Carta vs Fidelity Private Shares
Eleven of twelve models named Carta first on the direct prompt; zero named Fidelity Private Shares. Carta was named by twelve of the twelve models and Fidelity Private Shares by nine and Carta carries 65 labels and Fidelity Private Shares 14, so the shares are not directly comparable.
Named in three 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 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 cap table management page.
By framing
CartaFirst choices, of twelve modelsFidelity Private Shares
Across every category in the September 2026 Edition, Carta and Fidelity Private Shares were named in the same answer twenty-seven times, of the 230 answers naming Carta and the 27 naming Fidelity Private Shares. In those answers Fidelity Private Shares took the first choice zero times 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 | | | | | |
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 not the choice
11 of 12 modelsFidelity Private Shares was named in the answer but not as the choice, or not at all.Neither was named
1 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
Carta16%#4 of 6Fidelity Private Shares0%#– of 6Carta44%#1 of 8Fidelity Private Shares2%#8 of 8Carta34%#1 of 9Fidelity Private Shares0%#– of 9What 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.
“Skip enterprise tools like Carta's paid plans (Build/Grow can run $3,000–$12,000/year” DeepSeek V4 Flash · budget prompt · hard negative
“Several industry voices explicitly recommend *not* working with Carta.” Kimi K2 · negative prompt · hard negative
“Avoid Carta for core trust reasons” DeepSeek V4 Flash · negative prompt · hard negative
“Carta (Scale/Enterprise Tier): The institutional default... highly capable for late-stage secondary transactions, but it is also the most expensive and has faced scrutiny over aggressive pricing hikes.” Gemini 3.5 Flash · scale prompt · first choice
“The industry standard... the platform that virtually every institutional investor, auditor, and law firm recognizes as the *authoritative* equity record.” DeepSeek V4 Flash · comparative prompt · first choice
“Institutional trust & full compliance depth | Carta... you'll likely end up there for credibility and compliance depth despite the cost” DeepSeek V4 Flash · 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.
“starting with a free tier (Carta Launch or Fidelity Private Shares)” DeepSeek V4 Flash · budget prompt · first choice
“Offers secure equity management with strong support and investor access for small and mid-market companies.” Llama 4 Maverick · paraphrase prompt · alternative
“Fidelity Private Shares (Free for <25 stakeholders and <$1M raised): Bank-backed reliability” Grok 4.1 Fast · budget 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.