Free tool
GPT and Codex Model Advisor
Pick GPT-5.5 or Codex-style model values from workload, latency, and streaming needs.
Recommendation
gpt-5.5
Fallback: codex-5.4
Interactive product chat defaults to GPT-5.5 for conversational quality.
- Store model values in server-side configuration, not client bundles.
- Document fallback behavior before customer-facing rollout.
- Monitor token volume and connection pressure after model changes.
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Choose Unlimited Weekly or Unlimited Monthly, complete Stripe checkout, and receive manual setup in 10 minutes to 5 hours. The full API key arrives by email, while the dashboard safely shows delivery details.