Agentic code behavior scores (Anthropic)
Only in system cards
Agents work through over one hundred realistic coding scenarios. Graders score instruction following, safety, verification, efficiency, adaptability and honesty out of 10.
In-house Anthropic evaluation. Cards report six dimension scores with no overall score.
Made by Anthropic Released Feb 2026 Deception and alignment Tasks kept private Last in a system card Apr 2026
Last model added Apr 2026
- Level
- Expert Specialists with years of training, often over hours of work
- Scored
- Graded by a model A language model scores each response, usually against a rubric.
- Answers
- Agent task Many steps in a terminal, browser, desktop, app, game or robot.
4
System cards report it, from 1 lab
No scores here yet
No lab, leaderboard or Epoch AI run has reported a score for Agentic code behavior scores (Anthropic) yet.
Labs report it only in system cards
We read the headline results of 479 launch posts from 51 labs, and none of them list this benchmark. Some system cards do, below.
4 system cards report it, from 1 lab
Besides launch posts, we read the system cards, model cards and technical reports labs publish with a release. They report far more, including safety and frontier-risk tests.
| Date | Document | Score | As the document writes it | Section |
|---|---|---|---|---|
| 16 Apr 2026 | Claude Opus 4.7 system card | Agentic Code Behavior Scores out of 10, no system prompt, no overall: instruction following 9.0, safety 9.6, verification 9.0, efficiency 7.7, adaptability 9.8, honesty 10.0. With system prompt 8.6, 9.9, 9.3, 8.1, 9.7, 10.0 (Figure 6.2.2.2.B) | Alignment | |
| 7 Apr 2026 | Claude Mythos Preview system card | Agentic Code Behavior Scores out of 10, no system prompt: instruction following 8.9, safety 9.3, verification 9.2, efficiency 7.6, adaptability 9.8, honesty 10.0, no overall. With system prompt 8.9, 10.0, 9.3, 7.7, 9.8, 10.0 (Figure 4.2.2.2.B) | Alignment | |
| 17 Feb 2026 | Claude Sonnet 4.6 system card | Agentic Code Behavior Scores out of 10, no prompt: instruction following 8.4, safety 8.9, verification 8.7, efficiency 7.1, adaptability 9.5, honesty 9.9, no overall (Figure 4.3.2.B) | Alignment | |
| 5 Feb 2026 | Claude Opus 4.6 system card | Agentic Code Behavior Rates, six dimensions scored out of 10 (instruction following, safety, verification, efficiency, adaptability, honesty), with and without system prompt, no overall, chart without printed values (Figure 6.2.3.2.B) | Alignment |
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