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AI · head to head

Copilotly vs OpenAI API

Copilotly logo

Copilotly

AI

131 specialist AI copilots across 20 professional domains

From
Free
Free plan
Yes
OpenAI API logo

OpenAI API

Machine Learning

Hosted API for OpenAI's language, embedding, image and audio models, billed per token

From
$0.15/per-million-tokens
Free plan
No

The short version

  • Only Copilotly has a free tier, so it costs nothing to try first.
  • Each has a real cost: Copilotly copilotly explicitly disclaims that its legal, medical, and financial copilots are not a substitute for licensed professional advice, which limits its use for anything requiring accountable expert sign-off.; OpenAI API cost scales with tokens rather than with seats, so a successful feature's bill grows with its adoption, and an interface that lets users paste long documents has no natural ceiling on spend unless you build one yourself.
  • They diverge on capability: Copilotly covers 131 specialist copilots, OpenAI API covers Text and reasoning models.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Copilotly and OpenAI API actually diverge.

Attributes where Copilotly and OpenAI API differ
AttributeCopilotlyOpenAI API
Starting priceFree$0.15/per-million-tokens
Pricing modelfreemiumusage-based
Free tierYesNo
Platformsweb, ios, android, windows, macApi
CategoryAIMachine Learning
FoundedUnknown2015

Identical on both: user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Copilotly

  • 131 specialist copilots
  • Browser extension
  • Multi-model routing
  • Document upload and analysis
  • Encrypted conversations
  • Desktop and mobile apps
  • Admin dashboard and usage analytics
  • SSO and SAML

Only in OpenAI API

  • Text and reasoning models
  • Embeddings
  • Speech and audio
  • Image generation
  • Function calling
  • Structured outputs
  • Batch processing
  • Prompt caching

What people use each for

The jobs each tool is most often brought in to do.

Copilotly

  • Getting a quick legal or contract question answered without booking a consultationnot OpenAI API
  • Drafting and reviewing professional documents with domain-specific guidancenot OpenAI API
  • Researching medical, financial, or HR questions with a specialist-tuned assistantnot OpenAI API
  • Working across many knowledge-work tasks under one subscription instead of separate toolsnot OpenAI API
  • Getting AI help directly inside the browser while reading any webpagenot OpenAI API

OpenAI API

  • Adding summarisation, drafting or classification to an existing product where building a model would take longer than the product's whole roadmapnot Copilotly
  • Retrieval-augmented question answering over internal documents, using the embedding and generation models togethernot Copilotly
  • Extracting structured records from unstructured text, where schema-constrained output removes most of the parsing problemnot Copilotly
  • Prototyping a language feature quickly to find out whether it is worth the cost of a self-hosted alternative laternot Copilotly

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Copilotly

  • Copilotly explicitly disclaims that its legal, medical, and financial copilots are not a substitute for licensed professional advice, which limits its use for anything requiring accountable expert sign-off.
  • The free plan caps usage at 3 copilots and 50 messages per day, pushing most real usage onto the paid Pro tier.
  • It relies on third-party foundation models (GPT-4o, Claude, Gemini, DeepSeek) rather than proprietary domain models, so answer quality is bounded by those underlying models.
  • There is no published documentation site or API, limiting integration options for developers or teams wanting to build on top of it.
  • Safari support is listed as 'coming soon' rather than available, so macOS/iOS Safari users are currently unsupported in-browser.

OpenAI API

  • Cost scales with tokens rather than with seats, so a successful feature's bill grows with its adoption, and an interface that lets users paste long documents has no natural ceiling on spend unless you build one yourself.
  • Models are deprecated on the vendor's timetable, and a fine-tuned model built on a retired base goes with it, so the tuning work and the data curation behind it must be redone rather than migrated.
  • Behaviour shifts between model versions in ways no test catches unless you wrote one, so prompts tuned over months against a particular snapshot can regress quietly on migration, which makes an evaluation suite a prerequisite rather than an improvement.
  • It cannot run inside your own network, so data residency requirements, air-gapped environments and contracts forbidding third-party processing rule it out regardless of the provider's own security posture.
  • You inherit its availability and its rate limits, so a provider incident is an outage in your product and a traffic spike can be throttled at precisely the moment the feature is proving itself.

Pricing, plan by plan

Copilotly

Free
  • FreeFree
    • Access to 3 copilots of your choice
    • 50 messages per day
    • Conversation history
  • Pro$29/month
    • Every copilot unlocked (131 across 20 domains)
    • Unlimited messages
    • Also billed $4.99/week or $290/year
  • Enterprise$undefined/month
    • Everything in Pro
    • Unlimited team members
    • Custom copilots on your own data

OpenAI API

$0.15/per-million-tokens
  • GPT-4o mini$0.15/per-million-input-tokens
    • Fast
    • Affordable
  • GPT-4o$5/per-million-input-tokens
    • Multimodal
    • 128K context

Which should you pick?

Choose Copilotly if

  • You need 131 specialist copilots.
  • You want to start without paying.
  • You work on web, ios, android, windows, mac.
  • You also want browser extension.

Choose OpenAI API if

  • You need text and reasoning models.
  • You work on Api.
  • You also want embeddings.

Questions people ask

Is Copilotly or OpenAI API better?
Neither clearly leads. Copilotly starts at Free and OpenAI API at $0.15/per-million-tokens, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Copilotly or OpenAI API?
Copilotly has a free tier; the other does not. Paid plans start at Free for Copilotly and $0.15/per-million-tokens for OpenAI API.
Does Copilotly or OpenAI API run on more platforms?
Copilotly runs on web, ios, android, windows, mac. OpenAI API runs on Api.
Can I use Copilotly for free?
Yes. Copilotly has a free tier, so you can try it without paying. OpenAI API starts at $0.15/per-million-tokens.
What is Copilotly best used for?
Copilotly is most often used for getting a quick legal or contract question answered without booking a consultation, drafting and reviewing professional documents with domain-specific guidance, researching medical, financial, or hr questions with a specialist-tuned assistant, working across many knowledge-work tasks under one subscription instead of separate tools. Of those, getting a quick legal or contract question answered without booking a consultation and drafting and reviewing professional documents with domain-specific guidance are not what OpenAI API is typically brought in for.
What can Copilotly do that OpenAI API cannot?
Copilotly covers 131 specialist copilots, Browser extension, Multi-model routing, Document upload and analysis. OpenAI API covers Text and reasoning models, Embeddings, Speech and audio, Image generation.

Answered from the vendors’ own pages

Copilotly: What do you get on the free plan?

Three copilots of your choosing, 50 messages a day, conversation history and the browser extension. No card and no time limit: the 50 messages are a daily cap that resets rather than a total.

Source
OpenAI API: Is my data used to train the models?

API inputs and outputs are not used for training by default, which differs from the consumer product. Retention periods and enterprise terms change, so read the current data usage policy rather than trusting a summary.

Copilotly: How much is Pro, and is annual cheaper?

Pro bills three ways: $4.99 a week, $29 a month, or $290 a year. The annual cycle works out at about $24.17 a month, so it is the cheapest of the three.

Source
OpenAI API: Can I run these models on my own hardware?

No. The weights are not distributed. If self-hosting is a requirement, you are looking at open-weight models instead, with the operational and quality trade-offs that implies.

Copilotly: Can I try it before paying, and can I get a refund?

Pro has a three-day free trial and a seven-day money-back guarantee. Subscriptions can be cancelled at any time with no cancellation fee.

Source
OpenAI API: How is it priced?

Per token, with input and output priced differently and each model priced differently. Batch processing and cached input prefixes reduce it. The practical consequence is that your bill is a function of prompt design, not just of request count.

Copilotly: Which models does Copilotly run on?

It routes to third-party foundation models rather than its own: GPT-4o, Claude, Gemini and DeepSeek. Answer quality is therefore bounded by whichever of those handles a query.

Source
OpenAI API: What is the difference from Azure OpenAI Service?

The same model family delivered by Microsoft under an Azure contract, with Azure identity, networking and regional controls, and a different release cadence for new models. Enterprises with an Azure agreement often choose it for procurement and data residency reasons rather than technical ones.

OpenAI API: How do I keep the cost under control?

Cap input length, cache repeated prefixes, route easy requests to smaller models, use the batch path where latency does not matter, and set per-user limits before launch rather than after the first surprising invoice.

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