference

> Sub-skill of agent-usage-optimizer: Provider Capability Reference.

- Skill: `vamseeachanta/agent-usage-optimizer-provider-capability-reference` (Agent Skill)
- Install (CLI): `npx skillmds@latest add vamseeachanta/agent-usage-optimizer-provider-capability-reference`
- Raw SKILL.md: https://api.skillmd.com/api/skills/vamseeachanta/agent-usage-optimizer-provider-capability-reference/raw
- Safety review: PASS (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: AI & ML
- Author: vamseeachanta (https://skillmd.com/u/vamseeachanta)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/vamseeachanta/agent-usage-optimizer-provider-capability-reference

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# Provider Capability Reference

## Provider Capability Reference


| Provider       | Strengths                                          | Avoid When                          |
|----------------|----------------------------------------------------|-------------------------------------|
| Codex Opus    | Architecture, deep reasoning, compound tasks       | Quota < 20%; simple tasks           |
| Codex Sonnet  | Standard code, reviews, balanced quality/speed     | Quota < 20% and Route C needed      |
| Codex Haiku   | Bulk data, summarisation, cost-effective volume    | Architecture or security decisions  |
| Codex          | Focused code gen, unit tests, debugging functions  | Long-context docs; planning work    |
| Gemini         | Long-context analysis, large files, cross-repo     | Fine-grained code edits             |