Research report 09 / Developer cadence

Model Release Velocity

Release frequency, developer share, model availability, and cadence from verified model launches.

Archived snapshotv17Sep 1, 2026
Verified releases
43

43 total model launches

Developers
30

Named release organizations

Most active
OpenAI

6 releases

Open share
33%

Disclosed open availability/license

Interactive figureRelease velocity
CSV JSON
Data status43 verified records across 7 periods

Each bar is one month. Colored segments show how verified observations are distributed across series.

Verified observationHover or focus any mark for exact valuesLast updated Sep 1, 2026

Version ledger

Frozen public editions

Each edition preserves the records, method, sources, and downloads available at publication time.

  1. v89 / latestNov 12, 2026280 records / 40 sources

    +8 records; updated Verified releases, Developers. The frozen snapshot contains 280 records.

  2. v88Nov 11, 2026272 records / 40 sources

    +5 records; updated Verified releases, Developers, Open share. The frozen snapshot contains 272 records.

  3. v87Nov 10, 2026267 records / 40 sources

    +7 records; updated Verified releases, Developers, Open share. The frozen snapshot contains 267 records.

  4. v86Nov 9, 2026260 records / 40 sources

    Source-backed fields changed; the frozen snapshot contains 260 records.

  5. v85Nov 8, 2026260 records / 40 sources

    +2 records; updated Verified releases, Developers, Open share. The frozen snapshot contains 260 records.

  6. v84Nov 7, 2026258 records / 40 sources

    +7 records; updated Verified releases, Developers. The frozen snapshot contains 258 records.

  7. v83Nov 6, 2026251 records / 40 sources

    +6 records; updated Verified releases, Developers. The frozen snapshot contains 251 records.

  8. v82Nov 5, 2026245 records / 40 sources

    +4 records; updated Verified releases, Developers, Open share. The frozen snapshot contains 245 records.

  9. v81Nov 4, 2026241 records / 40 sources

    +2 records; updated Verified releases, Developers, Open share. The frozen snapshot contains 241 records.

  10. v80Nov 3, 2026239 records / 40 sources

    +4 records; updated Verified releases, Developers. The frozen snapshot contains 239 records.

  11. v79Nov 2, 2026235 records / 40 sources

    Source-backed fields changed; the frozen snapshot contains 235 records.

  12. v78Nov 1, 2026235 records / 40 sources

    +1 records; updated Verified releases. The frozen snapshot contains 235 records.

  13. v77Oct 31, 2026234 records / 40 sources

    updated Developers, Open share. The frozen snapshot contains 234 records.

  14. v76Oct 30, 2026234 records / 40 sources

    +9 records; updated Verified releases, Developers. The frozen snapshot contains 234 records.

  15. v75Oct 29, 2026225 records / 40 sources

    +6 records; updated Verified releases, Developers. The frozen snapshot contains 225 records.

  16. v74Oct 28, 2026219 records / 40 sources

    +3 records; updated Verified releases, Developers. The frozen snapshot contains 219 records.

  17. v73Oct 27, 2026216 records / 40 sources

    +1 records; updated Verified releases. The frozen snapshot contains 216 records.

  18. v72Oct 26, 2026215 records / 40 sources

    +1 records; updated Verified releases. The frozen snapshot contains 215 records.

  19. v71Oct 25, 2026214 records / 40 sources

    +2 records; updated Verified releases, Developers. The frozen snapshot contains 214 records.

  20. v70Oct 24, 2026212 records / 40 sources

    +5 records; updated Verified releases, Developers, Open share. The frozen snapshot contains 212 records.

  21. v69Oct 23, 2026207 records / 40 sources

    +4 records; updated Verified releases, Developers. The frozen snapshot contains 207 records.

  22. v68Oct 22, 2026203 records / 40 sources

    +6 records; updated Verified releases, Developers. The frozen snapshot contains 203 records.

  23. v67Oct 21, 2026197 records / 40 sources

    +4 records; updated Verified releases, Developers, Open share. The frozen snapshot contains 197 records.

  24. v66Oct 20, 2026193 records / 40 sources

    +7 records; updated Verified releases, Developers. The frozen snapshot contains 193 records.

  25. v65Oct 19, 2026186 records / 40 sources

    Source-backed fields changed; the frozen snapshot contains 186 records.

  26. v64Oct 18, 2026186 records / 40 sources

    +1 records; updated Verified releases. The frozen snapshot contains 186 records.

  27. v63Oct 17, 2026185 records / 40 sources

    +2 records; updated Verified releases, Developers. The frozen snapshot contains 185 records.

  28. v62Oct 16, 2026183 records / 40 sources

    +11 records; updated Verified releases, Developers. The frozen snapshot contains 183 records.

  29. v61Oct 15, 2026172 records / 40 sources

    +4 records; updated Verified releases, Developers, Open share. The frozen snapshot contains 172 records.

  30. v60Oct 14, 2026168 records / 40 sources

    +1 records; updated Verified releases, Open share. The frozen snapshot contains 168 records.

Coverage note

Release counts reflect the monitored source set and verified records, not every model published globally.

Dataset ID
spd:release-velocity
Stable URL
/research/release-velocity
Version
v17
Coverage
2024-10/2026-08-31
Records
43
Fields
6
Updated

Read the data

The records behind the figure

CSV JSON
Model Release Velocity data records
DateModelDeveloperRelease typeAvailabilityLicense
2024-10-07Inflection 3.0Inflection AIcommercial API and enterprise AI systemCommercial API available to developers; enterprise deployment on-premises, in the cloud, or hybrid—
2025-08-22GPT-4b microOpenAIexperimental researchdeveloped for research purposes; not broadly available—
2025-12-11GPT-5.2OpenAIAPI and ChatGPT (model variants: GPT-5.2 Instant, GPT-5.2 Thinking, GPT-5.2 Pro)In ChatGPT: GPT-5.2 Instant, Thinking, and Pro begin rolling out today to paid plans; In the API: available now to all developers.—
2025-12-16GPT Image 1.5OpenAIAPI and ChatGPT rolloutModel rolling out in ChatGPT for all users and available in the API as GPT Image 1.5; the new Images experience is rolling out to most ChatGPT users, with Business and Enterprise access coming later; global.—
2026-04-07Claude Mythos PreviewAnthropicPreviewrestricted access (restricted-access rollout)—
2026-04-28Laguna XS.2Poolsideopen weightsPreview; Hugging Face, Poolside API, and OpenRouterApache 2.0
2026-06-09Claude Fable 5AnthropicPublic release (Mythos-class); available via API and EnterprisePublicly accessible via API and Enterprise; included in subscription plans through 2026-06-22 after which access requires purchase of usage credits; some sensitive-topic access restricted and Mythos 5 limited to vetted Project Glasswing participants—
2026-06-30Claude Sonnet 5Anthropicgeneral availability and APIAll Claude plans and Claude API—
2026-07-02Laguna XS 2.1Poolsideopen weightsPoolside API, OpenRouter, Hugging Face weights, and local deploymentOpenMDW-1.1
2026-07-08GPT-LiveOpenAIvoice model (full-duplex)Rolling out to ChatGPT users globally (ChatGPT Voice); API availability planned/coming soon. (Update 2026-07-31: SynthID watermarking and API verification access added for supported audio.)—
2026-07-09GPT-5.6 (Sol, Terra, Luna)OpenAIgeneral availabilityGeneral availability following a limited preview—
2026-07-16Kimi K3Moonshotopen-weights release (weights published for public download)Weights published for anyone to download; model can be run locally on user hardwareLicense requires companies operating a model-as-a-service business with > $20M total annual revenue (over 12 months) to enter a separate agreement with Moonshot before commercial use.
2026-07-24Claude Opus 5Anthropicgeneral availabilityAvailable immediately; default on Claude Max and strongest model on Claude Pro—
2026-07-31MiniMax H3MiniMaxAPI and open weightsHosted API globally; downloadable weights restricted to the license's applicable territoriesMiniMax H3 Community License Agreement
2026-08-10Muse GlimmerMetaopen weightsConsumer hardware with 24 GB or 32 GB of memoryApache 2.0
2026-08-10Muse GlimmerMeta Platformsopen weightsDevelopers can download and modify the model—
2026-08-11Nemotron 3.5 LightningNvidiaopen weights (public release)Available through Nvidia and model repositories including Hugging Face and ModelScope; NeMo Switchyard available on GitHubOpenMDW-1.1
2026-08-12Qwen3.8-27B-CRACK-GGUFJinho Jang (dealign.ai)Open weights; GGUF quantizations packaged for local inference via llama.cppHugging Face repository; downloadable GGUF files and a 0.9 GB vision projector for local use—
2026-08-13GLM-5.3Z.aiAPITogether AI serverless and dedicated infrastructure—
2026-08-13Gemini 3.7 FlashGoogleAPI and product availabilityAvailable via Google AI Studio, Android Studio, Google Antigravity, Gemini Enterprise Agent Platform, the Gemini Enterprise app, and Gemini Spark for Google AI Pro and Ultra subscribers in supported countries.—
2026-08-16GLM-5.3Zhipu (Z.ai)———
2026-08-18GPT-5.6 SolOpenAIAPILimited release to a small group of customers; wider access planned later—
2026-08-19Ornith-1.5Ornith AIopen weightsHugging Face collection; local deployment and quantized mobile version described—
2026-08-21deepseek-v4-flash-vision-expDeepSeekexperimental API modelAvailable through Chat Completions, Messages, and Responses requests—
2026-08-21V4-Flash-Vision-ExpDeepSeekexperimental API modelDeepSeek API—
2026-08-21Falcon 2Murf AIproprietary foundation voice model——
2026-08-24Thomson-1.0-LargeThomson Reutersproprietary model launch——
2026-08-24ThomsonThomson Reutersenterprise launch; open-weight version plannedInitially available in CoCounsel Legal’s Tabular Analysis feature; smaller version planned for Hugging FaceNon-commercial license for the planned smaller open-weight version
2026-08-24HiDream-O1-WorldHiDream.aimodel launch——
2026-08-24GEN-1.5Generalist AIresearch releaseAvailable through direct partnerships on Generalist AI's own robot fleet; no public weights, API, or self-serve product—
2026-08-26Granite 4.2IBMopen weightsHugging Face, Ollama, GitHub, and other platformsApache 2.0
2026-08-26Qwen3.8-FlashAlibabaAPIAPI access—
2026-08-26Qwen3.8-Flash-NextAlibaba Qwen teamarchitecture preview; open weights; production APIWeights on Hugging Face and ModelScope; production Qwen3.8-Flash through QwenCloud; API expected shortly—
2026-08-26Grok 4.6xAIpublic previewMicrosoft Foundry for Azure customers—
2026-08-26Qwen3.8-FlashAlibaba QwenAPIQwenCloud managed API—
2026-08-27GLM-5.3-FlashZhipu AIopen-sourceOfficially released; deployable on domestically produced AI chipsMIT
2026-08-27Gemini 3.5 TranscribeGoogleAPIPublic preview—
2026-08-27GLM-5.3-FlashZ.aiAPI and open weightsZ.ai API; weights available on Hugging FaceMIT
2026-08-27leiolai-1Leiolaiconsumer app and developer APIConsumer app and developer API—
2026-08-28ABot-ReconAMAP CV Labopen-source releaseInference code, model checkpoint, and evaluation code released; weights limited to noncommercial research and educationApache 2.0 for source code; CC BY-NC 4.0 for model weights
2026-08-28Sahara v2.5Intronmodel update——
2026-08-31Isaac 0.5Perceptron AIopen weightsModel weights available through Hugging Face; fine-tuning and inference code available through GitHub—
2026-08-31GigaPath-Flash and GigaTIME-FlashMicrosoft Researchopen weights; research releaseHugging FaceApache 2.0

Measurement technique

How to read this report

  1. 01Each verified model-launch record contributes one release observation.
  2. 02Developer names are normalized during extraction; series preserve currently disclosed attribution.
  3. 03Release volume measures activity, not capability or adoption.

Sources

Evidence

26 publishers supporting 40 records. Expand a publisher to inspect its cited pages.

the-decoder.comthe-decoder.com5 sources / 5 records
Ars Technicaarstechnica.com3 sources / 3 records
marktechpost.commarktechpost.com3 sources / 3 records
openai.comopenai.com3 sources / 3 records
blog.googleblog.google2 sources / 2 records
campustechnology.comcampustechnology.com2 sources / 2 records
Show 20 more publishers
siliconangle.comsiliconangle.com2 sources / 2 records
x.aix.ai2 sources / 2 records
aithority.comaithority.com1 source / 1 record
autoclaw.z.aiautoclaw.z.ai1 source / 1 record
CNBCcnbc.com1 source / 1 record
cnet.comcnet.com1 source / 1 record
cryptobriefing.comcryptobriefing.com1 source / 1 record
deccanchronicle.comdeccanchronicle.com1 source / 1 record
economictimes.comeconomictimes.com1 source / 1 record
fool.comfool.com1 source / 1 record
globaltimes.cnglobaltimes.cn1 source / 1 record
invezz.cominvezz.com1 source / 1 record
itbrief.newsitbrief.news1 source / 1 record
microsoft.commicrosoft.com1 source / 1 record
readthepeak.comreadthepeak.com1 source / 1 record
stocktitan.netstocktitan.net1 source / 1 record
theaiinsider.techtheaiinsider.tech1 source / 1 record
thelogic.cothelogic.co1 source / 1 record
vir.com.vnvir.com.vn1 source / 1 record
yahoo.comyahoo.com1 source / 1 record
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