{"status":"insufficient_data","category":{"id":"5bbafa99-5fe8-4afa-a695-3c63bc02b656","slug":"open-source-chatbot-builders","label":"Open-source chatbot builders"},"window":{"weeks":4,"from":"2026-08-20T17:00:59.298Z","to":"2026-09-17T17:00:59.298Z","prior_from":"2026-07-23T17:00:59.298Z"},"sample_size":7,"prior_sample_size":91,"independent_sample_size":7,"prior_independent_sample_size":91,"min_sample":20,"engine_samples":{"grok":{"runs":0,"last_run_at":"2026-08-20T07:30:58.176102+00:00"},"gemini":{"runs":0,"last_run_at":"2026-08-20T07:29:52.365256+00:00"},"openai":{"runs":0,"last_run_at":"2026-08-20T07:29:30.037913+00:00"},"anthropic":{"runs":7,"last_run_at":"2026-08-21T06:01:10.619951+00:00"},"perplexity":{"runs":0,"last_run_at":"2026-08-20T07:29:24.773943+00:00"}},"volatility":{"score":null},"integrity":null,"entries":[],"methodology_url":"https://www.orbator.io/ai-index/methodology","license":"Free to use with attribution to orbator.io","editorial":[{"id":"b72183ca-d0d3-4958-b13d-511f48d32b8e","section":"how_to_choose","body_md":"Buyer prompts in this category split between self-hosting for customer support, keeping conversation data on-premise, and replacing hosted bot platforms. The measured answers follow that split. Rasa led best_in_category at 94.4% of 18 runs, recommendation at 72.2% of 18 runs, and alternatives at 88.9% of 9 runs. Botpress led comparison at 55.6% of 9 runs, the prompt that sets developer-facing builders against no-code tools. Docker led problem_solving at 88.9% of 9 runs, the deployment and CRM integration question.\n\nTwo products carry verified pricing facts. Rasa lists a Free Developer Edition: Free, last verified 2026-09-05. Chatwoot lists Startups: $19 a month (free tier available), last verified 2026-09-05. Docker lists Pro: $11 a month, $9 a year (free tier available), last verified 2026-09-05. Match the shortlist to the question you are actually asking, because the leaders change per intent.","window_to":"2026-09-05","review_status":"generated","generated_at":"2026-09-05T16:12:08.437Z"},{"id":"c86ec8b8-2cd9-4907-8fd9-4db929f95ceb","section":"top_products","body_md":"Rasa was recommended in every run of the prompt about the best open-source chatbot builder to self-host for customer support automation, 100% of 9 runs. Across the window it was recommended in 74.6% of 63 sampled answers in the 4-week window to 2026-09-05, with 30 runs recommending it and 17 listing it. Engine spread ran from 100% of Grok's 7 answers down to 50% of ChatGPT's 14 answers. Pricing lists a Free Developer Edition: Free, last verified 2026-09-05.\n\nBotpress was recommended in 100% of the 9 runs on open-source alternatives to expensive hosted chat and bot platforms. Its breakdown shows 19 runs recommending and 20 listing. Claude recommended it in 92.9% of its 14 answers, ChatGPT in 28.6% of its 14 answers.\n\nChatwoot was recommended in 100% of the 9 runs on self-hosting for customer support automation, with 18 runs recommending and 8 listing. Grok and Perplexity both sat at 57.1%, of 7 and 14 answers, and ChatGPT at 14.3% of 14 answers. Startups pricing is $19 a month (free tier available), last verified 2026-09-05.\n\nLibreChat was recommended in 88.9% of the 9 runs on alternatives to hosted platforms, with 12 runs recommending and 12 listing. Claude reached 71.4% of its 14 answers, ChatGPT 7.1% of its 14 answers. Buyers outside the alternatives question saw it less often.\n\nDocker was recommended in 88.9% of the 9 runs on deploying a self-hosted chatbot that integrates with CRM and support tools, a narrow deployment prompt rather than a builder question. Nine runs recommended it, 14 listed it. Grok reached 71.4% of its 7 answers, ChatGPT 21.4% of its 14 answers. Pro pricing is $11 a month, $9 a year (free tier available), last verified 2026-09-05.","window_to":"2026-09-05","review_status":"generated","generated_at":"2026-09-05T16:12:08.440Z"},{"id":"4f9f6409-d799-4348-9a43-1f3cdef49016","section":"engine_disagreement","body_md":"All five engines recommended the same product most among the top five. Rasa led for Claude across its 14 answers, for Gemini across its 14 answers, for Grok across its 7 answers, for ChatGPT across its 14 answers, and for Perplexity across its 14 answers. No engine put a different name at the top of the five.\n\nThe disagreement sits below the leader. Botpress showed the widest gap between engines, recommended in 28.6% of ChatGPT's 14 answers and 92.9% of Claude's 14 answers, a spread of 64.3 points. Rasa itself ranged from 50% of ChatGPT's 14 answers to 100% of Grok's 7 answers. A shortlist built from one engine's answers will look different from one built from another, even with the same product at rank 1.","window_to":"2026-09-05","review_status":"generated","generated_at":"2026-09-05T16:12:08.443Z"},{"id":"84d4b2e4-bdf2-43da-aa83-6f1661f77cfb","section":"what_moved","body_md":"This is the first measured window on record for open-source chatbot builders. It covers 2026-08-08 to 2026-09-05, 28 days, with 63 sampled answers across five engines. There is no prior window to compare against, so no entries, exits or share changes are reported yet.\n\nThe current standings: Rasa leads with a recommendation share of 74.6% of those 63 answers, followed by Botpress at 61.9%, Chatwoot at 41.3%, LibreChat at 38.1% and Docker at 36.5%. Rasa was also the first product recommended in 20 runs, a first-recommendation rate of 42.6%, well ahead of Chatwoot at 19.2% and Docker at 13%. Eighty-two products were ranked in total. The next window will show whether these positions hold.","window_to":"2026-09-05","review_status":"generated","generated_at":"2026-09-05T16:12:08.445Z"}]}