Benchmark Almanac

Real-World Finance (Anthropic)

Claude Fable 5 70% leads since Jun 2026 Only in system cards

Agents complete about 50 analyst tasks in banking, private equity, hedge funds and corporate finance, producing spreadsheets, slides and documents. Rubric graded.

In-house Anthropic evaluation. The tasks are not public.

Made by Anthropic Released Feb 2026 Finance Tasks kept private Last in a system card Jun 2026 Last model added Jun 2026
Level
Expert Specialists with years of training, often over hours of work
Scored
Graded by a model A language model scores each response, usually against a rubric.
Answers
Agent task Many steps in a terminal, browser, desktop, app, game or robot.
3
Models scored in lab cards
3
System cards report it, from 1 lab

Claude Fable 5 leads with 70% among models released by Jun 2026

Best score per model as labs report them in their own cards. Labs pick their own settings, so these compare less cleanly than independent runs.

The newest model with a score here came out in Jun 2026, and nobody has reported a newer one. Among the 20 highest-ranked models on the capability index, these have no score yet:

  1. 1 Claude Fable 5 70%
  2. 2 Claude Opus 4.6 64.1%
  3. 3 Claude Sonnet 4.6 59.5%
#ModelScoreSettingDateSource
1 Claude Fable 5 70% Jun 2026 Model card
2 Claude Opus 4.6 64.1% Feb 2026 Model card
3 Claude Sonnet 4.6 59.5% Feb 2026 Model card

2 models have held number one since its release in Feb 2026

Lab claims count from the day the card came out, independent runs from the model’s release.

Anthropic
Lab claims Not tested since Jun 2026

Scores over time

All the scores we have, one dot each, so a model tested at several settings appears more than once.

Reported by the lab in its model card Best so far
0% 20% 40% 60% 80% 100% 2026 Near the ceiling (85%) Claude Fable 5 Claude Opus 4.6 0% 20% 40% 60% 80% 100% 2026 Near the ceiling (85%) Claude Fable 5

Labs report it only in system cards

We read the headline results of 479 launch posts from 51 labs, and none of them list this benchmark. Some system cards do, below.

3 system cards report it, from 1 lab

Besides launch posts, we read the system cards, model cards and technical reports labs publish with a release. They report far more, including safety and frontier-risk tests.

DateDocumentScoreAs the document writes itSection
9 Jun 2026 Claude Fable 5 system card 70 Real-World Finance v1, 53-task curated subset, Opus 4.7-series grader at max effort, labeled Fable/Mythos 5 (8.17.3.2, Figure 8.17.3.2.A) Capabilities
17 Feb 2026 Claude Sonnet 4.6 system card 59.5 Real-World Finance, average task score, value printed on chart (Figure 2.12.3.A) Capabilities
5 Feb 2026 Claude Opus 4.6 system card 64.1 Real-World Finance, average task score, value printed on chart (Figure 2.14.4.A) Capabilities

More in Law, finance and medicine

All 140 in Law, finance and medicine
  • HealthBench Professional In use 525 physician-authored tasks from real clinician chats (care consult, documentation, research) with physician-adjudicated rubrics. Claude Sonnet 5.5 69.2%
  • MedXpertQA-MM In use Models answer expert-level medical exam questions that combine images with clinical records and test results. Scoring is accuracy. Qwen 3.8 Max 80.4%
  • HealthBench In use 5,000 realistic health conversations graded against physician-written rubrics. A length-adjusted variant penalizes verbosity. GPT-5 67.2%
  • KBL In use Models answer Korean legal knowledge and reasoning tasks and Korean bar exam questions. It has 7 knowledge tasks, 4 reasoning tasks and 2,510 bar exam items. Solar Pro 4 77.5%
  • KorMedMCQA In use Models answer 7,469 multiple-choice questions from Korean licensing exams for doctors, nurses, pharmacists and dentists, held from 2012 to 2024. Solar Pro 4 93.2%
  • PRBench In use Model answers 1,100 expert-written law and finance questions. LLM judge grades against weighted expert rubrics of 10-30 criteria each. Muse Spark 1.3 61.6%