Run agents.Make them better.

Tangle runs AI agents in isolated sandboxes, records model calls and tool use, and compares candidate changes on fresh test cases before a person approves them.

Open the workbenchRead the docs

Give every agent an isolated workspace.

Coding harnesses, tool-calling agents, long-running workflows: each gets a real computer in a Tangle Sandbox with files, a terminal, and browser access.

Claude Code$ clauderunning
Codex$ codexrunning
OpenCode$ opencoderunning
Hermes$ hermesrunning
OpenClaw$ openclawrunning
NanoClaw$ nanoclawrunning
Kimi Code$ kimirunning
Pi$ pirunning

Turn each run into a reviewable record.

Capture the run

Record model calls, tool use, timing, tokens, and cost so a result can be inspected after the agent finishes.

illustrative trace · checkout-agent38.2s
run · fix flaky checkout test38.2s
claude-sonnet-5 · plan2.1s
read · checkout.test.ts0.5s
pnpm test · full suite12.8s
edit · retry-policy.ts1.9s
pnpm test · full suite11.4s
edit · checkout.test.ts0.9s
pnpm test · full suite8.9s

Find what repeats

Analyze multiple runs to find recurring failures and expensive steps worth testing as candidate changes.

illustrative trace · checkout-agent38.2s
run · fix flaky checkout test38.2s
claude-sonnet-5 · plan2.1s
read · checkout.test.ts0.5s
pnpm test · full suite12.8s
edit · retry-policy.ts1.9s
pnpm test · full suite11.4s
edit · checkout.test.ts0.9s
pnpm test · full suite8.9s

Review changes where you work

Turn measured findings into a pull request, issue, skill proposal, or team summary. A person decides what ships.

GitHubPull requestexample

tangle/faster-test-loop

Run the failing test file after each edit. Full suite once before finishing.

LinearIssueexample

TAN-312

Adopt the failing-test-first loop across all coding agents.

TangleSkill proposalreview

skills/testing.md

Proposed testing guidance is ready for review.

Slack#eng-agentsdraft

summary

Candidate passed the selected cases; review the results before rollout.

Infrastructure for running, measuring, and deploying AI agents.

Sandboxes

Isolated computers for agents: shell, files, browser, any coding harness.

sandbox.tangle.tools

Intelligence

Analyze traces and compare candidate changes against held-out cases.

intelligence.tangle.tools

Inference

OpenAI-compatible access to multiple model providers through one API.

router.tangle.tools

Simple, usage-based pricing.

Start free. Every plan includes monthly credit and pays the same per-second compute rates.

Free
$0/mo
Get started with Tangle.
  • $2 in monthly credit
  • 1 concurrent sandbox
  • 60 requests / minute
  • Community support
Start free
RecommendedPro
$29/mo
Production usage for individuals and small teams.
  • $30 in monthly credit
  • Unlimited concurrent sandboxes
  • 300 requests / minute
  • Overage at the same per-second rates
  • Priority scheduling
Start Pro
Enterprise
$99/mo
High-scale workloads and dedicated support.
  • $120 in monthly credit
  • Discounted compute rates
  • 1000 requests / minute
  • Dedicated support
  • SLA guarantee
Choose Enterprise

Billed at id.tangle.tools. One key for inference, compute, and intelligence.

Run agents. Make them better.

Get startedRead the docs