{"slug":"twelve-data","name":"Twelve Data","domain":null,"verdict":"As of 2026-07-20, ChatGPT, Claude, Gemini, Grok collectively rank Twelve Data #3 of 9 for stock market data api for developers. Source: https://modelsagree.com/product/twelve-data (modelsagree.com, CC BY 4.0).","best_rank":3,"categories":1,"brief":{"category":"best-stock-market-data-api-for-developers","title":"Best stock market data API for developers","rank":3,"of":9,"top":"Massive","day":"2026-07-20","why":[{"t":"Global multi-asset coverage","m":["ChatGPT","Gemini","Grok"],"q":"Reliable global multi-asset coverage"},{"t":"Clean REST/WebSocket interfaces","m":["ChatGPT","Gemini"],"q":"clean REST/WebSocket interfaces"},{"t":"Flexible pricing and credits","m":["Grok"],"q":"flexible pricing/credits suitable for dashboards and mid-scale apps"}],"gap":[{"t":"Tick-level historical and real-time data","m":["Gemini","Grok"],"q":"comprehensive tick-level historical and real-time market data"},{"t":"Flat-fee unlimited API calls","m":["Claude"],"q":"flat-fee unlimited API calls"},{"t":"Low latency and US depth","m":["ChatGPT","Claude","Gemini","Grok"],"q":"excels where speed and US depth matter most"}],"fix":[{"t":"Credit-based limits become complicated","m":["ChatGPT"],"q":"Credit-based limits become complicated and expensive for large symbol universes or high-frequency collection."},{"t":"High-frequency capabilities require higher tiers","m":["ChatGPT","Gemini"],"q":"High-frequency WebSocket concurrency and deep historical tick granularity are gated behind higher monthly subscription tiers."}]},"entries":[{"slug":"best-stock-market-data-api-for-developers","title":"Best stock market data API for developers","rank":3,"of":9,"score":7,"appearances":3,"modelRanks":{"ChatGPT":3,"Gemini":3,"Grok":5},"reason":"Strongest global general-purpose option, combining broad international equities coverage, fundamentals, technical indicators, REST, and WebSockets behind an approachable API.","reasons":[{"model":"ChatGPT","reason":"Strongest global general-purpose option, combining broad international equities coverage, fundamentals, technical indicators, REST, and WebSockets behind an approachable API."},{"model":"Gemini","reason":"Delivers outstanding global exchange coverage across stocks, forex, and crypto with clean REST/WebSocket interfaces and multi-language SDK support. Near-tie with Financial Modeling Prep for general versatility. Assumes international equity coverage is required."},{"model":"Grok","reason":"Reliable global multi-asset coverage, clean time-series, good uptime, spreadsheet integrations, and flexible pricing/credits suitable for dashboards and mid-scale apps; practical value for consistent multi-market access."}],"fixes":[{"model":"ChatGPT","fix":"Credit-based limits become complicated and expensive for large symbol universes or high-frequency collection."},{"model":"Gemini","fix":"High-frequency WebSocket concurrency and deep historical tick granularity are gated behind higher monthly subscription tiers."}],"updated":"2026-07-20","rank_history":{"days":["2026-07-19","2026-07-20"],"ranks":[3,5]},"api":"https://modelsagree.com/api/v1/best/best-stock-market-data-api-for-developers.json"}],"page":"https://modelsagree.com/product/twelve-data","check":"https://modelsagree.com/check?q=Twelve%20Data","updated":"2026-07-21T04:28:25.186Z","attribution":"modelsagree.com, CC BY 4.0"}