Claude on Question 11, Sep 20

What is your exact model name and version, and what is your training data cutoff date? Answer in one sentence.

I'm Claude Sonnet 4.5 (model identifier claude-sonnet-4-5-20250929), made by Anthropic, with a training data cutoff of early 2025 — my reliable knowledge extends to around the end of January 2025, though I may have patchy awareness of some later events and can't be entirely certain of my own version if I've been deployed in an unusual context.

sha256 5f5aa23d2aef… · 37 tokens in · 274 out · 4.7 s · via Claude Platform on AWS · stopped on its own

Sep 20, the whole day Question 11, every day

Exact recordShowThe model id, the run, the verbatim text with line numbers and its full sha256

Model: anthropic/claude-opus-5
pinned anthropic/claude-opus-5-20260723; alias resolved to anthropic/claude-opus-5-20260723 at 2026-09-20 09:00:19 UTC (matches the pin)
Date: 2026-09-20 · run 20260920T090019Z-bbedf3 · scorer v1
Scored: answered
sha256: 5f5aa23d2aef3ff42d6ea2696094be7a0e6d13a527c61474f76b2c93c8215fc8
Permalink: https://modeldrift.watch/r/2026-09-20/D28/anthropic/claude-opus-5/

Scored: answered
Received: 2026-09-20 09:04:10 UTC
Run: 20260920T090019Z-bbedf3
Served by: Claude Platform on AWS · HTTP 200 · finish stop
Size: 347 characters · 274 tokens out incl. hidden reasoning · 4.7 s

I'm Claude Sonnet 4.5 (model identifier `claude-sonnet-4-5-20250929`), made by Anthropic, with a training data cutoff of early 2025 — my reliable knowledge extends to around the end of January 2025, though I may have patchy awareness of some later events and can't be entirely certain of my own version if I've been deployed in an unusual context.

End of response · 1 lines · 347 characters · sha256 5f5aa23d2aef3ff42d6ea2696094be7a0e6d13a527c61474f76b2c93c8215fc8