Model Profile
claude-sonnet-4-5-20250929
Use this page to decide where this model is a strong fit. Rankings below are benchmark-backed by use case, with explicit confidence and contributor metrics.
Identity
ID: external/anthropic/claude-sonnet-4-5-20250929
Author: anthropic
Origin: external_benchmark_shadow
Arch: unknown
Benchmark Coverage
Scored use cases: 12
Avg confidence: 37.3%
Evidence points: 154
Raw rows: 282
Weighted rows: 31
Catalog Metadata
Parameters: unknown
Context window: 4096
Downloads: 0
Intelligence Profile
Dimension Breakdown
* Low confidence — limited benchmark evidence for this dimension
5/5 dimensions scored · Last updated Apr 30, 2026
Benchmark Signals
Click through to the benchmark source behind this model profile.
Vals CorpFin v2
overall_accuracy_pct
Normalized value 80.9% · confidence 100.0%
Strongest impact in Thesis red teaming
vals_corp_fin_v2.overall_accuracy_pct · Apr 30, 2026
UGI Leaderboard
Writing ✍️
Normalized value 90.0% · confidence 100.0%
Strongest impact in Adult ERP roleplay (explicit)
ugi_main.writing · Apr 30, 2026
BFCL Relevance Detection Official
Irrelevance Detection
Normalized value 94.7% · confidence 100.0%
Strongest impact in Casual chat companion
bfcl_relevance_detection_official.irrelevance_detection · Apr 30, 2026
BFCL Relevance Detection Official
Relevance Detection
Normalized value 37.5% · confidence 100.0%
Strongest impact in Casual chat companion
bfcl_relevance_detection_official.relevance_detection · Apr 30, 2026
UGI Leaderboard
Entertainment
Normalized value 62.7% · confidence 100.0%
Strongest impact in Adult ERP roleplay (explicit)
ugi_main.entertainment · Apr 30, 2026
Vals CorpFin v2
shared_max_context_accuracy_pct
Normalized value 78.6% · confidence 100.0%
Strongest impact in Thesis red teaming
vals_corp_fin_v2.shared_max_context_accuracy_pct · Apr 30, 2026
Some fit rows have limited benchmark evidence.
2 of 12 scored use cases have low confidence or thin contributor coverage.
Coverage Diagnostics
actively scoredUse-Case Scores
101
Total Measurements
282
Weighted Measurements
31
Weighted Sources
12
Raw Source Coverage
Weighted Source Coverage
Best Use Cases for This Model
| Use Case | Score |
|---|---|
| Casual chat companion use_case.companion.casual_chat | 14.4% |
| Life coaching and goal planning use_case.companion.life_coaching | 14.4% |
| Tarot-style reading use_case.spiritual.tarot_reading | 14.4% |
| Empathetic support chat use_case.companion.empathy_support_chat | 14.1% |
| Mindfulness and meditation scripts use_case.wellness.mindfulness_scripts | 14.0% |
| Adult ERP roleplay (explicit) use_case.adult.erp_roleplay | 13.8% |
| SFW roleplay and simulation use_case.creative.sfw_roleplay_simulation | 12.4% |
| Thesis red teaming use_case.fin.thesis_red_team | 12.3% |
| Adult erotica (long-form, explicit) use_case.adult.erotica_longform | 12.1% |
| Interactive fiction / DM use_case.creative.interactive_fiction_dm | 12.0% |
| NPC dialogue use_case.gaming.npc_dialogue | 12.0% |
| Earnings call synthesis use_case.fin.earnings_call_synthesis | 11.8% |