OpenAI

APIs and tools for building AI products

5.0•827 reviews•

18K followers

APIs and tools for building AI products

5.0•827 reviews•

18K followers

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LLMs

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Foundation Models

The most powerful platform for building AI products. Build and scale AI experiences powered by industry-leading models and tools.

OpenAI Reviews

The community submitted 827 reviews to tell us what they like about OpenAI, what OpenAI can do better, and more.

5.0

Based on 827 reviews

Review OpenAI?

Reviewers mostly see OpenAI as a reliable, flexible platform that works well across coding, writing, research, agents, images, and voice. Users praise strong output quality, fast responses, and easy integration, while some say answers have become more generic, miss context, or still trail Claude on complex multi-step work. Several users also want better long-term memory, clearer update behavior, and more predictable costs. Makers of Product Hunt, Wispr Flow, and Warp say its models are core to production systems and quick testing.

+830

Summarized with AI

Pros

AI API (42)

fast performance (28)

AI integration ease (22)

AI model variety (20)

AI productivity boost (20)

AI innovation (19)

AI text generation (16)

AI creativity enhancement (14)

AI developer experience (12)

AI natural language processing (11)

Cons

AI accuracy issues (9)

AI pricing (3)

AI environmental impact (2)

Pros

Cons

Reviews

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Most Informative

Founder Reviews (800)

Other Reviews (27)

used OpenAI to build FetchSandbox

•8 reviews

What's great

I run GPT alongside Claude in FetchSandbox's generation pipeline — parsing OpenAPI specs, discovering realistic workflows, sanity-checking output across 60+ APIs. Where GPT earns its place is breadth and reliability: it's seen every API convention under the sun, and its structured output (function calling / JSON mode) parses cleanly every time — which matters when you're generating at volume and can't babysit each result. It's the dependable workhorse: fast, consistent, and it just works. For a solo founder shipping a lot, that consistency is gold.

What needs improvement

Main friction is scaling headroom — rate limits and the tier ramp can bite when a batch job spikes, so I've had to build retries/backoff around occasional latency. Smoother burst handling for high-volume generation jobs would help. Model version churn is the other one: pinning a version and migrating on deprecation adds overhead. Minor next to how much it just works, though.

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120 views2mo ago

used OpenAI to build Hyperif

•1 review

At Hyperif, we rely on Azure OpenAI to power our platform, enabling us to offer a robust, secure, and scalable solution to our users. The ability to run our own dedicated instances and infrastructure ensures that we can maintain complete control over data privacy, safeguarding our users' information. Azure OpenAI allows us to leverage OpenAI’s powerful models while providing the separation and security we need. It’s the perfect balance—highly flexible, with seamless API integration that’s both easy to use and implement. This makes it simple for us to integrate advanced AI functionality into Hyperif, delivering consistent performance with peace of mind. The clear and straightforward APIs have allowed us to focus on building the features our users love, without worrying about the complexities of the underlying infrastructure. With OpenAI through Azure, we’re able to provide a secure and powerful AI-driven experience while ensuring our users’ data stays private and protected.

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213 views1yr ago

used OpenAI to build InterviewBee AI

•3 reviews

We chose OpenAI over alternatives like Cohere and Anthropic because OpenAI's models provide faster response times (under 2 seconds) and more natural conversational abilities essential for live interview assistance. Unlike Google's PaLM, OpenAI handles nuanced professional context better, delivering more relevant interview talking points. Their reliability at scale and comprehensive documentation also made implementation significantly easier compared to building with open-source models like Llama.

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174 views1yr ago

•1 review