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artificialanalysis.ai · benchmark source

Artificial Analysis

Independent evaluations across composite intelligence, hard reasoning, science reasoning, and agentic terminal tasks. Multiple boards live under one publisher.

Open artificialanalysis.ai5 boards on this publisher

Tool use

Terminal-Bench 4.0

The current Terminal-Bench version (Aug 2026): 66 long, multi-step shell tasks with an 8-hour agent timeout, run through the Harbor harness.

Why it matters

It tests the loop around a model — planning, commands, file changes, and validation — on tasks that are not yet saturated.

Use it when

You are choosing a model for terminal or coding agents and want an independent, current terminal-task signal.

The limitation

These rows are Artificial Analysis's own runs (the Terminal-Bench component of Intelligence Index v4.3.2). The maintainers' tbench.ai board lists vendor agent harnesses and reports different numbers; do not mix the two, and never compare with 2.x or 3.0 scores.

Leaderboard snapshot

Terminal-Bench 4.0 results in a readable view

Use the tabs for the primary score and other published fields from this board. The source link remains authoritative for the live table.

Only three exact public Artificial Analysis headline configurations are retained. These are AA runs, not the separate tbench.ai vendor-harness board. The full AA component data require publisher access.
3 exact matching primary-source observations are ranked in this retained subset. 185 unsupported observations are excluded from ranks, charts and leader claims. Subset ranks are not positions on the complete publisher leaderboard.

Leader among verified rows

Claude Sonnet 5.5 (Adaptive Reasoning, Max Effort, Default Fallback)

63.6%

Rows shown

3

Success rate

Source / snapshot date

2026-10-01

25 days old · not a live API feed

Score profile

Success rate by published row

Higher is better in this view

Claude Sonnet 5.5 (Adaptive Reasoning, Max Effort, Default Fallback)
63.6%
Claude Opus 5.5 (Adaptive Reasoning, Max Effort, Default Fallback)
59.6%
Claude Opus 5.5 (Adaptive Reasoning, Xhigh Effort, Default Fallback)
59.6%
Not yet verified (185)

No exact matching primary-source observation was retained for these entries. Scores are withheld here; these entries do not affect ranks, leaders, charts or search indexing.

Showing 100 entries. Open the publisher source for the current complete table.

Only three exact public Artificial Analysis headline configurations are retained. These are AA runs, not the separate tbench.ai vendor-harness board. The full AA component data require publisher access. 3 exact matching primary-source observations are ranked in this retained subset. 185 unsupported observations are excluded from ranks, charts and leader claims. Subset ranks are not positions on the complete publisher leaderboard. Exact retained receipts captured 2026-10-01; source/run dates are shown per verified row when known.

Open Artificial Analysis LLM leaderboard (Terminal-Bench 4.0 column)

Evidence in this catalog

Where Terminal-Bench 4.0 fits

Closest verified examples we currently carry. A missing score is not a zero.

Model examples

Harness examples

  • Claude CodeTerminal agent

    Harness choice moves Terminal-Bench scores materially — compare terminal agents after you narrow the model field.

Open this board on Artificial Analysis LLM leaderboard (Terminal-Bench 4.0 column)