{"slug":"tiingo","name":"Tiingo","domain":null,"verdict":"As of 2026-07-20, ChatGPT, Claude, Gemini, Grok collectively rank Tiingo #7 of 9 for stock market data api for developers. Source: https://modelsagree.com/product/tiingo (modelsagree.com, CC BY 4.0).","best_rank":7,"categories":1,"entries":[{"slug":"best-stock-market-data-api-for-developers","title":"Best stock market data API for developers","rank":7,"of":9,"score":4,"appearances":2,"modelRanks":{"ChatGPT":5,"Claude":3},"reason":"Outstanding value for end-of-day and IEX-sourced intraday US equity data — famously clean, survivorship-bias-aware historical prices back decades, generous cheap tiers (~$10–30/mo), plus news and crypto endpoints; the quiet favorite of quant hobbyists and backtesters.","reasons":[{"model":"Claude","reason":"Outstanding value for end-of-day and IEX-sourced intraday US equity data — famously clean, survivorship-bias-aware historical prices back decades, generous cheap tiers (~$10–30/mo), plus news and crypto endpoints; the quiet favorite of quant hobbyists and backtesters."},{"model":"ChatGPT","reason":"Exceptional value for research and EOD workflows, offering clean adjusted history, broad securities coverage, long price histories, news, and predictable flat-rate individual pricing."}],"fixes":[{"model":"ChatGPT","fix":"Internal-use licensing and less mature consolidated real-time equities support make it unsuitable for many customer-facing live-data products."},{"model":"Claude","fix":"Intraday/real-time comes from IEX's exchange feed only (~2–3% of volume), so quotes can diverge from consolidated tape — not suitable for live trading signals; near-tie with Finnhub below."}],"updated":"2026-07-20","rank_history":{"days":["2026-07-19","2026-07-20"],"ranks":[5,null]},"api":"https://modelsagree.com/api/v1/best/best-stock-market-data-api-for-developers.json"}],"page":"https://modelsagree.com/product/tiingo","check":"https://modelsagree.com/check?q=Tiingo","updated":"2026-07-21T04:28:25.186Z","attribution":"modelsagree.com, CC BY 4.0"}