RankingChartography
Chartography
- Bucket
- Multimodal
- Unit
- percent
- Direction
- Higher is better
- Version
- —
- Display harness
- Claude Fable 5.1 and Claude Mythos 5.1 System Card
- Board
- https://www.anthropic.com/claude-fable-5-1-mythos-5-1-system-card
Compare published benchmark results with category weights →
Models
1–8 of 8 entries
| Model | Score | Harness | Evidence | Source-recorded date |
|---|---|---|---|---|
| Claude Fable 5.1Anthropic | 42.6%Reported settings & source100tasks; adaptive thinking max; five runs; no tools; tools condition has container, standard libraries and crop tool. Fable is the safeguarded deployed configuration; selected tasks may use disclosed Opus fallback, except evaluations explicitly counting safety blocks as failures. Claude Fable 5.1 and Claude Mythos 5.1 System Card · 8.14.1 · reviewed 2026-09-24 | Claude Fable 5.1 and Claude Mythos 5.1 System Card | lab self-report | 2026-09-24 |
| Claude Fable 5Anthropic | 36.6%Reported settings & source100tasks; adaptive thinking max; five runs; no tools; tools condition has container, standard libraries and crop tool. Fable is the safeguarded deployed configuration; selected tasks may use disclosed Opus fallback, except evaluations explicitly counting safety blocks as failures. Claude Fable 5.1 and Claude Mythos 5.1 System Card · 8.14.1 · reviewed 2026-09-24 | Claude Fable 5.1 and Claude Mythos 5.1 System Card | lab self-report | 2026-09-24 |
| Claude Opus 5Anthropic | 29.6%Reported settings & source100tasks; adaptive thinking max; five runs; no tools; tools condition has container, standard libraries and crop tool. Claude Fable 5.1 and Claude Mythos 5.1 System Card · 8.14.1 · reviewed 2026-09-24 | Claude Fable 5.1 and Claude Mythos 5.1 System Card | lab self-report | 2026-09-24 |
| Claude Fable 5Anthropic | 84.2%Reported settings & source100tasks; adaptive thinking max; five runs; with tools; tools condition has container, standard libraries and crop tool. Fable is the safeguarded deployed configuration; selected tasks may use disclosed Opus fallback, except evaluations explicitly counting safety blocks as failures. Claude Fable 5.1 and Claude Mythos 5.1 System Card · 8.14.1 · reviewed 2026-09-24 | Claude Fable 5.1 and Claude Mythos 5.1 System Card | lab self-report | 2026-09-24 |
| Claude Fable 5.1Anthropic | 86.2%Reported settings & source100tasks; adaptive thinking max; five runs; with tools; tools condition has container, standard libraries and crop tool. Fable is the safeguarded deployed configuration; selected tasks may use disclosed Opus fallback, except evaluations explicitly counting safety blocks as failures. Claude Fable 5.1 and Claude Mythos 5.1 System Card · 8.14.1 · reviewed 2026-09-24 | Claude Fable 5.1 and Claude Mythos 5.1 System Card | lab self-report | 2026-09-24 |
| Claude Opus 5Anthropic | 83%Reported settings & source100tasks; adaptive thinking max; five runs; with tools; tools condition has container, standard libraries and crop tool. Claude Fable 5.1 and Claude Mythos 5.1 System Card · 8.14.1 · reviewed 2026-09-24 | Claude Fable 5.1 and Claude Mythos 5.1 System Card | lab self-report | 2026-09-24 |
| Claude Opus 5.5Anthropic | 64.4%Reported settings & source100 tasks; adaptive thinking at max effort; five runs; no tools; Gemini 3.5 Flash grader; expert acceptable ranges. Provider-published lab self-report from the Claude Opus 5.5 system card (SHA256 7311c9c6bbb16d012f1c12c7418b05949fcf7ae3e30d2c40f22050074b2a7378). Not an independent board. Comparison limit: Provider-published lab self-report. Shown as a labeled claim and not admitted as a matched board comparison. Claude Opus 5.5 System Card · section 8.13.1 · reviewed 2026-09-22 | Claude Opus 5.5 System Card | lab self-report | 2026-09-22 |
| Claude Opus 5.5Anthropic | 89%Reported settings & source100 tasks; adaptive thinking at max effort; five runs; with tools (container, image file, standard libraries, and an image cropping tool); Gemini 3.5 Flash grader. Provider-published lab self-report from the Claude Opus 5.5 system card (SHA256 7311c9c6bbb16d012f1c12c7418b05949fcf7ae3e30d2c40f22050074b2a7378). Not an independent board. Launch grid shows 89.0% with tools. Comparison limit: Provider-published lab self-report. Shown as a labeled claim and not admitted as a matched board comparison. Claude Opus 5.5 System Card · section 8.13.1 · reviewed 2026-09-22 | Claude Opus 5.5 System Card | lab self-report | 2026-09-22 |