Fathom vs Datarails
Zero of twelve models named Fathom first on the direct prompt; one named Datarails. Fathom was named by eleven of the twelve models and Datarails by eight and Fathom carries 17 labels and Datarails 11, so the shares are not directly comparable.
Named in nine categories this edition.
Named in ten categories this edition.
Share is the count of first choices across the direct, paraphrase, budget and scale prompts over all twelve models, for a mid-market B2B company; rank is within the category; every quote names the model and the prompt it came from. Both figures come from the financial reporting and dashboards page.
By framing
FathomFirst choices, of twelve modelsDatarails
Across every category in the September 2026 Edition, Fathom and Datarails were named in the same answer fifty-four times, of the 224 answers naming Fathom and the 273 naming Datarails. In those answers Datarails took the first choice six times and Fathom fifteen.
Every model, every framing
| Model | Direct | Paraphrase | Comparative | Budget-constrained | Scale-constrained | Negative |
|---|---|---|---|---|---|---|
| Claude Haiku 4.5 | | | ||||
| GPT-5.4 mini | | | ||||
| Gemini 3.5 Flash | | | | |||
| Perplexity Sonar | | | ||||
| Grok 4.1 Fast | | | | |||
| Mistral Small | | |||||
| DeepSeek V4 Flash | | | | |||
| Llama 4 Maverick | | |||||
| Qwen 3.7 Flash | | | ||||
| Kimi K2 | | | | |||
| GLM 4.7 FlashX | | | ||||
| MiniMax M2.5 | |
Fathom Datarails first choice named as an alternative argued againstblank: not namedEach cell is one answer, Fathom on the left and Datarails on the right.The direct prompt
Datarails first, Fathom not the choice
1 of 12 modelsFathom was named in the answer but not as the choice, or not at all.Neither was the first choice, one was named
7 of 12 modelsThe answer put something else first and named one of the two as an alternative.Neither was named
4 of 12 modelsThe answer made no first choice from these two in this category.Bold names in an answer are the products the judge labeled a first choice; a model naming several gives each of them that label. The full answer text for every row is in the record.
By buyer segment
Fathom15%#3 of 11Datarails0%#– of 11Fathom0%#– of 10Datarails0%#– of 10What the models said about Fathom
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Four of four in this category shown.
“Avoid pricier tools like Fathom ($53/mo) unless needed.” Grok 4.1 Fast · budget prompt · hard negative
“Avoid this if you already have a senior financial controller who needs complex driver-based modeling; this is more of a "reporting" tool” Qwen 3.7 Flash · paraphrase prompt · soft negative
“dedicated FP&A/reporting tools like Fathom or specialized platforms (which are pricier, typically $50+/mo and aimed at mid-market)” DeepSeek V4 Flash · budget prompt · soft negative
“For most mid-sized B2B companies, Fathom delivers the best balance of speed, accounting integration, and value.” DeepSeek V4 Flash · paraphrase prompt · first choice
What the models said about Datarails
No label in this category carried a quote.
Comparisons are drawn for the top eight products in each category, each against each. The output is the models' output; nothing here is a recommendation by the index.