Is Epoch AI better than OpenReview?

Epoch AI ranks higher in our list of machine learning research resources (#4 against #6, score 86.5 against 85.5), but the gap is small and the better choice depends on what you need. Epoch AI is best for: long-run trends in AI capability and compute. OpenReview is best for: reviews and submissions for ML conferences.

Which is cheaper, Epoch AI or OpenReview?

Epoch AI: Public datasets, benchmarks and reports on the site. OpenReview: No charge shown on the homepage; the site has a donate link.

Do Epoch AI and OpenReview run on the same platforms?

Epoch AI supports Web. OpenReview supports Web.

Comparison · Machine learning research resources

Epoch AI vs OpenReview: which is better in 2026?

Epoch AI86.5#4 in best machine learning research resources

OpenReview85.5#6 in best machine learning research resources

Epoch AI ranks higher in our list of machine learning research resources (#4 against #6, score 86.5 against 85.5), but the gap is small and the better choice depends on what you need.

How we rank Share

86.5
Editorial score
85.5
1
Platforms
1
Yes
Free to use
Yes
No
Open source
No

Which should you choose?

Choose Epoch AI if you want

Long-run trends in AI capability and compute.

Public datasets on AI models over time, with benchmarks and reports on trends. It is analysis rather than a live ranking, so pair it with Arena AI for current models.

Choose OpenReview if you want

Reviews and submissions for ML conferences.

Open peer review platform that hosts submissions and reviews for a long list of machine learning and AI venues, with 171 venues on its index. Its review record is primary for those venues, but coverage depends on which conferences use it.

Side by side

	Epoch AI	OpenReview
Score	86.5	85.5
Rank in list	#4 of 10	#6 of 10
Price	FreePublic datasets, benchmarks and reports on the site	FreeNo charge shown on the homepage; the site has a donate link
Free to use	Yes	Yes
Open source	No	No
Platforms	WebWeb	WebWeb
Made by	Epoch AI	OpenReview
Main content	Datasets and reports	Submissions and peer reviews
Developer API	Not listed	Not listed
Peer review	Not stated	Peer review run on the platform
Best for	Long-run trends in AI capability and compute	Reviews and submissions for ML conferences
Strengths	Public catalog of models tracked over time Benchmarks including FrontierMath and the Capabilities Index Reports on chips, data centers and energy	Hosts review for many AI and machine learning venues Index of 171 venues on one site Open source according to the homepage
Limits	Reports are analysis, not a live leaderboard Focus is on trends more than model rankings	Coverage depends on which venues use the platform
Links	Visit site	Visit site

Questions about Epoch AI vs OpenReview

Is Epoch AI better than OpenReview?: Epoch AI ranks higher in our list of machine learning research resources (#4 against #6, score 86.5 against 85.5), but the gap is small and the better choice depends on what you need. Epoch AI is best for: long-run trends in AI capability and compute. OpenReview is best for: reviews and submissions for ML conferences.
Which is cheaper, Epoch AI or OpenReview?: Epoch AI: Public datasets, benchmarks and reports on the site. OpenReview: No charge shown on the homepage; the site has a donate link.
Do Epoch AI and OpenReview run on the same platforms?: Epoch AI supports Web. OpenReview supports Web.