Yes. As of 2026-09-29, 3 free code sandbox offers we track are available, each dated when last verified against the provider's page.
| Offer | Provider | Status | What it offers | Expiry | Verified | Source | Caveats |
|---|---|---|---|---|---|---|---|
| E2B Hobby tier | E2B | available | One-time $100 usage credits, up to 20 concurrent agent code sandboxes, 1-hour max session, no card | no stated expiry | 2026-09-16 | source | credits are one-time, not monthly |
| GitHub Codespaces included hours | GitHub | available | 120 units of Codespaces compute time and 15 GB-month storage per month on GitHub Free personal accounts (180 units / 20 GB-month on Pro), resetting each billing cycle | no stated expiry | 2026-09-16 | source | core-hours: a 2-core machine burns 2/hour, so 120 core-hours = 60 real hours on the smallest machine. IMPORTANT UNIT CLARIFICATION 2026-09-16 — THE HOURS ARE NOT WALL-CLOCK HOURS. The docs table reads "120 hrs", but a s… |
| Modal Starter plan | Modal | available | $30/month free compute credits (recurring), 3 workspace seats included, 100 containers and 10 GPU concurrency | no stated expiry | 2026-09-16 | source | academic program up to $10K credits by application. Re-read first-party 2026-09-16 and holds, including the recurring monthly framing: "Get started with $30 / month free compute" on the Starter plan. |
Free LLM APIs, no card · Free AI APIs an agent can sign up for · Machine-readable: ai-deals.json