GPT-5.6 Sol in GitHub Copilot
OpenAI - Powerful
In GitHub Copilot, GPT-5.6 Sol costs $4 per 1M input tokens and $20 per 1M output tokens, billed as AI credits at $0.01 each. A typical daily-coding request works out to about 5.1 credits (about $0.05) with auto model selection on. Rates verified against GitHub's rate sheet on 2026-08-17.
Token rates
- Input / 1M
- $4.00
- Cached input / 1M
- $0.40
- Output / 1M
- $20.00
- Cost per credit
- $0.01
Requests above 272,000 input tokens bill at the long-context tier ($10.00 in / $45.00 out per 1M).
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 | 2.6 | 2.9 | $0.03 |
| Daily coding request | 5.1 | 5.6 | $0.05 |
| Agent session step | 16.8 | 18.6 | $0.17 |
At about 5.1 credits per daily-coding request, GPT-5.6 Sol ranks #18 of 22 current models by cost, about 18.1x the cheapest (GPT-5.6 Luna).
Requests per plan allowance
Daily-coding requests the included monthly credits buy, before any overage.
| Plan | Credits / month | Requests |
|---|---|---|
| Copilot Pro | 1,500 | 295 |
| Copilot Pro+ | 7,000 | 1,379 |
| Copilot Max | 20,000 | 3,940 |
| Copilot Business | 1,900 | 374 |
| Copilot Enterprise | 3,900 | 768 |