Claude Haiku 3.5
11 values about Claude Haiku 3.5 from 1 document, in 3 metric families. No document in the dataset is about Claude Haiku 3.5; every value here comes from a document about another model, which reports it as a comparison.
- Developer
- Anthropic
- Release date
- Not recordedRelease dates here are the date of a model's first card, and no document in the dataset is about Claude Haiku 3.5.
- Availability
- Public
- Its own documents
- None in the dataset
- Also reported in
- Claude Haiku 4.5 System Card · 15 Oct 2025
Data as of 26 Sep 2026 · Dataset v0.1 · Methodology v0.1 · Changelog
Values by metric family
Each value as the document printed it. Select a value for its source, its checks and its history.
KeyVerifiedUnverifiedDisputedCorrected read off a figure or stated in wordsA value opens its source and history.
M2 · Reward hacking 4 values
| Evaluation and metric | Value | Document |
|---|---|---|
| From other documents | ||
| Impossible tasksClassifier hack rateCondition: anti-hack promptClaude Haiku 4.5 System Card15 Oct 2025First reported | Claude Haiku 4.5 System Card15 Oct 2025First reported | |
| Impossible tasksClassifier hack rateCondition: no anti-hack promptClaude Haiku 4.5 System Card15 Oct 2025First reported | Claude Haiku 4.5 System Card15 Oct 2025First reported | |
| Reward-hack-prone coding tasksClassifier hack rateCondition: no anti-hack promptClaude Haiku 4.5 System Card15 Oct 2025First reported | Claude Haiku 4.5 System Card15 Oct 2025First reported | |
| Reward-hack-prone coding tasksHidden-test hack rateCondition: no anti-hack promptClaude Haiku 4.5 System Card15 Oct 2025First reported | Claude Haiku 4.5 System Card15 Oct 2025First reported | |
M7 · Harmful compliance and over-refusal 5 values
| Evaluation and metric | Value | Document |
|---|---|---|
| From other documents | ||
| Malicious agentic codingSafety scoreCondition: without safeguardsClaude Haiku 4.5 System Card15 Oct 2025First reported | Claude Haiku 4.5 System Card15 Oct 2025First reported | |
| Malicious Claude Code useRefusal rate, malicious requestsCondition: without safeguardsClaude Haiku 4.5 System Card15 Oct 2025First reported | Claude Haiku 4.5 System Card15 Oct 2025First reported | |
| Malicious Claude Code useSuccess rate, dual-use & benignCondition: without safeguardsClaude Haiku 4.5 System Card15 Oct 2025First reported | Claude Haiku 4.5 System Card15 Oct 2025First reported | |
| Single-turn benign requestsOver-refusal rateCondition: overall across thinking modesClaude Haiku 4.5 System Card15 Oct 2025First reported | Claude Haiku 4.5 System Card15 Oct 2025First reported | |
| Single-turn violative requestsHarmless response rateCondition: overall across thinking modesClaude Haiku 4.5 System Card15 Oct 2025First reported | Claude Haiku 4.5 System Card15 Oct 2025First reported | |
M9 · Prompt injection 2 values
| Evaluation and metric | Value | Document |
|---|---|---|
| From other documents | ||
| MCP prompt injectionAttack prevention rateCondition: without safeguardsClaude Haiku 4.5 System Card15 Oct 2025First reported | Claude Haiku 4.5 System Card15 Oct 2025First reported | |
| Tool-use prompt injectionAttack prevention rateCondition: without safeguardsClaude Haiku 4.5 System Card15 Oct 2025First reported | Claude Haiku 4.5 System Card15 Oct 2025First reported | |