GitHub Copilot charges GPT 5.5 with a 57x multiplier per request from June first
GitHub has announced changes to its Copilot billing model, transitioning to usage-based billing starting June 1, 2026. The legacy premium request-based billing model will still apply to existing Copilot Pro and Pro+ subscribers who choose to remain on annual plans. Model multipliers will determine the cost per request based on the complexity and resource usage of the models used.
- ▪Starting June 1, 2026, GitHub will implement usage-based billing for Copilot services.
- ▪Existing Copilot Pro and Pro+ subscribers can remain on the legacy premium request-based billing model.
- ▪Model multipliers will dictate the cost per request based on the model's complexity and resource usage.
Opening excerpt (first ~120 words) tap to expand
GitHub Copilot/Reference/Copilot billing/Request-based billing (legacy)/Model multipliers for annual plans (legacy)Model multipliers for annual plans on request-based billing (legacy)Model multipliers for Copilot Pro and Copilot Pro+ subscribers staying on annual plans under request-based billing.Copy as MarkdownIn this articleModel multipliersFurther readingImportant On June 1, 2026, GitHub moved to usage-based billing. The model multipliers in this article apply only to Copilot Pro and Copilot Pro+ subscribers on an existing annual plan who remained on the legacy premium request-based billing model after June 1, 2026.
…
Excerpt limited to ~120 words for fair-use compliance. The full article is at GitHub Docs.