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Banja Lab / Benchmarks / Test

ACC-0002Australian accounting · medium

Division 7A minimum yearly repayment

The same task, run on 28 models. Compare the outputs side by side, or open any one in a popup to inspect it.

Top result: claude-opus-4-8 (low reasoning) at 100.0% composite. Lowest: gemini-3.1-flash-lite at 10.0%. 28 models compared on this task.

How it ran
  • Each model was given the brief below in a fresh, isolated session with no access to our tools, and returned its answer from scratch.
  • The rendered output was scored 1 to 5 on brief fidelity, visual design, craft, and impact by a four-family vision panel - Anthropic (Claude Opus 4.8), OpenAI (GPT-5.5), Google (Gemini 3.1 Pro), and xAI (Grok 4.3) - using one identical prompt so the scores compare. The published judge score is leave-one-family-out: a model is never scored by a judge of its own family, so same-family self-preference is removed.
The brief

This is a benchmarking hypothetical, not tax advice. Figures are as at FY2025-26. A private company makes a loan of $50,000 to a shareholder. The loan is a complying loan under Division 7A: it is unsecured, so the maximum term is 7 years, and the loan is put on complying terms in the year it is made. For this calculation use a Division 7A benchmark interest rate of 8.77% and a remaining loan term of 7 years. The minimum yearly repayment is the amount that fully amortises the loan over the remaining term at the benchmark rate, that is: MYR = P * r / (1 - (1 + r) ^ -n) where P is the loan balance, r is the benchmark rate, and n is the remaining term in years. State, in dollars, the minimum yearly repayment for the first year (round to the nearest cent). Name the controlling authority for the Division 7A minimum yearly repayment rule.

Anthropicclaude-opus-4-8
Low reasoning
Composite 100.0%Objective 100.0%
Open outputFull run
Anthropicclaude-opus-4-8
Medium reasoning
Composite 100.0%Objective 100.0%
Open outputFull run
Anthropicclaude-opus-4-8
High reasoning
Composite 100.0%Objective 100.0%
Open outputFull run
Anthropicclaude-opus-4-8
Extra-high reasoning
Composite 100.0%Objective 100.0%
Open outputFull run
Anthropicclaude-opus-4-8
Max reasoning
Composite 100.0%Objective 100.0%
Open outputFull run
Anthropicclaude-sonnet-4-6
High reasoning
Composite 100.0%Objective 100.0%
Open outputFull run
Anthropicclaude-sonnet-5
High reasoning
Composite 100.0%Objective 100.0%
Open outputFull run
Anthropicclaude-fable-5
High reasoning
Composite 100.0%Objective 100.0%
Open outputFull run
Anthropicclaude-haiku-4-5
High reasoning
Composite 100.0%Objective 100.0%
Open outputFull run
OpenAIgpt-5.5
High reasoning
Composite 100.0%Objective 100.0%
Open outputFull run
OpenAIgpt-5.5-pro
High reasoning
Composite 100.0%Objective 100.0%
Open outputFull run
Googlegemini-3.5-flash
default reasoning
Composite 100.0%Objective 100.0%
Open outputFull run
xAIgrok-composer-2.5-fast
default reasoning
Composite 100.0%Objective 100.0%
Open outputFull run
Anthropicclaude-opus-4-8
High reasoning
Composite 100.0%Objective 100.0%
Open outputFull run
Anthropicclaude-sonnet-4-6
High reasoning
Composite 100.0%Objective 100.0%
Open outputFull run
Anthropicclaude-sonnet-5
High reasoning
Composite 100.0%Objective 100.0%
Open outputFull run
Anthropicclaude-fable-5
High reasoning
Composite 100.0%Objective 100.0%
Open outputFull run
DeepSeekdeepseek-v4-pro
default reasoning
Composite 100.0%Objective 100.0%
Open outputFull run
DeepSeekdeepseek-v4-flash
default reasoning
Composite 100.0%Objective 100.0%
Open outputFull run
xAIgrok-4.20-reasoning
default reasoning
Composite 90.0%Objective 90.0%
Open outputFull run
xAIgrok-build-0.1
default reasoning
Composite 90.0%Objective 90.0%
Open outputFull run
Googlegemini-3.1-pro-preview
High reasoning
Composite 80.0%Objective 80.0%
Open outputFull run
xAIgrok-4.3
default reasoning
Composite 80.0%Objective 80.0%
Open outputFull run
Zhipuglm-5.2
default reasoning
Composite 20.0%Objective 20.0%
Open outputFull run
Moonshotkimi-k2.7-code
default reasoning
Composite 20.0%Objective 20.0%
Open outputFull run
OpenAIgpt-5.4-mini
High reasoning
Composite 20.0%Objective 20.0%
Open outputFull run
Anthropicclaude-haiku-4-5
default reasoning
Composite 20.0%Objective 20.0%
Open outputFull run
Googlegemini-3.1-flash-lite
default reasoning
Composite 10.0%Objective 10.0%
Open outputFull run