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The Grid free tier

🎁 Trials (no card when possible) · no card · live — last verified by a probe on 2026-11-01 · thegrid.ai · back to the whole list

What you get

OpenAI- and Anthropic-compatible inference market that sells quality tiers rather than model names — Agent Max was served by Claude Opus 5 in the 30 days to 2026-09-03 — with a $25 signup credit, for a limited time

Free models

The vendor does not identify which models the free offer includes. See Limits for the published conditions.

Limits, in the vendor’s words

Promotional signup credit: $25 once per account

Before first deposit: 100 requests/day; 3 requests at once per account

The signup grant is a limited-time offer with no payment step. A first deposit lifts the daily free cap; concurrency counts deposits, excluding signup bonus. Free-tier prompts and completions are stored and stay stored after upgrade; zero retention is paid-only. Model names buy specifications, and the underlying model can change between calls. Historical catalog deliveries do not guarantee the next call’s model.

Where it is offered

The vendor names no country it keeps the offer from (source, read 2026-09-26).

Connect

Base URL: https://api.thegrid.ai/v1
Key: THE_GRID_API_KEY — get one at https://app.thegrid.ai/profile
Anthropic-format base (Claude Code’s ANTHROPIC_BASE_URL): https://messages-beta.api.thegrid.ai
Callable ids: agent-prime, code-prime, agent-max
Note: the ids are instruments from the keyless catalog at api.thegrid.ai/v1/models, where each carries the models it delivered; the Claude Code guide sets ANTHROPIC_BASE_URL=https://messages-beta.api.thegrid.ai, the Messages API in beta

Try it from your terminal with your key in THE_GRID_API_KEY — it goes from your machine to the vendor and nowhere else:

curl -s https://api.thegrid.ai/v1/chat/completions \
  -H "Authorization: Bearer $THE_GRID_API_KEY" \
  -H 'Content-Type: application/json' \
  -d '{"model":"agent-prime","messages":[{"role":"user","content":"2+2? MAKE NO MISTAKES."}]}'

Evidence

Probe: the page at https://thegrid.ai/docs/start-here/quickstart.md, anchored on New accounts get a $25 signup credit; ids checked in https://api.thegrid.ai/v1/models
Source: https://thegrid.ai/docs/start-here/quickstart.md
Source: https://thegrid.ai/llms.txt
Source: https://thegrid.ai/docs/api-reference/errors-and-rate-limits.md
Source: https://thegrid.ai/docs/instrument-specifications/current-instruments.md
Source: https://thegrid.ai/docs/integrations-and-best-practices/integrations/claude-code.md
Source: https://thegrid.ai/docs/data-handling-and-privacy/data-handling-and-privacy.md

History

Each line is a change to what this page publishes, dated the day it reached the list, in UTC.

2026-09-17 — Added: OpenAI- and Anthropic-compatible inference market that sells quality tiers rather than model names — Agent Max was served by Claude Opus 5 in the 30 days to 2026-09-03 — with a $25 signup credit, for a limited time

Generated from registry.yaml on 2026-11-01 and re-verified twice a week; the full list, the Atom feed and the machinery are at https://github.com/mvalentsev/awesome-free-ai-coding.

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