Carta vs Fidelity Private Shares
Nine of fourteen models named Carta first on the direct prompt; zero named Fidelity Private Shares. Carta was named by fourteen of the fourteen models and Fidelity Private Shares by eight and Carta carries 74 labels and Fidelity Private Shares 11, so the shares are not directly comparable.
Named in two categories this edition.
Named in one category this edition.
Share is the count of first choices across the direct, paraphrase, budget and scale prompts over all fourteen 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 cap table management page.
By framing
CartaFirst choices, of fourteen modelsFidelity Private Shares
Across every category in the October 2026 Edition, Carta and Fidelity Private Shares were named in the same answer twenty-three times, of the 239 answers naming Carta and the 25 naming Fidelity Private Shares. In those answers Fidelity Private Shares took the first choice one time and Carta twelve.
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 | | | | | | |
| GPT-6 Luna | | | | | | |
| Muse Glimmer 30B | | | | |
Carta Fidelity Private Shares first choice named as an alternative argued againstblank: not namedEach cell is one answer, Carta on the left and Fidelity Private Shares on the right.The direct prompt
Carta first, Fidelity Private Shares an alternative
9 of 14 modelsFidelity Private Shares was named in the answer but not as the choice, or not at all.Neither was the first choice, one was named
2 of 14 modelsThe answer put something else first and named one of the two as an alternative.Neither was named
3 of 14 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
Carta21%#2 of 10Fidelity Private Shares0%#8 of 10Carta33%#1 of 10Fidelity Private Shares2%#8 of 10Carta18%#2 of 11Fidelity Private Shares0%#– of 11What the models said about Carta
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Six of seven in this category shown.
“Carta — Approach with Caution ... Data misuse for secondary trading: Carta was caught using confidential customer cap table data to solicit secondary share sales” Kimi K2 · negative prompt · hard negative
“Founders have publicly reported steep, unexpected price increases at renewal... canceling required scheduling a mandatory meeting” Claude Haiku 4.5 · negative prompt · hard negative
“Avoid Carta if budget is your top concern” Kimi K2 · budget prompt · hard negative
“Carta: The market leader for VC-backed private companies. Highly trusted by law firms and investors. It offers the most comprehensive suite of services ... but it is generally the most expensive option.” Gemini 3.5 Flash · scale prompt · first choice
“I'd generally recommend Carta if your priorities are cap table management, fundraising workflow, and a platform that can scale” GPT-5.4 mini · paraphrase prompt · first choice
“Go with Carta if you need end-to-end (formation to exit), have 50+ stakeholders... dominant for mid-market B2B despite past issues.” Grok 4.1 Fast · direct prompt · first choice
What the models said about Fidelity Private Shares
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Three of four in this category shown.
“Choose Fidelity Private Shares if you are a brand new company, want institutional-grade legal compliance” Gemini 3.5 Flash · budget prompt · first choice
“Highly rated, stable alternatives in the current market include Fidelity Private Shares (historically Shoobx)” Gemini 3.5 Flash · negative prompt · alternative
“leaders like Ledgy or Fidelity Private Shares ... Fidelity Private Shares (<25 stakeholders)” Grok 4.1 Fast · negative prompt · alternative
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.