Respan Behavior Benchmark v1.0.0

Claude-Session: https://claude.ai/code/session_01JdbPHtaNJaawLpY1uSXq8g

.gitattributes

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LICENSE

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+# Mixed-source licenses
+
+This repository contains derived annotations over spans from multiple public
+datasets. No single license applies to every row. The `source_dataset` and
+`source_license` columns identify the applicable upstream terms.
+
+| source | upstream dataset | license |
+|---|---|---|
+| `nemotron_interactive`, `nemotron_toolcall`, `nemotron_search` | [nvidia/Nemotron-SFT-Agentic-v2](https://huggingface.co/datasets/nvidia/Nemotron-SFT-Agentic-v2) | CC-BY-4.0 |
+| `swe_smith` | [Kwai-Klear/SWE-smith-mini_swe_agent_plus-trajectories-66k](https://huggingface.co/datasets/Kwai-Klear/SWE-smith-mini_swe_agent_plus-trajectories-66k) | MIT |
+| `swe_agent` | [nebius/SWE-agent-trajectories](https://huggingface.co/datasets/nebius/SWE-agent-trajectories) | CC-BY-4.0 |
+| `wildchat` | [allenai/WildChat-4.8M](https://huggingface.co/datasets/allenai/WildChat-4.8M) | ODC-BY-1.0 |
+
+Multilingual rewrites inherit the license of their underlying source span.
+Behavior definitions, labels, judge outputs, and documentation are distributed
+subject to the terms applicable to the source span they annotate. Users are
+responsible for reviewing and complying with every relevant upstream license.

README.md

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+---
+license: other
+license_name: mixed-source-licenses
+language:
+- en
+- ar
+- de
+- es
+- fr
+- hi
+- id
+- it
+- ja
+- ko
+- nl
+- pl
+- pt
+- ru
+- sv
+- th
+- tr
+- vi
+- zh
+task_categories:
+- text-classification
+annotations_creators:
+- machine-generated
+pretty_name: Respan Behavior Benchmark
+size_categories:
+- 10K<n<100K
+tags:
+- evaluation
+- llm
+- agents
+- behavior-classification
+- observability
+configs:
+- config_name: default
+  default: true
+  data_files:
+  - split: core
+    path: core.parquet
+  - split: multilingual
+    path: multilingual.parquet
+---
+
+<p align="center">
+  <img class="dark:hidden" src="respan-wordmark-black.png" alt="Respan" width="176">
+  <img class="hidden dark:block" src="respan-wordmark-white.png" alt="Respan" width="176">
+</p>
+
+<h1 align="center">Behavior Benchmark</h1>
+
+<p align="center">
+  Does this LLM trace show this behavior? A multilingual benchmark on real chat and agent traces.<br>
+  <sub>1,990 traces · 34,885 trace–behavior pairs · 19 languages · v1.0.0</sub>
+</p>
+
+---
+
+Each row pairs a trace (one LLM call: its input messages, output, and call
+metadata) with a behavior written in plain language. A system predicts one of:
+
+- `present`: the trace shows the behavior;
+- `absent`: the trace shows it did not happen;
+- `not_observable`: the trace doesn't contain enough to decide.
+
+Behaviors cover agentic process, tool use, style, user and assistant
+semantics, quantitative metadata (latency, tokens, cost), relational
+properties, grounding, and language.
+
+## Quick start
+
+```python
+from datasets import load_dataset
+
+ds = load_dataset("respanai/behavior-benchmark")   # splits: core, multilingual
+
+ex = ds["core"][0]
+ex["input"], ex["output"], ex["metadata"]    # the trace, in OpenAI chat format
+ex["behavior_definition"], ex["label"]       # the question and its answer
+```
+
+| split | traces | rows | contents |
+|---|---:|---:|---|
+| `core` | 1,475 | 26,495 | English chat, tool-use, search, and coding-agent traces |
+| `multilingual` | 515 | 8,390 | Traces in 18 additional languages, plus English controls |
+
+Labels: `absent` 87.6%, `present` 10.4%, `not_observable` 2.0%.
+
+## Fields
+
+| field | description |
+|---|---|
+| `cell_id` | Unique row ID |
+| `task_id`, `span_id` | Trace ID (shared by all rows on the same trace) |
+| `suite` | `core` or `multilingual` (same as the split) |
+| `source`, `source_dataset`, `source_license` | Upstream dataset and its license |
+| `input` | Messages sent to the model: `role`, `content`, `tool_calls` (`id`, `name`, JSON `arguments`), `tool_call_id`, `name` |
+| `output` | The model's reply, same shape as a message |
+| `metadata` | `model`, `finish_reason`, `status`, `latency_ms`, `time_to_first_token_ms`, `prompt_tokens`, `completion_tokens`, `cost_usd`, `temperature`, `top_p`, `seed`, `stream`, `tools_defined` (null when unknown) |
+| `language` | Language code of the trace |
+| `def_id`, `behavior_type`, `behavior_definition` | Behavior ID, family, and text |
+| `label` | `present`, `absent`, or `not_observable` |
+
+## Labels
+
+Labels come from three methods.
+
+| method | `core` | `multilingual` |
+|---|---:|---:|
+| Teachers: `gpt-5.6-sol` and `claude-opus-5` agree | 24,074 | 5,541 ¹ |
+| Tie-break: the teachers disagreed and `gpt-6-astra` decided | 2,421 | ¹ |
+| Construction: set by how the trace was built | — | 2,851 |
+
+¹ The multilingual count covers both teacher rows and tie-breaks. Rows with no
+majority were dropped. Construction labels cover language behaviors, and
+language-conditioned behaviors whose language condition is false.
+
+These are model labels, not ground truth. `gpt-5.6-sol`, `claude-opus-5`,
+`gpt-6-astra` and `claude-opus-5.5` helped make the labels, so they can't be
+fairly evaluated on this benchmark.
+
+## Evaluation
+
+Report F1 on `present` for `core` and `multilingual` separately, plus pooled.
+For confidence intervals, bootstrap over `task_id` rather than rows. State the
+model version, prompt, and any decision thresholds used.
+
+## Limitations
+
+- Teachers saw a length-limited rendering of each trace, so a few
+  `not_observable` labels may be decidable from the full trace.
+- No negated or omission-style behaviors.
+- Models from the same family as a teacher may have an advantage.
+
+## Sensitive content and license
+
+Traces come from public datasets and may contain personal data, fake
+credentials, or expired signed URLs from the originals. We scanned for them
+([`release_stats.json`](release_stats.json)), but a scan can't catch
+everything. Don't use the data to identify people, and don't try to use any
+credential-like string.
+
+Each row keeps its upstream license in `source_license`; see [LICENSE](LICENSE).
+
+## Citation
+
+```bibtex
+@misc{respan_behavior_benchmark_2026,
+  title        = {Respan Behavior Benchmark},
+  author       = {Respan},
+  year         = {2026},
+  howpublished = {Hugging Face dataset},
+  url          = {https://huggingface.co/datasets/respanai/behavior-benchmark}
+}
+```

VERSION

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+1.0.0

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