AI models ranked for accounting and bookkeeping applications. Scored with bonuses for reasoning (complex analysis), JSON mode (structured data extraction), function calling (API integration), and large context windows (processing financial documents).
| # | Model | Score |
|---|---|---|
| 1 | GPT-5.4 ProOpenAI | 112 |
| 2 | GPT-5.2 ProOpenAI | 111 |
| 3 | GPT-5 ProOpenAI | 111 |
| 4 | o3 ProOpenAI | 103 |
| 5 | Claude Opus 4.1Anthropic | 102 |
| 6 | o3 Deep ResearchOpenAI | 95 |
| 7 | o1-proOpenAI | 93 |
| 8 | Claude Opus 4.6Anthropic | 92 |
| 9 | Claude Opus 4Anthropic | 92 |
| 10 | Claude Opus 4.5Anthropic | 91 |
| 11 | GPT-5.4OpenAI | 91 |
| 12 | Claude Sonnet 4.5Anthropic | 90 |
| 13 | Qwen3 VL 30B A3B ThinkingAlibaba | 90 |
| 14 | Qwen3 VL 235B A22B ThinkingAlibaba | 90 |
| 15 | GPT-5.2OpenAI | 89 |
| 16 | Gemini 3.1 Pro Preview Custom ToolsGoogle | 89 |
| 17 | Gemini 3.1 Pro PreviewGoogle | 89 |
| 18 | Gemini 3 Pro PreviewGoogle | 89 |
| 19 | Claude Sonnet 4.6Anthropic | 89 |
| 20 | GPT-5.1OpenAI | 88 |
| 21 | GPT-5.3-CodexOpenAI | 88 |
| 22 | GPT-5.2-CodexOpenAI | 88 |
| 23 | GPT-5OpenAI | 88 |
| 24 | Gemini 3 Flash PreviewGoogle | 87 |
| 25 | o4 Mini Deep ResearchOpenAI | 87 |
| 26 | GPT-5.1-Codex-MaxOpenAI | 87 |
| 27 | Gemini 3.1 Flash Lite PreviewGoogle | 87 |
| 28 | Gemini 2.5 ProGoogle | 87 |
| 29 | Gemini 2.5 Flash Lite Preview 09-2025Google | 86 |
| 30 | GPT-5 MiniOpenAI | 86 |
Reasoning models excel at interpreting complex tax code, identifying deductions, and explaining tax implications with chain-of-thought transparency. Large context windows enable processing multi-page tax documents and previous returns.
JSON mode enables extracting structured data from invoices — vendor names, amounts, dates, and line items. Function calling automates posting extracted data to accounting systems and expense databases.
Reasoning models excel at reviewing ledgers, analyzing variance reports, and explaining anomalies. Large context windows (128K+) enable processing complete ledger exports and audit workpapers for anomaly detection.
Function calling enables AI to integrate with QuickBooks, Xero, and accounting APIs to categorize transactions, reconcile accounts, and generate accurate financial statements with structured JSON outputs.