{"status":"insufficient_data","category":{"id":"33f30167-94d3-4004-aa10-35703b9933f8","slug":"open-source-project-management","label":"Open-source project management software"},"window":{"weeks":4,"from":"2026-09-06T23:59:59.999Z","to":"2026-10-04T23:59:59.999Z","prior_from":"2026-08-09T23:59:59.999Z"},"measured_through":"2026-10-04","frozen":true,"sample_size":0,"prior_sample_size":63,"independent_sample_size":0,"prior_independent_sample_size":63,"min_sample":20,"engine_samples":{"grok":{"runs":0,"last_run_at":"2026-08-15T07:01:36.576945+00:00"},"gemini":{"runs":0,"last_run_at":"2026-09-05T06:30:59.153365+00:00"},"openai":{"runs":0,"last_run_at":"2026-09-05T06:30:44.536496+00:00"},"anthropic":{"runs":0,"last_run_at":"2026-09-06T06:01:31.985005+00:00"},"perplexity":{"runs":0,"last_run_at":"2026-09-05T06:30:34.988689+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":"22b4c4ec-3f3b-447d-a927-7bfe049a9eff","section":"how_to_choose","body_md":"Buyer prompts in this window split across four intents. In best_in_category, with 27 runs, OpenProject led at 92.6%, ahead of Taiga at 85.2% and Plane at 81.5%. In recommendation, with 18 runs, OpenProject led at 88.9%, with Plane and Taiga both at 50%. In alternatives, with 9 runs, Jira, OpenProject and Taiga each hit 100%. In problem_solving, with 9 runs, OpenProject and Plane both reached 88.9%.\n\nTwo products in the top five carry a verified pricing fact. OpenProject lists Basic: $5.95 a month (free tier available), last verified 2026-09-05. Taiga lists Taiga: Free, last verified 2026-09-05. Jira and Redmine have no pricing fact recorded. If the shortlist question is migration off a cloud tool, the problem_solving figures are the closest match; if it is a remote engineering team, Plane, Taiga and Jira each answered that prompt in 9 of 9 runs.","window_to":"2026-09-05","review_status":"generated","generated_at":"2026-09-05T16:16:31.619Z"},{"id":"b2a8201f-0b85-4548-870a-de25c932c660","section":"top_products","body_md":"OpenProject ranked first with a recommendation share of 92.1% of 63 sampled answers in the 4-week window to 2026-09-05. Its breakdown shows 39 recommended and 19 listed, with 3 in context. Across engines it ran from 100% of Claude's 7 answers, 100% of Grok's 7 answers and 100% of Perplexity's 14 answers down to 78.6% of Gemini's 14 answers. Pricing fact: Basic: $5.95 a month (free tier available), last verified 2026-09-05.\n\nPlane ranked second and over-indexed on the prompt for the best open-source project management tool for a remote engineering team, recommended in 100% of those 9 runs. Overall the split was 33 recommended and 14 listed, plus 11 in context. Engine spread ran from 85.7% of Grok's 7 answers and 85.7% of ChatGPT's 21 answers to 57.1% of Gemini's 14 answers.\n\nTaiga ranked third on the same remote engineering team prompt, at 100% of 9 runs. Its split was 25 recommended and 22 listed, with 7 in context. It reached 85.7% of Grok's 7 answers and fell to 28.6% of Claude's 7 answers. Pricing fact: Taiga: Free, last verified 2026-09-05.\n\nJira ranked fourth, also topping the remote engineering team prompt at 100% of 9 runs, with 20 recommended and 17 listed. It ran from 85.7% of Grok's 7 answers to 42.9% of Gemini's 14 answers and 42.9% of Perplexity's 14 answers.\n\nRedmine ranked fifth and over-indexed on open-source project management alternatives to popular enterprise PM suites, at 100% of 9 runs. Its split was 14 recommended and 18 listed. It reached 78.6% of Perplexity's 14 answers and 19% of ChatGPT's 21 answers.","window_to":"2026-09-05","review_status":"generated","generated_at":"2026-09-05T16:16:31.623Z"},{"id":"e10f576b-28fe-4154-a3b6-6704370e8147","section":"engine_disagreement","body_md":"All five engines recommended the same product most among the top five. OpenProject led for Claude across 7 answers, for Gemini across 14 answers, for Grok across 7 answers, for ChatGPT across 21 answers and for Perplexity across 14 answers. No engine in this window put a different product at the top of that group.\n\nThe widest gap between engines belonged to Redmine. ChatGPT recommended it in 19% of its 21 answers, Perplexity in 78.6% of its 14 answers, a spread of 59.6 points. Taiga also split sharply, at 28.6% of Claude's 7 answers against 85.7% of Grok's 7 answers. Claude and Grok each ran 7 answers in this window, so single-engine shares for those two rest on a small base.","window_to":"2026-09-05","review_status":"generated","generated_at":"2026-09-05T16:16:31.626Z"},{"id":"7ab2909f-25f6-4101-8760-cac479e8e23a","section":"what_moved","body_md":"This is the first measured window on record for the category. It covers 2026-08-08 to 2026-09-05, 28 days, with 63 sampled answers across five engines and 45 ranked products. There is no prior window to compare against, so no entries, exits or share changes are reported here.\n\nOpenProject leads the window at 92.1% of 63 sampled answers, and was first-named in 28 runs, a first-recommendation rate of 48.3%. Plane and Taiga follow, both at 74.6% of 63 sampled answers, with first-recommendation rates of 23.4% and 4.3%. Jira sits at 58.7% and Redmine at 50.8%, on the same 63 answers. Redmine's average position was 6, the lowest of the five. The next window will give the first movement figures for these ranks.","window_to":"2026-09-05","review_status":"generated","generated_at":"2026-09-05T16:16:31.627Z"}]}