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| 1 | +--- |
| 2 | +title: Model multipliers for annual plans staying on request-based billing |
| 3 | +intro: 'After June 1, 2026, model multipliers will change for {% data variables.copilot.copilot_pro_short %} and {% data variables.copilot.copilot_pro_plus_short %} subscribers staying on annual plans under request-based billing.' |
| 4 | +shortTitle: Model multipliers for annual plans |
| 5 | +versions: |
| 6 | + feature: copilot |
| 7 | +category: |
| 8 | + - Learn about Copilot |
| 9 | +allowTitleToDifferFromFilename: true |
| 10 | +contentType: reference |
| 11 | +--- |
| 12 | + |
| 13 | +> [!IMPORTANT] The model multiplier changes outlined in this article apply only to {% data variables.copilot.copilot_pro_short %} and {% data variables.copilot.copilot_pro_plus_short %} subscribers who stay on their **existing annual plan** after June 1, 2026 and remain on the **premium request-based billing** model. |
| 14 | +> |
| 15 | +> If you choose to switch to monthly usage-based billing (with a prorated refund), these multiplier changes **do not apply** to you. |
| 16 | +
|
| 17 | +## What is changing with {% data variables.product.prodname_copilot_short %} billing? |
| 18 | + |
| 19 | +{% data variables.product.github %} is changing how {% data variables.product.prodname_copilot_short %} usage is measured and billed. |
| 20 | + |
| 21 | +Today, each model interaction costs one premium request unit (PRU), and a multiplier is applied based on which model you use—more powerful models use more premium requests. Model multipliers are a concept specific to the current request-based billing system. |
| 22 | + |
| 23 | +**Starting June 1, 2026**, {% data variables.product.github %} is replacing request-based billing with usage-based billing, where the cost of an interaction depends on two things: the model and the number of tokens consumed. |
| 24 | + |
| 25 | +Under usage-based billing, each plan will come with an included allowance of {% data variables.product.prodname_ai_credits %}, with the option to set a budget for additional usage. |
| 26 | + |
| 27 | +Model multipliers **do not apply** to usage-based billing. |
| 28 | + |
| 29 | +## What are my options as a {% data variables.copilot.copilot_pro_short %} and {% data variables.copilot.copilot_pro_plus_short %} user on an existing annual plan? |
| 30 | + |
| 31 | +If you're on an existing **annual plan** for {% data variables.copilot.copilot_pro_short %} or {% data variables.copilot.copilot_pro_plus_short %}, you will have the option to: |
| 32 | +* **Stay** on your existing annual plan under premium request-based billing. When your annual plan ends, you'll be automatically downgraded to {% data variables.copilot.copilot_free_short %}. |
| 33 | +* **Cancel** your plan, receive a prorated refund, and optionally, re-subscribe to the equivalent monthly paid plan. |
| 34 | +* **Upgrade** to a monthly paid plan and receive prorated credits for the remaining value of the annual plan. For example, if you're on a {% data variables.copilot.copilot_pro_short %} annual plan, you can upgrade to a monthly {% data variables.copilot.copilot_pro_plus_short %} plan. |
| 35 | + |
| 36 | +## What happens if I keep my annual plan? |
| 37 | + |
| 38 | +Your existing annual plan will continue to track your {% data variables.product.prodname_copilot_short %} expenditure using premium requests, combined with the model multiplier, until the plan ends. |
| 39 | + |
| 40 | +In addition, if you keep your annual plan under request-based billing, you will experience changes to model multipliers starting **June 1, 2026**. The table below shows how the multipliers for each model will adjust. |
| 41 | + |
| 42 | +## Model multipliers for annual {% data variables.copilot.copilot_pro_short %} and {% data variables.copilot.copilot_pro_plus_short %} subscribers |
| 43 | + |
| 44 | +The table below shows how the multipliers for each model will change on June 1, 2026. |
| 45 | + |
| 46 | +These new multipliers will **only apply** if you remain on an annual {% data variables.copilot.copilot_pro_short %} and {% data variables.copilot.copilot_pro_plus_short %} under the premium request-based billing model _after_ June 1, 2026. |
| 47 | + |
| 48 | +Model multipliers and costs are subject to change. |
| 49 | + |
| 50 | +| Model | Current multiplier | New multiplier | |
| 51 | +| --- | ---: | ---: | |
| 52 | +| {% for entry in tables.copilot.annual-subscriber-model-multipliers %} | |
| 53 | +| {{ entry.model }} | {{ entry.current_multiplier }} | {{ entry.new_multiplier }} | |
| 54 | +| {% endfor %} | |
| 55 | + |
| 56 | +## Next steps |
| 57 | + |
| 58 | +* To understand more about how usage-based billing works, see [AUTOTITLE](/copilot/concepts/billing/usage-based-billing-for-individuals). |
| 59 | +* To learn more about model prices under usage-based billing, see [AUTOTITLE](/copilot/reference/copilot-billing/models-and-pricing). |
| 60 | +* To compare how your expenditure will look under usage-based billing compared to request-based billing, see [AUTOTITLE](/copilot/how-tos/manage-and-track-spending/prepare-for-your-move-to-usage-based-billing). |
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