The dataset viewer is not available for this split.
Error code: StreamingRowsError
Exception: CastError
Message: Couldn't cast
model: string
provider: string
capabilities: list<item: string>
child 0, item: string
skill_vector: list<item: double>
child 0, item: double
source: string
confidence: list<item: string>
child 0, item: string
imputed_capabilities: list<item: null>
child 0, item: null
support: null
subset_hash: null
date: timestamp[s]
notes: string
models: list<item: struct<model: string, provider: string, file: string, source: string>>
child 0, item: struct<model: string, provider: string, file: string, source: string>
child 0, model: string
child 1, provider: string
child 2, file: string
child 3, source: string
to
{'capabilities': List(Value('string')), 'date': Value('timestamp[s]'), 'models': List({'model': Value('string'), 'provider': Value('string'), 'file': Value('string'), 'source': Value('string')})}
because column names don't match
Traceback: Traceback (most recent call last):
File "/src/services/worker/src/worker/utils.py", line 147, in get_rows_or_raise
return get_rows(
^^^^^^^^^
File "/src/libs/libcommon/src/libcommon/utils.py", line 272, in decorator
return func(*args, **kwargs)
^^^^^^^^^^^^^^^^^^^^^
File "/src/services/worker/src/worker/utils.py", line 127, in get_rows
rows_plus_one = list(itertools.islice(safe_iter(ds, dataset=dataset), rows_max_number + 1))
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/src/services/worker/src/worker/utils.py", line 478, in safe_iter
yield from ds.decode(False) if ds.features else ds
File "/usr/local/lib/python3.12/site-packages/datasets/iterable_dataset.py", line 2815, in __iter__
for key, example in ex_iterable:
^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/datasets/iterable_dataset.py", line 2352, in __iter__
for key, pa_table in self._iter_arrow():
^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/datasets/iterable_dataset.py", line 2377, in _iter_arrow
for key, pa_table in self.ex_iterable._iter_arrow():
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/datasets/iterable_dataset.py", line 536, in _iter_arrow
for key, pa_table in iterator:
^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/datasets/iterable_dataset.py", line 419, in _iter_arrow
for key, pa_table in self.generate_tables_fn(**gen_kwags):
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/datasets/packaged_modules/json/json.py", line 310, in _generate_tables
self._cast_table(pa_table, json_field_paths=json_field_paths),
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/datasets/packaged_modules/json/json.py", line 130, in _cast_table
pa_table = table_cast(pa_table, self.info.features.arrow_schema)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/datasets/table.py", line 2369, in table_cast
return cast_table_to_schema(table, schema)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/datasets/table.py", line 2297, in cast_table_to_schema
raise CastError(
datasets.table.CastError: Couldn't cast
model: string
provider: string
capabilities: list<item: string>
child 0, item: string
skill_vector: list<item: double>
child 0, item: double
source: string
confidence: list<item: string>
child 0, item: string
imputed_capabilities: list<item: null>
child 0, item: null
support: null
subset_hash: null
date: timestamp[s]
notes: string
models: list<item: struct<model: string, provider: string, file: string, source: string>>
child 0, item: struct<model: string, provider: string, file: string, source: string>
child 0, model: string
child 1, provider: string
child 2, file: string
child 3, source: string
to
{'capabilities': List(Value('string')), 'date': Value('timestamp[s]'), 'models': List({'model': Value('string'), 'provider': Value('string'), 'file': Value('string'), 'source': Value('string')})}
because column names don't matchNeed help to make the dataset viewer work? Make sure to review how to configure the dataset viewer, and open a discussion for direct support.
YAML Metadata Warning:empty or missing yaml metadata in repo card
Check out the documentation for more information.
Brick public skill tables
Per-model skill vectors consumed by the Brick router. Each <model>.json maps a
model id to a 6-dimensional capability vector in [0,1]. brick init reads this
folder to seed skill_router.models[].skill_vector for known model ids, so a user
never has to re-run inference for a model someone already measured.
This folder ships with the CLI (templates/ is published) and mirrors the Hugging
Face dataset regolo/brick-skill-tables, which grows as users contribute
measurements for new models (brick skills extract --publish, opt-in).
Capability order (canonical, never reorder)
[coding, creative_synthesis, instruction_following, math_reasoning, planning_agentic, world_knowledge]
Record schema
{
"model": "claude-haiku-4-5",
"provider": "anthropic",
"capabilities": ["coding", "...", "world_knowledge"],
"skill_vector": [0.73, 0.65, 0.70, 0.81, 0.50, 0.77],
"source": "benchmark", // benchmark | measured | heuristic
"confidence": ["medium", "low", "medium", "high", "medium", "medium"],
"imputed_capabilities": [], // coords filled from the model mean (NA in public benchmarks)
"support": null, // {correct,total} per capability — only for source=measured
"subset_hash": null, // frozen probe-set hash — only for source=measured
"date": "2026-06-11",
"notes": "..."
}
source and trust order
measured— produced bybrick skills extractrunning the frozen probe set against the model and grading verifiable categories (math exact-match, code tests, MMLU-Pro letter). Highest trust; carriessupportandsubset_hash.benchmark— derived from published AI-lab benchmarks (SWE-bench, AIME, GPQA, MMLU-Pro, tau-bench, …) normalized to[0,1]. Cold-start prior for frontier closed models. Ameasuredrecord for the same model overrides it.heuristic— interpolated fallback for an unknown id; marked explicitly.
measured and benchmark vectors are not on the same scale (different question
mixes, different grading). Treat benchmark as a prior; prefer measured when both
exist for a model.
NA imputation
Public benchmarks systematically omit some capabilities (creative writing is rarely
benchmarked; Google does not publish instruction-following or agentic numbers for
most Gemini tiers). For a missing coordinate we impute the mean of the model's
known coordinates, list the coordinate in imputed_capabilities, and set its
confidence to low. This keeps the vector usable by the router while flagging the
estimate as soft.
Contributing
Run brick skills extract <model> --publish (opt-in consent prompt) to measure a new
model on the frozen probe set and upsert a measured record to
regolo/brick-skill-tables. You may also open a PR adding a <model>.json here.
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