Folkbench · Which AI API relay should you choose? October 2026 guide
Published rankings
Claude Opus 5.5
View full model rankingsClaude Fable 5.1
View full model rankingsGPT 6 Sol
View full model rankingsGrok 4.7
View full model rankingsGPT 6.1 Sol
View full model rankingsGPT 6 Astra
View full model rankingsChoose by workload
Conversations: model and budget first
Occasional chats and sustained daily use have different needs. Find the model in the directory and retain only the groups you need. Check input and output rates as well as minimum top-up conditions. Quote-only listings can inform a budget, but a low rate does not establish reliability. In the model rankings, inspect the observation windows available and whether they overlap your intended hours.
Coding: complete a real workflow
A candidate should complete the request flow your client actually uses. Check tool calls, streaming and retries with a small reproducible task, then compare the actual charge. The GPT / Codex and Claude guides contain separate compatibility and cost checks. A successful ordinary chat cannot replace this step, and records for another model do not establish compatibility for yours.
Ongoing applications: include a fallback
Service terms, data handling and incident response matter for sustained use. Check the operator, contact and refund conditions, retain a configuration you can switch, and validate the same task with a backup. This guide offers no cross-model winner or guarantee of continuous availability. Resolve gaps in public information with the provider before including a service in your application.
Build your shortlist
- Write down the required model ID, client, interface and usage range. Remove services that cannot meet these requirements.
- Compare input and output quotes in the same model and currency. Leave unknown charges as questions to resolve rather than treating them as zero.
- Run a complete small task with an account you are authorized to test. Record the response, charge and failure handling before increasing usage.
API relay review questions
Which relay is best in October 2026?
There is no single answer for every model and workflow. Establish your model, interface and budget, then inspect its published records below. Scores from different models are not combined into an overall ranking.
Should I prioritize price or availability?
First meet compatibility and service requirements, then weigh your budget against acceptable interruptions. Price describes cost and measured availability describes observed outcomes; neither replaces the other.
Can I consider a relay without platform measurements?
You can keep it as a candidate to verify, but cannot treat it as tested. A public quote only informs budgeting. Validate your task and review service conditions before increasing usage.
Will this guide create a new page every month?
No. It uses a stable URL, with the month taken from its editorial review date. Quotes and rankings come from current public records; the guide date changes only after an actual review and edit.