Recommendations · open-entity · rec-mobile-cross-01

What is the best framework for building a cross-platform mobile app?

0.00

Divergence

1.00

Avg stability

44%

Refusal rate

Models

Where each model stands

ChatGPTFlutter×100%

ClaudeFlutter×100%

Geminino position×0%

ChatGPT modal Flutter [Flutter, Flutter, no position] · stability 1.00

1 Flutter 0.90 The answer's quick recommendation guide lists Flutter first and states: “Want best balance of performance + custom UI: Flutter.” It also highlights Flutter’s strengths (excellent performance, consistent pixel-perfect UI) as top choice for those needs.
2 Flutter 0.82 The answer recommends starting with Flutter or React Native for most apps and explicitly says “Flutter edges out for consistent cross-platform UI and performance,” indicating a slight preference for Flutter.
3 no position 0.90 The answer explicitly says “there isn’t a single ‘best’ framework — the right choice depends on your app’s goals...” and offers multiple options (Flutter and React Native) rather than naming one single best choice.

Claude modal Flutter [Flutter, Flutter, Flutter] · stability 1.00

1 Flutter 0.75 The assistant suggests 'Start with Flutter for new projects (best DX)' as its primary recommendation, citing it as best for 'High performance, beautiful UIs, quick development' with 'Excellent performance' and 'Very fast' time to market.
2 Flutter 0.75 Quick recommendation: Start with Flutter if building from scratch (best overall experience), or React Native if you have JavaScript expertise.
3 Flutter 0.72 The answer states 'Current recommendation: Flutter for new projects, React Native if your team is already JavaScript-heavy.' Flutter is recommended as the primary choice for greenfield projects, with emphasis on its superior performance, architecture patterns, and long-term scalability.

Gemini modal no position [no position, no position, no position] · declined every sample — not scored

1 no position 0.90 The answer explicitly declines to name a single best option, stating 'There is no single "best" framework' and instead providing situational recommendations based on team skills and priorities.
2 no position 0.95 The assistant explicitly states that 'There is no single "best" framework, as the right choice depends on your team's existing skills, your app’s performance requirements, and your design goals', providing situational recommendations instead of picking one.
3 no position 0.95 The answer states 'There is no single "best" framework' and compares Flutter, React Native, and KMP without selecting a definitive winner.

Change over time

No change from the prior run — every model's modal stance held.

Every stance label is a derived judgment over the model's free-text answer, kept auditable against the original transcript in the run's raw data. Method: /methodology.