{"schema_version":"onlylabs.public_signal.v1","title":"Anthropic Writing: 100k Context Windows","description":"Anthropic writing signal with public source context, captured evidence pages, related signals, and data-business radar classification.","url":"https://onlylabs.fyi/signals/8c60e1c2-adbe-4da0-858f-50d9eff437be","json_url":"https://onlylabs.fyi/signals/8c60e1c2-adbe-4da0-858f-50d9eff437be/signal.json","generated_at":"2026-06-11T04:16:52.022265+00:00","org":{"slug":"anthropic","name":"Anthropic","category":"frontier-lab","category_label":"Frontier lab","dossier_url":"https://onlylabs.fyi/labs/anthropic","dossier_json_url":"https://onlylabs.fyi/labs/anthropic/dossier.json"},"related_urls":{"signal":"https://onlylabs.fyi/signals/8c60e1c2-adbe-4da0-858f-50d9eff437be","signal_json":"https://onlylabs.fyi/signals/8c60e1c2-adbe-4da0-858f-50d9eff437be/signal.json","source":"https://www.anthropic.com/news/100k-context-windows","lab_dossier":"https://onlylabs.fyi/labs/anthropic","lab_dossier_json":"https://onlylabs.fyi/labs/anthropic/dossier.json","analysis":"https://onlylabs.fyi/analysis/anthropic","analysis_json":"https://onlylabs.fyi/analysis/anthropic/analysis.json","analysis_evidence_json":"https://onlylabs.fyi/analysis/anthropic/evidence.json","category":"https://onlylabs.fyi/frontier","category_json":"https://onlylabs.fyi/frontier.json","category_feed":"https://onlylabs.fyi/frontier/feed.xml","category_signals_json":"https://onlylabs.fyi/signals.json","topic":"https://onlylabs.fyi/topics/talking","topic_signals_json":"https://onlylabs.fyi/topics/talking/signals.json","topic_feed":"https://onlylabs.fyi/topics/talking/feed.xml","data_business":null},"answer_pack":{"answer":"Anthropic published 100k Context Windows. This talking signal gives public context for research themes, product direction, policy, or launch framing. High-signal details: Introducing 100K Context Windows \\ Anthropic Announcements Introducing 100K Context Windows May 11, 2023 We’ve expanded Claude’s context window from 9K to 100K tokens,.... onlylabs links this event to 1 captured evidence page and 6 related writing signals.","signal_desk":"talking","source_context":{"source_url":"https://www.anthropic.com/news/100k-context-windows","source_host":"anthropic.com","occurred_at":"2023-05-11T00:00:00.000Z","first_seen_at":"2026-06-09T02:17:26.339488+00:00","date_source":"page.visible_date","context":null},"context_markers":[{"label":"Lab","value":"Anthropic","source":"signal"},{"label":"Signal desk","value":"talking","source":"signal"},{"label":"Source host","value":"anthropic.com","source":"source"},{"label":"Watch term","value":"Infrastructure","source":"evidence"},{"label":"Watch term","value":"Safety and alignment","source":"evidence"}],"evidence_coverage":{"target_pages":1,"captured_pages":1,"readable_pages":1,"capture_methods":["plain"],"missing_page_urls":[],"failed_page_urls":[],"blocked_page_urls":[],"page_urls":["https://www.anthropic.com/news/100k-context-windows"],"related_signals":6,"has_source_url":true,"latest_page_fetched_at":"2026-06-11T04:16:52.022265+00:00"},"data_business":{"matches":false,"lanes":[],"matched_terms":[],"score":null,"reason":null},"agent_handoff":{"signal_json":"https://onlylabs.fyi/signals/8c60e1c2-adbe-4da0-858f-50d9eff437be/signal.json","dossier_json":"https://onlylabs.fyi/labs/anthropic/dossier.json","analysis_json":"https://onlylabs.fyi/analysis/anthropic/analysis.json","analysis_evidence_json":"https://onlylabs.fyi/analysis/anthropic/evidence.json","topic_signals_json":"https://onlylabs.fyi/topics/talking/signals.json","topic_feed":"https://onlylabs.fyi/topics/talking/feed.xml","category_signals_json":"https://onlylabs.fyi/signals.json","data_radar_json":null,"opportunities_json":null},"analysis_playbook":{"objective":"Turn public writing and discussion into a readable map of research themes, product framing, policy posture, launch narratives, and market attention.","evidence_focus":["post title","source URL","captured page text","HN traction","linked model or paper references","publication date"],"extraction_questions":["Which themes are labs choosing to explain publicly?","Which posts are attracting outside discussion?","Which writing reframes a recent release, model, hiring wave, or policy stance?","Which posts mention data, evals, infrastructure, safety, or deployment workflows?"],"signal_questions":["What public theme, launch framing, or research direction does this writing signal expose?","Which themes are labs choosing to explain publicly?","Which posts are attracting outside discussion?","Do the 6 related writing signals show a repeated pattern?"],"output_fields":["org","theme","public_framing","traction","data_business_lane","evidence_url"],"data_business_relevance":"Public writing supplies the narrative layer over raw signals and helps identify which frontier-lab priorities are becoming externally legible.","required_sources":[{"label":"signal_json","url":"https://onlylabs.fyi/signals/8c60e1c2-adbe-4da0-858f-50d9eff437be/signal.json","required":true},{"label":"source","url":"https://www.anthropic.com/news/100k-context-windows","required":true},{"label":"dossier_json","url":"https://onlylabs.fyi/labs/anthropic/dossier.json","required":true},{"label":"analysis_evidence_json","url":"https://onlylabs.fyi/analysis/anthropic/evidence.json","required":true},{"label":"topic_signals_json","url":"https://onlylabs.fyi/topics/talking/signals.json","required":false},{"label":"data_radar_json","url":null,"required":false}],"expected_output":["one-paragraph source-grounded interpretation","category-specific implication","confidence and missing evidence","recommended next source to inspect"],"prompt_seed":"Using only the linked onlylabs JSON, captured source context, and cited evidence, analyze Anthropic's writing signal \"100k Context Windows\" for frontier lab strategy."},"semantic_triples":[{"subject":"Anthropic","predicate":"published","object":"100k Context Windows","text":"Anthropic published 100k Context Windows."},{"subject":"100k Context Windows","predicate":"is classified as","object":"writing signal","text":"100k Context Windows is classified as writing signal."},{"subject":"100k Context Windows","predicate":"belongs to","object":"talking desk","text":"100k Context Windows belongs to talking desk."},{"subject":"100k Context Windows","predicate":"has evidence coverage","object":"1 captured evidence page","text":"100k Context Windows has evidence coverage 1 captured evidence page."},{"subject":"100k Context Windows","predicate":"has captured page count","object":"1","text":"100k Context Windows has captured page count 1."},{"subject":"100k Context Windows","predicate":"has readable page count","object":"1","text":"100k Context Windows has readable page count 1."},{"subject":"100k Context Windows","predicate":"has related signal count","object":"6","text":"100k Context Windows has related signal count 6."},{"subject":"100k Context Windows","predicate":"has analysis playbook objective","object":"Turn public writing and discussion into a readable map of research themes, product framing, policy posture, launch narratives, and market attention.","text":"100k Context Windows has analysis playbook objective Turn public writing and discussion into a readable map of research themes, product framing, policy posture, launch narratives, and market attention.."},{"subject":"100k Context Windows","predicate":"has source host","object":"anthropic.com","text":"100k Context Windows has source host anthropic.com."},{"subject":"100k Context Windows","predicate":"has lab","object":"Anthropic","text":"100k Context Windows has lab Anthropic."},{"subject":"100k Context Windows","predicate":"has signal desk","object":"talking","text":"100k Context Windows has signal desk talking."},{"subject":"100k Context Windows","predicate":"has source host","object":"anthropic.com","text":"100k Context Windows has source host anthropic.com."},{"subject":"100k Context Windows","predicate":"has watch term","object":"Infrastructure","text":"100k Context Windows has watch term Infrastructure."},{"subject":"100k Context Windows","predicate":"has watch term","object":"Safety and alignment","text":"100k Context Windows has watch term Safety and alignment."}]},"intelligence":{"signal_desk":"talking","answer":"Anthropic published 100k Context Windows. This talking signal gives public context for research themes, product direction, policy, or launch framing. High-signal details: Introducing 100K Context Windows \\ Anthropic Announcements Introducing 100K Context Windows May 11, 2023 We’ve expanded Claude’s context window from 9K to 100K tokens,.... onlylabs links this event to 1 captured evidence page and 6 related writing signals.","semantic_triples":[{"subject":"Anthropic","predicate":"published","object":"100k Context Windows","text":"Anthropic published 100k Context Windows."},{"subject":"100k Context Windows","predicate":"is classified as","object":"writing signal","text":"100k Context Windows is classified as writing signal."},{"subject":"100k Context Windows","predicate":"belongs to","object":"talking desk","text":"100k Context Windows belongs to talking desk."},{"subject":"100k Context Windows","predicate":"has evidence coverage","object":"1 captured evidence page","text":"100k Context Windows has evidence coverage 1 captured evidence page."}]},"signal":{"id":"8c60e1c2-adbe-4da0-858f-50d9eff437be","url":"https://onlylabs.fyi/signals/8c60e1c2-adbe-4da0-858f-50d9eff437be","json_url":"https://onlylabs.fyi/signals/8c60e1c2-adbe-4da0-858f-50d9eff437be/signal.json","source_url":"https://www.anthropic.com/news/100k-context-windows","title":"100k Context Windows","summary":"Anthropic published a writing signal. onlylabs watches public writing for research themes, product direction, and model-launch context.","context":null,"kind":{"key":"post_published","label":"Writing"},"org":{"slug":"anthropic","name":"Anthropic","category":"frontier-lab"},"occurred_at":"2023-05-11T00:00:00.000Z","first_seen_at":"2026-06-09T02:17:26.339488+00:00","date_source":"page.visible_date","evidence_coverage":{"target_pages":1,"captured_pages":1,"readable_pages":1,"capture_methods":["plain"],"missing_page_urls":[],"failed_page_urls":[],"blocked_page_urls":[],"page_urls":["https://www.anthropic.com/news/100k-context-windows"]},"facets":{},"traction":{"github_stars":null,"hn_points":null,"hn_comments":null,"hn_story_id":null,"hf_downloads":null,"hf_likes":null},"data_radar":null},"primary_evidence_page":{"url":"https://www.anthropic.com/news/100k-context-windows","final_url":"https://www.anthropic.com/news/100k-context-windows","title":"100k Context Windows","http_status":200,"content_type":"text/html; charset=utf-8","capture_method":"plain","fetched_at":"2026-06-11T04:16:52.022265+00:00","bytes":114183,"raw_path":"b1525886b462dbfac876d712dded1d41fea3c0d72afeb83cfce86ad834a289d3.html","content_hash":"153c0479fa1e850a21b8a75f308ef75db290f0754a78c4fdfb2f9b8e7c8af77b","excerpt_chars":1200,"truncated":true,"excerpt":"Introducing 100K Context Windows \\ Anthropic Announcements Introducing 100K Context Windows May 11, 2023 We’ve expanded Claude’s context window from 9K to 100K tokens, corresponding to around 75,000 words! This means businesses can now submit hundreds of pages of materials for Claude to digest and analyze, and conversations with Claude can go on for hours or even days. The average person can read 100,000 tokens of text in ~5+ hours[1], and then they might need substantially longer to digest, remember, and analyze that information. Claude can now do this in less than a minute. For example, we loaded the entire text of The Great Gatsby into Claude-Instant (72K tokens) and modified one line to say Mr. Carraway was “a software engineer that works on machine learning tooling at Anthropic.” When we asked the model to spot what was different, it responded with the correct answer in 22 seconds . Beyond just reading long texts, Claude can help retrieve information from the documents that help your business run. You can drop multiple documents or even a book into the prompt and then ask Claude questions that require synthesis of knowledge across many parts of the text. For complex..."},"evidence_pages":[{"url":"https://www.anthropic.com/news/100k-context-windows","final_url":"https://www.anthropic.com/news/100k-context-windows","title":"100k Context Windows","http_status":200,"content_type":"text/html; charset=utf-8","capture_method":"plain","fetched_at":"2026-06-11T04:16:52.022265+00:00","bytes":114183,"raw_path":"b1525886b462dbfac876d712dded1d41fea3c0d72afeb83cfce86ad834a289d3.html","content_hash":"153c0479fa1e850a21b8a75f308ef75db290f0754a78c4fdfb2f9b8e7c8af77b","excerpt_chars":1200,"truncated":true,"excerpt":"Introducing 100K Context Windows \\ Anthropic Announcements Introducing 100K Context Windows May 11, 2023 We’ve expanded Claude’s context window from 9K to 100K tokens, corresponding to around 75,000 words! This means businesses can now submit hundreds of pages of materials for Claude to digest and analyze, and conversations with Claude can go on for hours or even days. The average person can read 100,000 tokens of text in ~5+ hours[1], and then they might need substantially longer to digest, remember, and analyze that information. Claude can now do this in less than a minute. For example, we loaded the entire text of The Great Gatsby into Claude-Instant (72K tokens) and modified one line to say Mr. Carraway was “a software engineer that works on machine learning tooling at Anthropic.” When we asked the model to spot what was different, it responded with the correct answer in 22 seconds . Beyond just reading long texts, Claude can help retrieve information from the documents that help your business run. You can drop multiple documents or even a book into the prompt and then ask Claude questions that require synthesis of knowledge across many parts of the text. For complex..."}],"related_signals":[{"id":"6c78c028-3ab4-4b33-86f7-d86c8ba9e3ba","url":"https://onlylabs.fyi/signals/6c78c028-3ab4-4b33-86f7-d86c8ba9e3ba","source_url":"https://www.anthropic.com/research/agents-in-biology","title":"Agents In Biology","context":null,"kind":{"key":"post_published","label":"Writing"},"org":{"slug":"anthropic","name":"Anthropic","category":"frontier-lab"},"occurred_at":"2026-06-10T15:16:01+00:00","first_seen_at":"2026-06-09T02:17:26.339488+00:00","date_source":"sitemap.lastmod"},{"id":"2648db51-9d6a-42a9-aece-a0ca5f9ce64f","url":"https://onlylabs.fyi/signals/2648db51-9d6a-42a9-aece-a0ca5f9ce64f","source_url":"https://www.anthropic.com/news/claude-fable-5-mythos-5","title":"Claude Fable 5 Mythos 5","context":null,"kind":{"key":"post_published","label":"Writing"},"org":{"slug":"anthropic","name":"Anthropic","category":"frontier-lab"},"occurred_at":"2026-06-09T20:27:50+00:00","first_seen_at":"2026-06-10T07:01:05.666054+00:00","date_source":"sitemap.lastmod"},{"id":"8475487f-45b4-4689-9bc5-8e4c6ca0457d","url":"https://onlylabs.fyi/signals/8475487f-45b4-4689-9bc5-8e4c6ca0457d","source_url":"https://www.anthropic.com/engineering/how-we-contain-claude","title":"How We Contain Claude","context":null,"kind":{"key":"post_published","label":"Writing"},"org":{"slug":"anthropic","name":"Anthropic","category":"frontier-lab"},"occurred_at":"2026-06-06T00:28:16+00:00","first_seen_at":"2026-06-09T02:17:26.339488+00:00","date_source":"sitemap.lastmod"},{"id":"e4fbfcdd-15b4-41b9-b011-fd83e7068ae9","url":"https://onlylabs.fyi/signals/e4fbfcdd-15b4-41b9-b011-fd83e7068ae9","source_url":"https://www.anthropic.com/research/making-claude-a-chemist","title":"Making Claude A Chemist","context":null,"kind":{"key":"post_published","label":"Writing"},"org":{"slug":"anthropic","name":"Anthropic","category":"frontier-lab"},"occurred_at":"2026-06-05T20:13:40+00:00","first_seen_at":"2026-06-09T02:17:26.339488+00:00","date_source":"sitemap.lastmod"},{"id":"cc62deba-9682-4751-aa6b-81c3bd7122a0","url":"https://onlylabs.fyi/signals/cc62deba-9682-4751-aa6b-81c3bd7122a0","source_url":"https://www.anthropic.com/research/measuring-agent-autonomy","title":"Measuring Agent Autonomy","context":null,"kind":{"key":"post_published","label":"Writing"},"org":{"slug":"anthropic","name":"Anthropic","category":"frontier-lab"},"occurred_at":"2026-06-05T15:49:18+00:00","first_seen_at":"2026-06-09T02:17:26.339488+00:00","date_source":"sitemap.lastmod"},{"id":"93da14fd-7141-4e17-abd6-1c8d52435c70","url":"https://onlylabs.fyi/signals/93da14fd-7141-4e17-abd6-1c8d52435c70","source_url":"https://www.anthropic.com/research/values-wild","title":"Values Wild","context":null,"kind":{"key":"post_published","label":"Writing"},"org":{"slug":"anthropic","name":"Anthropic","category":"frontier-lab"},"occurred_at":"2026-06-05T15:38:54+00:00","first_seen_at":"2026-06-09T02:17:26.339488+00:00","date_source":"sitemap.lastmod"}]}