Harness (Autonomous) free tier: how far you get
Harness (Autonomous) free tier: The Harness app is free and open source (MIT). You pay for whatever agents and models it runs; we used OpenCode's free Big Pickle model, so it cost $0.. In our 2026-10-17 test: $0: OpenCode's free Big Pickle model, no API key or OpenRouter quota.
Based on our own test on 2026-10-17 (3 runs) and the official pricing page (checked 2026-10-17).
What the free plan includes
The Harness app is free and open source (MIT). You pay for whatever agents and models it runs; we used OpenCode's free Big Pickle model, so it cost $0.
What our test used
$0: OpenCode's free Big Pickle model, no API key or OpenRouter quota.
How far that gets you
Not enough data to estimate.
Paid plans
App free (open source, MIT); optional Harness Device $149 and Harness Pro $299 desk hardware
FAQ
Is Harness (Autonomous) free?
Yes: the Harness app is a free download and open source (MIT)
How much did our test use on the Harness (Autonomous) free plan?
In our test (2026-10-17, 3 runs): $0: OpenCode's free Big Pickle model, no API key or OpenRouter quota.
How far does the Harness (Autonomous) free plan go?
Not enough data to estimate from our test.
Full Harness (Autonomous) review (8.4/10) · Best free tools in this category · Methodology