Software Alternatives & Startups

Live Tennis API VS https://open-gpt.app/

Compare Live Tennis API VS https://open-gpt.app/ and see what are their differences

Live Tennis API

Real-time tennis data and model analysis over REST + WebSocket. ATP, WTA, Challenger, ITF — singles and doubles.

Rating
0 reviews
Pricing
Freemium $9.99 / Monthly (Basic — history + point-by-point, 1k req/day)
https://open-gpt.app/

Create ChatGPT Application in seconds

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0 reviews
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Base details

Website, pricing, platforms and company facts side by side.

Live Tennis API
https://open-gpt.app/
Website livetennisapi.com open-gpt.app
Pricing
Freemium $9.99 / Monthly (Basic — history + point-by-point, 1k req/day) Official pricing
Platforms
REST API Python JavaScript Node JS SaaS WebSocket +3
Company Startup from the United States · 1 - 9 employees · 2026
Listed in

About Live Tennis API and https://open-gpt.app/

In their own words, as submitted to SaaSHub.

Live Tennis API
https://open-gpt.app/

Live Tennis API is a real-time tennis data API for developers, traders and analysts. One REST + WebSocket feed covers ATP, WTA, Challenger and ITF — singles and doubles. What you get Live scores updated point by point, with full match state (server, game and set score, tiebreaks) Fixtures, player...

Read more about Live Tennis API

No description of https://open-gpt.app/ yet.

Features and specs

What each product offers, as listed by its team.

Live Tennis API 12 features
https://open-gpt.app/ 5 features
  • Coverage
    ATP, WTA, Challenger and ITF — singles and doubles
  • Live scores
    Point-by-point, sub-second, with server, game/set score and tiebreak state
  • Streaming
    WebSocket push feed and webhooks for live matches (Ultra)
  • Win-probability
    Model win-probability and analysis on every live point (Ultra)
  • Market odds
    Match-winner market odds (Pro)
  • Match history
    Completed results, events and timeline; point-by-point match tape back to 2023
  • In-play statistics
    Aces, double faults, serve split, hold/break, break points (Ultra)
  • Rankings
    As-of-match ATP/WTA, ITF and UTR rankings for backtests
  • Shot-level charting
    Serve direction, rally construction and serve/return charting for 11,000+ matches back to 1960
  • Developer tooling
    OpenAPI 3.1 spec, official Python and JavaScript SDKs, MCP server for AI agents
  • Rate limits
    Free 30 req/min · 100/day up to Ultra 600 req/min · 500k/day
  • Format
    JSON over REST, UTC timestamps, read-only, bearer-key auth
  • Accessible AI Chat Interface
    Provides a user-friendly web-based interface for interacting with GPT-based AI models without needing to set up API access or coding knowledge.
  • No Installation Required
    Being a web application, it can be used directly from a browser without downloading or installing any software.
  • Potentially Free or Low-Cost Access
    Many GPT wrapper sites like this offer free tiers or lower-cost access compared to official API pricing, making AI chat more accessible to casual users.
  • Quick Setup
    Users can typically start chatting almost immediately after visiting the site, with minimal account creation or configuration steps.
  • Cross-Platform Compatibility
    Since it runs in a browser, it can be accessed from various devices including desktops, tablets, and smartphones without platform-specific versions.

Possible disadvantages

  • Uncertain Reliability
    Third-party GPT wrapper websites often depend on underlying API access that can be unstable, rate-limited, or discontinued without notice, affecting consistent availability.
  • Data Privacy Concerns
    Using an unofficial third-party service to process conversations raises questions about how user data and conversation history are stored, used, or shared.
  • Limited Transparency
    It may be unclear which underlying AI model version is being used, how up-to-date it is, or what modifications have been made to the base model's behavior.
  • Potential Hidden Costs or Ads
    Free-to-use AI wrapper sites often monetize through ads, premium upsells, or data collection, which may not be clearly disclosed to users upfront.
  • Lack of Official Support
    Unlike official AI platforms, unofficial wrapper sites may lack dedicated customer support, regular updates, or accountability if issues arise.

Analysis

An editorial look at what each product does well and who it suits.

Live Tennis API
https://open-gpt.app/

No analysis of Live Tennis API yet.

Overall verdict

  • I don't have verified, up-to-date information about open-gpt.app, and I'm unable to browse the internet to check its current status, reputation, or legitimacy. I cannot confidently vouch for or against this specific product/service.

Why this product is good

  • I lack real-time access to verify this website's current content, reputation, or user reviews
  • Domain names and their associated services can change ownership and purpose over time
  • Without verification, I cannot confirm if this is a legitimate service, its features, or its safety
  • There are many similarly-named AI tools of varying quality and trustworthiness, making specific verification important

Recommended for

  • Before using this site, research current user reviews on trusted platforms
  • Check the site's SSL certificate, privacy policy, and terms of service
  • Look for verified information about the company or developers behind it
  • Consider well-established alternatives like ChatGPT (OpenAI), Claude (Anthropic), or Gemini (Google) if you need reliable AI assistance
  • Exercise caution with any site requesting payment or personal information without clear verification of legitimacy

Videos

Walkthroughs and reviews on video.

Live Tennis API 1 video + Add
https://open-gpt.app/ 0 videos + Add

Live Tennis API — Real-Time Tennis Scores over REST & WebSocket

No https://open-gpt.app/ videos yet. You could help us improve this page by suggesting one.

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100
Live Tennis API
https://open-gpt.app/
100% 100%
0% 0%
100% 100%
0% 0%
100% 100%
0% 0%

Questions & Answers

As answered by people managing Live Tennis API and https://open-gpt.app/.

What makes your product unique?

Live Tennis API's answer

Most sports-data APIs hand you a score every few seconds. Live Tennis API hands you the match point by point — server, game and set state, tiebreaks — with a model win-probability on every point, over one REST + WebSocket feed.

It covers the whole professional tour: ATP, WTA, Challenger and ITF, singles and doubles, not only the main-tour matches. And the same key opens the historical layer: point-by-point tapes back to 2023, match-winner market odds, as-of-match rankings for backtests, and shot-by-shot charting for 11,000+ matches going back to 1960.

Why should a person choose your product over its competitors?

Live Tennis API's answer

  • Depth: point-level live data, in-play statistics and win-probability, not just scores.
  • Coverage: ATP, WTA, Challenger and ITF — including the lower tiers many feeds skip.
  • Price: a free tier with no card, paid plans from $9.99/month, and Ultra at $99.99/month with 500k requests/day and the WebSocket feed.
  • Developer experience: OpenAPI 3.1 spec, official Python and JavaScript SDKs, an MCP server for AI agents, instant keys, and upgrades prorated in place on the same key.
  • Honesty about coverage: a /history/coverage endpoint states the measured completeness per tour and season instead of promising 100%.

How would you describe the primary audience of your product?

Live Tennis API's answer

Developers and small teams building tennis products: live-score apps and dashboards, betting and trading models, fantasy and prediction tools, and AI agents that need structured tennis data.

A second group is researchers and quants who want point-by-point history, as-of-match rankings and shot-level charting for backtests.

The pricing is aimed at individual developers and startups rather than broadcasters.

What's the story behind your product?

Live Tennis API's answer

Live Tennis API started in 2026 as the data layer behind the founder's own tennis trading research: a point-by-point live feed with a win-probability model for every professional match, including Challenger and ITF.

Rather than keep it internal, the feed, the model and the historical tape were opened as a public API in July 2026, with a free tier so developers can try it without a card. It is operated by JSB Holdings LLC, a small Delaware company.

Which are the primary technologies used for building your product?

Live Tennis API's answer

  • Python (Flask, SQLAlchemy, scikit-learn) for the API and the win-probability model
  • PostgreSQL for match, point and odds storage
  • Redis and Centrifugo for the real-time WebSocket push feed
  • Cloudflare in front of the API; Stripe for billing
  • OpenAPI 3.1 spec, with official Python and JavaScript SDKs and an MCP server

User comments

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