Gemini 3.5 Flash in GitHub Copilot
Google - Lightweight
In GitHub Copilot, Gemini 3.5 Flash costs $1.5 per 1M input tokens and $9 per 1M output tokens, billed as AI credits at $0.01 each. A typical daily-coding request works out to about 2.1 credits (about $0.02) with auto model selection on. Rates verified against GitHub's rate sheet on 2026-07-14.
Token rates
- Input / 1M
- $1.50
- Cached input / 1M
- $0.15
- Output / 1M
- $9.00
- Cost per credit
- $0.01
Credits per request
Defined workload baskets, not measured tasks, with auto model selection on.
| Workload | Credits (auto on) | Credits (auto off) | Cost |
|---|---|---|---|
| Short chat turn | 1.1 | 1.2 | $0.01 |
| Daily coding request | 2.1 | 2.3 | $0.02 |
| Agent session step | 7.1 | 7.9 | $0.07 |
At about 2.1 credits per daily-coding request, Gemini 3.5 Flash ranks #11 of 22 current models by cost, about 7.3x the cheapest (GPT-5.4 nano).
Requests per plan allowance
Daily-coding requests the included monthly credits buy, before any overage.
| Plan | Credits / month | Requests |
|---|---|---|
| Copilot Pro | 1,500 | 712 |
| Copilot Pro+ | 7,000 | 3,323 |
| Copilot Max | 20,000 | 9,496 |
| Copilot Business | 1,900 | 902 |
| Copilot Enterprise | 3,900 | 1,851 |
Copilot rate vs direct API
GitHub Copilot bills Gemini 3.5 Flash at $1.50 in / $9.00 out per 1M. That input rate is the same as the direct Google gemini-3.5-flash API price of $1.50 in / $9.00 out (validated 2026-06-15).