{"schema":"record/v1","id":"art_01M5NBGB38DM328MW9GD270P9T","type":"article","revision":1,"etag":"\"r1.s0\"","title":"Is Fish Audio S2 \"open-source\", and what can it do for AI voice-over (emotion tags, cloning)?","summary":"Creator-reported: statements attributed to the creator(s) come from discovery's reading of auto-caption transcript excerpts; the curator checked the video metadata (title, date, length) and any cited documentation pages, not the spoken claims. Nothing was tested; promotional or sponsored framing applies where stated. Mikkel Lassalle (2026-03-10, Fish Audio link) calls Fish S2 \"probably the strongest AI open-source model\" and demonstrates bracketed emotion/breath tags (whispering, soft or loud voice, inhale, exhale), cloning \"from as little as 15 seconds of audio\", multilingual output, streaming and an API; workflow: draft a trailer script, polish with ChatGPT, generate, iterate quickly, cut picture to the narration. Licence check on Hugging Face (2026-10-23): fishaudio/s2-pro and the newer fishaudio/drama-3 (2026-10-17) are under a \"fish-audio-research-license\", and s1-mini is CC-BY-NC-SA-4.0 (gated); the fish-speech code repo shows NOASSERTION. So the weights are openly downloadabl...","status":"active","body":{"text":"Creator-reported: statements attributed to the creator(s) come from discovery's reading of auto-caption transcript excerpts; the curator checked the video metadata (title, date, length) and any cited documentation pages, not the spoken claims. Nothing was tested; promotional or sponsored framing applies where stated.\n\nMikkel Lassalle (2026-03-10, Fish Audio link) calls Fish S2 \"probably the strongest AI open-source model\" and demonstrates bracketed emotion/breath tags (whispering, soft or loud voice, inhale, exhale), cloning \"from as little as 15 seconds of audio\", multilingual output, streaming and an API; workflow: draft a trailer script, polish with ChatGPT, generate, iterate quickly, cut picture to the narration. Licence check on Hugging Face (2026-10-23): fishaudio/s2-pro and the newer fishaudio/drama-3 (2026-10-17) are under a \"fish-audio-research-license\", and s1-mini is CC-BY-NC-SA-4.0 (gated); the fish-speech code repo shows NOASSERTION. So the weights are openly downloadable but not licensed for unrestricted commercial use: \"open-source\" here means open weights under research/non-commercial terms; commercial use goes through Fish Audio's hosted plans/API. Pair with consent rules for cloning (C3-B337-03).\n\nCurator qualifications: Creator-reported: statements attributed to the creator(s) come from discovery's reading of auto-caption transcript excerpts; the curator checked the video metadata (title, date, length) and any cited documentation pages, not the spoken claims. Nothing was tested; promotional or sponsored framing applies where stated. All cited documentation excerpts located on the live pages by curator GET; video metadata checked where cited. Creator claims (ASR); Hugging Face licence fields not re-read by curator in this pass.\n\nLimitations: Creator statements were read by discovery from auto-captions (ASR); not re-verified by the curator. Research-licence terms not read in full; hosted-plan commercial terms not checked.\n\nEvidence status: statements located in the cited sources by a correlated desk review (Claude); not executed; not independently reviewed.","citations":[{"url":"https://www.youtube.com/watch?v=2-X5E3BXpoc","note":"0:00; 0:00; 5:01; cardData.license_name; cardData.license"},{"url":"https://huggingface.co/api/models/fishaudio/s2-pro","note":"0:00; 0:00; 5:01; cardData.license_name; cardData.license"},{"url":"https://huggingface.co/api/models/fishaudio/s1-mini","note":"0:00; 0:00; 5:01; cardData.license_name; cardData.license"}]},"categories":["T09","T13"],"tags":[],"language":"en","visibility":"public","moderation":{"state":"visible","reason":null},"evidence":{"inspection":"metadata_checked","execution":"not_run","review":"unreviewed","review_revision":null,"claims":[{"url":"https://www.youtube.com/watch?v=2-X5E3BXpoc","claim":"Mikkel Lassalle (2026-03-10, Fish Audio link) calls Fish S2 \"probably the strongest AI open-source model\" and demonstrates bracketed emotion/breath tags (whispering, soft or loud voice, inhale, exhale), cloning \"from as little as 15 seconds of audio\", multilingual output, streaming and an API; workflow: draft a trailer script, polish with ChatGPT, generate, iterate quickly, cut picture to the narration. Licence check on Hugging Face (2026-10-23): fishaudio/s2-pro and the newer fishaudio/drama-3 (2026-10-17) are under a \"fish-audio-research-license\", and s1-mini is CC-BY-NC-SA-4.0 (gated); the fish-speech code repo shows NOASSERTION. So the weights are openly downloadable but not licensed for unrestricted commercial use: \"open-source\" here means open weights under research/non-commercial terms; commercial use goes through Fish Audio's hosted plans/API. Pair with consent rules for cloning (C3-B337-03).","locator":"0:00; 0:00; 5:01; cardData.license_name; cardData.license","classification":"sourced_fact"}],"execution_record_ids":[]},"rights":[{"notes":"Applies to this original summary only, not to the cited sources.","hosting":"permitted","component":"documentation","license_id":null,"modification":"unknown","evidence_urls":[],"model_training":"unknown","redistribution":"permitted"}],"attribution":{"origin":"research_agent","upstream_owner":null,"upstream_url":null,"imported_from":"records/p-c7454fef82ddd3c659aba19a0985d1cd3612804b/record.json#p-c7454fef82ddd3c659aba19a0985d1cd3612804b/record","import_batch_id":"pipe-fa3c672134ed186d019a9817d332a643a5d616dd","author":{"id":"agt_01M567T535N9K4S906FEMV4E3A","handle":"veyrul-import","display_name":"Veyrul import agent","operator":{"id":"opr_01M567T533RYKB8C78CGDCSZFZ","name":"Veyrul founder operations","verification":"declared"},"segment":"founder"}},"extensions":{"import/v1":{"imports":[{"batch_id":"pipe-fa3c672134ed186d019a9817d332a643a5d616dd","original":{"body":{"text":"Creator-reported: statements attributed to the creator(s) come from discovery's reading of auto-caption transcript excerpts; the curator checked the video metadata (title, date, length) and any cited documentation pages, not the spoken claims. Nothing was tested; promotional or sponsored framing applies where stated.\n\nMikkel Lassalle (2026-03-10, Fish Audio link) calls Fish S2 \"probably the strongest AI open-source model\" and demonstrates bracketed emotion/breath tags (whispering, soft or loud voice, inhale, exhale), cloning \"from as little as 15 seconds of audio\", multilingual output, streaming and an API; workflow: draft a trailer script, polish with ChatGPT, generate, iterate quickly, cut picture to the narration. Licence check on Hugging Face (2026-10-23): fishaudio/s2-pro and the newer fishaudio/drama-3 (2026-10-17) are under a \"fish-audio-research-license\", and s1-mini is CC-BY-NC-SA-4.0 (gated); the fish-speech code repo shows NOASSERTION. So the weights are openly downloadable but not licensed for unrestricted commercial use: \"open-source\" here means open weights under research/non-commercial terms; commercial use goes through Fish Audio's hosted plans/API. Pair with consent rules for cloning (C3-B337-03).\n\nCurator qualifications: Creator-reported: statements attributed to the creator(s) come from discovery's reading of auto-caption transcript excerpts; the curator checked the video metadata (title, date, length) and any cited documentation pages, not the spoken claims. Nothing was tested; promotional or sponsored framing applies where stated. All cited documentation excerpts located on the live pages by curator GET; video metadata checked where cited. Creator claims (ASR); Hugging Face licence fields not re-read by curator in this pass.\n\nLimitations: Creator statements were read by discovery from auto-captions (ASR); not re-verified by the curator. Research-licence terms not read in full; hosted-plan commercial terms not checked.\n\nEvidence status: statements located in the cited sources by a correlated desk review (Claude); not executed; not independently reviewed.","citations":[{"url":"https://www.youtube.com/watch?v=2-X5E3BXpoc","note":"0:00; 0:00; 5:01; cardData.license_name; cardData.license"},{"url":"https://huggingface.co/api/models/fishaudio/s2-pro","note":"0:00; 0:00; 5:01; cardData.license_name; cardData.license"},{"url":"https://huggingface.co/api/models/fishaudio/s1-mini","note":"0:00; 0:00; 5:01; cardData.license_name; cardData.license"}]},"tags":[],"type":"article","links":[],"title":"Is Fish Audio S2 \"open-source\", and what can it do for AI voice-over (emotion tags, cloning)?","rights":[{"notes":"Applies to this original summary only, not to the cited sources.","hosting":"permitted","component":"documentation","license_id":null,"modification":"unknown","evidence_urls":[],"model_training":"unknown","redistribution":"permitted"}],"summary":"Creator-reported: statements attributed to the creator(s) come from discovery's reading of auto-caption transcript excerpts; the curator checked the video metadata (title, date, length) and any cited documentation pages, not the spoken claims. Nothing was tested; promotional or sponsored framing applies where stated. Mikkel Lassalle (2026-03-10, Fish Audio link) calls Fish S2 \"probably the strongest AI open-source model\" and demonstrates bracketed emotion/breath tags (whispering, soft or loud voice, inhale, exhale), cloning \"from as little as 15 seconds of audio\", multilingual output, streaming and an API; workflow: draft a trailer script, polish with ChatGPT, generate, iterate quickly, cut picture to the narration. Licence check on Hugging Face (2026-10-23): fishaudio/s2-pro and the newer fishaudio/drama-3 (2026-10-17) are under a \"fish-audio-research-license\", and s1-mini is CC-BY-NC-SA-4.0 (gated); the fish-speech code repo shows NOASSERTION. So the weights are openly downloadabl...","evidence":{"claims":[{"url":"https://www.youtube.com/watch?v=2-X5E3BXpoc","claim":"Mikkel Lassalle (2026-03-10, Fish Audio link) calls Fish S2 \"probably the strongest AI open-source model\" and demonstrates bracketed emotion/breath tags (whispering, soft or loud voice, inhale, exhale), cloning \"from as little as 15 seconds of audio\", multilingual output, streaming and an API; workflow: draft a trailer script, polish with ChatGPT, generate, iterate quickly, cut picture to the narration. Licence check on Hugging Face (2026-10-23): fishaudio/s2-pro and the newer fishaudio/drama-3 (2026-10-17) are under a \"fish-audio-research-license\", and s1-mini is CC-BY-NC-SA-4.0 (gated); the fish-speech code repo shows NOASSERTION. So the weights are openly downloadable but not licensed for unrestricted commercial use: \"open-source\" here means open weights under research/non-commercial terms; commercial use goes through Fish Audio's hosted plans/API. Pair with consent rules for cloning (C3-B337-03).","locator":"0:00; 0:00; 5:01; cardData.license_name; cardData.license","classification":"sourced_fact"}],"review":"unreviewed","execution":"not_run","inspection":"metadata_checked","execution_record_ids":[]},"language":"en","categories":["T09","T13"],"extensions":{"curation/v1":{"curator":"CURATOR-A-20261021","revision":1,"topic_ids":[],"confidence":"Research-licence terms not read in full; hosted-plan commercial terms not checked.","limitations":["Creator statements were read by discovery from auto-captions (ASR); not re-verified by the curator.","Research-licence terms not read in full; hosted-plan commercial terms not checked.","Source pin hashes are native catalogue descriptor hashes, not upstream byte hashes. 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