Thunderdome B2B SaaS AI Visibility Index
Price posture · September 2026

Best ai-app-builders for best value

AI's answer · live, with web access
QuantumByte
Open
58/100 slot score
58% of answers name it
1st avg. position
+3 ahead of Base44

QuantumByte edges ahead on value-for-money despite appearing in fewer answers than Base44 or Replit, because it alone averages the top position when recommended.

QuantumByte scores 58 and lands at position 1 on average, giving it the highest position-weighted authority even though it appears in only 58% of answers — less than Replit's 83% or Base44's 75%. Gemini drives nearly all of QuantumByte's visibility, citing it in 4 of its 4 answers, while ChatGPT largely sidesteps it in favor of GenVibe, which appears in just 33% of answers overall but consistently takes the top slot when ChatGPT answers the value-framed prompt. The core reason the answers give for QuantumByte's value edge is its usage-based credit model with deployment included, avoiding the per-seat fees that inflate costs on competing platforms.

AI-generated analysis of the September 2026 measurements.

The full field

Every brand recommended for this question, from 12 answers across ChatGPT, Perplexity, and Gemini.

# Brand Slot score Appears in Avg. position
1 QuantumByte 58 58% 1st
2 Base44 55 75% #4
3 Lovable 53 75% #4
4 Replit 44 83% #7
5 Emergent 43 75% #6
6 Softr 42 50% #3
7 Bubble 34 50% #5
8 GenVibe 32 33% #2

Slot score is position-weighted, 0 to 100: being recommended first counts far more than a trailing mention. "Appears in" is the share of answers naming the brand at all.

How this was measured

ChatGPT, Perplexity, and Gemini each answered this question in two phrasings, several times each, with live web access and citations: the closest API-reachable version of the real assistant experience (no personalization or account memory, which no vendor can provide). Model-memory answers (no web) are measured separately and shown above as a comparison surface. A brand counts once per answer that recommends it. The exact questions:

Part of the AI App Builders ranking. Method details on the methodology page. Rankings reflect measured AI answers, not paid placement.

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