Friendly ping!
Please let me know if there are further questions or comments.
Thank you!
On Tue, May 20, 2025 at 9:36 AM Daseul Lee <ds...@chromium.org>
wrote:
Please see the inline replies below.
On Fri, May 16, 2025 at 4:42 PM Mike Taylor
<miketa...@chromium.org> wrote:
On 5/16/25 12:14 PM, Daseul Lee wrote:
Contact emails
dome...@chromium.org, kenjibah...@chromium.org,
m...@chromium.org, btri...@chromium.org,
ds...@chromium.org, a...@chromium.org
Explainer
https://github.com/webmachinelearning/writing-assistance-apis/blob/main/README.md
<https://github.com/webmachinelearning/writing-assistance-apis/blob/main/README.md>
Specification
https://webmachinelearning.github.io/writing-assistance-apis/#summarizer-api
<https://webmachinelearning.github.io/writing-assistance-apis/#summarizer-api>
Summary
The Summarizer API can convert long input text to more
concise text, or recapitulate input text with various
requested options, such as text length, format and/or
type. Developers may use this API to provide a summary
of news articles, reviews or blog posts.
Blink component
Blink>AI>Summarization
<https://issues.chromium.org/issues?q=customfield1222907:%22Blink%3EAI%3ESummarization%22>
TAG review
https://github.com/w3ctag/design-reviews/issues/991
<https://github.com/w3ctag/design-reviews/issues/991>
TAG review status
Pending
Origin Trial Name
Summarization API
Chromium Trial Name
AISummarizationAPI
Origin Trial documentation link
https://developer.chrome.com/docs/ai/summarizer-api
<https://developer.chrome.com/docs/ai/summarizer-api>
WebFeature UseCounter name
kSummarizer_Summarize
Risks
Interoperability and Compatibility
This feature, like all built-in AI features, has
inherent interoperability risks due to the use of AI
models whose behavior is not fully specified. See some
general discussion in
https://www.w3.org/reports/ai-web-impact/#interop
<https://www.w3.org/reports/ai-web-impact/#interop>.
By providing a high-level API with clear output
formats, as well as a capabilities API for detecting
what a given browser supports, we believe we can guide
web developers toward using the API in an interoperable
way that does not depend on the specific models that a
given browser or browser version uses.
Gecko: Defer
(https://github.com/mozilla/standards-positions/issues/1067
<https://github.com/mozilla/standards-positions/issues/1067>)
There was a request to comment when these features were
moving to the I2S stage - can we do to see if Mozilla is
ready to give a position?
Yes, we've given the intent to ship status update:
https://github.com/mozilla/standards-positions/issues/1067
<https://github.com/mozilla/standards-positions/issues/1067>
WebKit: No signal
(https://github.com/WebKit/standards-positions/issues/393
<https://github.com/WebKit/standards-positions/issues/393>)
Web developers: Positive
(https://github.com/WICG/proposals/issues/163
<https://github.com/WICG/proposals/issues/163>)
Origin Trial signups have been 5x higher than what we
see from typical Origin Trials, suggesting a lot of
developer and partner interest. The survey conducted
during the Origin Trial, in February 2025, shows
positive quantitative feedback [1], and third-party
partners have utilized the API for various use cases
[2] [3].
Do you have any qualitative feedback from the OT to
share, in particular around the API shape or platform
availability limitations (i.e., has anyone given any
feedback on the desktop-only nature of these APIs)?
Platform availability wise, several partners have asked for
mobile support, which is something we hope to fulfill in
future iterations, when possible.
Ergonomics wise, nothing in particular, partners seem to
like the API (also reflected in the scores we got via the
readiness survey[1]).
[1]
https://docs.google.com/presentation/d/1DhFC2oB4PRrchavxUY3h9U4w4hrX5DAc5LoMqhn5hnk/mobilepresent?slide=id.g349a9ada368_1_6327
<https://docs.google.com/presentation/d/1DhFC2oB4PRrchavxUY3h9U4w4hrX5DAc5LoMqhn5hnk/mobilepresent?slide=id.g349a9ada368_1_6327>
[2]
https://developer.chrome.com/blog/summarizer-terra-brightsites
<https://developer.chrome.com/blog/summarizer-terra-brightsites>
[3]
http://developer.chrome.com/blog/summarizer-redbus-miravia
<http://developer.chrome.com/blog/summarizer-redbus-miravia>
Other signals:
Activation
This feature would definitely benefit from having
polyfills, backed by any of: cloud services,
lazily-loaded client-side models using WebGPU, or the
web developer's own server. We anticipate seeing an
ecosystem of such polyfills grow as more developers
adopt this API.
WebView application risks
Does this intent deprecate or change behavior of
existing APIs, such that it has potentially high risk
for Android WebView-based applications?
None
Debuggability
It is possible that giving DevTools more insight into
the nondeterministic states of the model, e.g. random
seeds, could help with debugging. See related
discussion at
https://github.com/webmachinelearning/prompt-api/issues/9
<https://github.com/webmachinelearning/prompt-api/issues/9>.
Will this feature be supported on all six Blink
platforms (Windows, Mac, Linux, ChromeOS,
Android, and Android WebView)?
No
Not all platforms will come with a language model. In
particular, the initial launch focuses on Windows, Mac,
and Linux.
Is this feature fully tested by
web-platform-tests
<https://chromium.googlesource.com/chromium/src/+/main/docs/testing/web_platform_tests.md>?
No
We have added some web platform test coverage for this
feature
(https://wpt.fyi/results/ai/summarizer?label=experimental&label=master&aligned
<https://wpt.fyi/results/ai/summarizer?label=experimental&label=master&aligned>).
How much we are able to test beyond the surface API is
unclear, given the nondeterministic nature of the
output. The explainer discusses this in
https://github.com/WICG/writing-assistance-apis/blob/main/README.md#specifications-and-tests
<https://github.com/WICG/writing-assistance-apis/blob/main/README.md#specifications-and-tests>.
Flag name on about://flags
summarization-api-for-gemini-nano
Finch feature name
AISummarizationAPI
Rollout plan
Will ship enabled for all users
Requires code in //chrome?
True
Tracking bug
https://issues.chromium.org/issues/351744634
<https://issues.chromium.org/issues/351744634>
Sample links
https://chrome.dev/web-ai-demos/summarization-api-playground
<https://chrome.dev/web-ai-demos/summarization-api-playground>
https://ai.etiennenoel.com/summarizer-api
<https://ai.etiennenoel.com/summarizer-api>
Estimated milestones
Shipping on desktop
138
Origin trial desktop first
131
Origin trial desktop last
136
Origin trial extension 1 end milestone
139
Anticipated spec changes
None
Link to entry on the Chrome Platform Status
https://chromestatus.com/feature/5193953788559360?gate=5089800596750336
<https://chromestatus.com/feature/5193953788559360?gate=5089800596750336>
Links to previous Intent discussions
Intent to Prototype:
https://groups.google.com/a/chromium.org/g/blink-dev/c/rCpcU0ZTgTk
<https://groups.google.com/a/chromium.org/g/blink-dev/c/rCpcU0ZTgTk>
Intent to Experiment:
https://groups.google.com/a/chromium.org/g/blink-dev/c/X-VxVeiJgtM
<https://groups.google.com/a/chromium.org/g/blink-dev/c/X-VxVeiJgtM>
Intent to Extend Experiment 1:
https://groups.google.com/a/chromium.org/g/blink-dev/c/u2MRIDCBZQg
<https://groups.google.com/a/chromium.org/g/blink-dev/c/u2MRIDCBZQg>
This intent message was generated by Chrome Platform
Status <https://chromestatus.com/>.
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