The Meter · Model page
- Provider
- Anthropic
- Exact model id we call
- claude-fable-5
- Route
- provider direct
- Watching since
- 27 July 2026
What we check
Most checks are the same on every model. See what we check ↗
This provider does not send our settings back. We record what the response does show, and never say a setting was applied.
Pattern
Time to answer
Latency, time-to-first-token and reasoning-token volume are recorded on every call across all checks.
Daily exam
The scored series
The daily exam is the only check with a published score.
Other checks
Reasoning-token volume
The panel reports the median by published day across all checks.
The settings
Settings and dated runs
The settings we send, every time
model: "claude-fable-5"
max_tokens: 128000
output_config: {"effort": "medium"}
temperature: 1.0
service_tier: "standard_only"
thinking: {"type": "adaptive"}
stream: true
anthropic-version: "2023-06-01"Dated runs
When we change our own settings, we close that run and start a new dated one. The earlier days stay published.
| Dated run | Dates | Route | Status | Days |
|---|---|---|---|---|
| box-2026-07-23 | since 23 Jul | provider direct | current | 19 published |
Gap register
3 August 2026: No run. Our prepaid credit with the provider had run out, so all 63 questions came back as billing errors.
5 August 2026: Run set aside. The provider was briefly overloaded on 4 of the 63 questions and we did not retry them.
8 August 2026: Run set aside. Our prepaid credit ran out partway through, so 9 of the 63 questions came back as billing errors.
9 to 13 August 2026 (5 days): No run. Our prepaid credit with the provider had run out, so all 63 questions came back as billing errors.
16 to 17 August 2026 (2 days): No run. Our prepaid credit with the provider had run out, so all 63 questions came back as billing errors.
20 to 23 August 2026 (4 days): No run. Our prepaid credit with the provider had run out, so all 63 questions came back as billing errors.
25 August 2026: No run recorded. Reason not yet written up.
26 August 2026: No run. The fable line was deliberately paused on 26 August 2026 to hold the rig inside what we can fund. Nothing about the questions, the sensors or the method changed; the line was simply switched off and can be switched back on unchanged.
27 August 2026: No run. The fable line has been paused since 26 August 2026 to hold the rig inside what we can fund. Nothing about the questions, the sensors or the method changed. The line can be switched back on unchanged.
What we do not claim: we never compare this model with another, and we never say a change was deliberate.