Coding and terminal agents / Benchmark leaderboard

Long-Horizon Terminal-Bench

46 tasks testing sustained useful work over hundreds of steps.

No published company result yet.

This benchmark is in the research directory. Its task package, adapter and grading protocol need qualification before a hosted run can be offered.

Arrange an evaluation for your company →

What this benchmark measures

Metrics

Hidden verifier success after rebuilding from the output artifact.

Execution requirements

Long-running terminal agent with stateful workspaces.

Scope and limitations

Long-running persistence test; do not confuse the LHTB publication with a numbered Terminal-Bench release.

Evaluation availability

Catalog entry. Request a managed evaluation to qualify your agent interface and the benchmark’s native grading requirements.

Sources and company fit

Companies whose products may fit

Research recommendations based on product capabilities. These companies have not necessarily run this benchmark or integrated with Blobfish.

Compatibility notes for each company

All Hands / OpenHands: Capability-aligned; adapter/access to qualify

Augment Code: Capability-aligned; adapter/access to qualify

Cline: Capability-aligned; adapter/access to qualify

Cognition / Devin: Capability-aligned; adapter/access to qualify

Cursor: Capability-aligned; adapter/access to qualify

Factory: Capability-aligned; adapter/access to qualify

GitHub Copilot: Capability-aligned; adapter/access to qualify

JetBrains: Capability-aligned; adapter/access to qualify

Replit: Capability-aligned; adapter/access to qualify