AI coding agents / entity
Google Antigravity
Google’s agent-first development platform and Antigravity CLI, successor to Gemini CLI for individuals.
Proven Execution
0.323
Validated Direction
0.532
Uncertainty X
0.333
Uncertainty Y
0.293
Evidence mass
1.292
Region
OPERATIONAL
Quadrant distribution
Jev `choice` — not a hard 0.5 cut. Confidence 0.30.
- Operational47.0%
- Directed32.0%
- Anchored16.0%
- Forming5.0%
Evidence ledger
Recency half-life 180 days. Weight = 2^(-age/180).
announcement · published 2026-05-19 · w=0.609
Transitioning Gemini CLI to Antigravity CLIGoogle announced Antigravity as its premier agent-first development platform and Antigravity CLI as the new terminal experience, keeping Agent Skills, Hooks, Subagents, and plugins. Individual Gemini CLI / Code Assist serving was scheduled to stop on 18 June 2026; enterprise licenses remain supported.
announcement · published 2026-06-18 · w=0.683
Gemini CLI stops serving individual accountsOn 18 June 2026 Google confirmed Gemini CLI stopped serving Google AI Pro, Ultra, and free individual accounts, and published Antigravity CLI install commands that migrate local Gemini CLI skills, MCP servers, agents, and gemini.md files.
Reproducibility
{
"model": "jev-latest",
"state": {
"goal": "Score this entity on the Jev Quadrant rubric using only the supplied evidence.",
"framework": "jev-quadrant-v1",
"topic": {
"id": "ai-coding-agents",
"title": "AI coding agents",
"x_axis": "Proven Execution",
"y_axis": "Validated Direction"
},
"entity": {
"id": "antigravity",
"name": "Google Antigravity",
"website": "https://developers.googleblog.com/en/an-important-update-transitioning-gemini-cli-to-antigravity-cli/",
"description": "Google’s agent-first development platform and Antigravity CLI, successor to Gemini CLI for individuals."
},
"evidence": [
{
"id": "antigravity-transition",
"kind": "announcement",
"url": "https://developers.googleblog.com/en/an-important-update-transitioning-gemini-cli-to-antigravity-cli/",
"date": "2026-05-19",
"date_kind": "published",
"recency_weight": 0.6085,
"summary": "Google announced Antigravity as its premier agent-first development platform and Antigravity CLI as the new terminal experience, keeping Agent Skills, Hooks, Subagents, and plugins. Individual Gemini CLI / Code Assist serving was scheduled to stop on 18 June 2026; enterprise licenses remain supported.",
"title": "Transitioning Gemini CLI to Antigravity CLI"
},
{
"id": "antigravity-cutoff",
"kind": "announcement",
"url": "https://github.com/google-gemini/gemini-cli/discussions/28017",
"date": "2026-06-18",
"date_kind": "published",
"recency_weight": 0.683,
"summary": "On 18 June 2026 Google confirmed Gemini CLI stopped serving Google AI Pro, Ultra, and free individual accounts, and published Antigravity CLI install commands that migrate local Gemini CLI skills, MCP servers, agents, and gemini.md files.",
"title": "Gemini CLI stops serving individual accounts"
}
],
"claims": [],
"independent_checks": [],
"recency": {
"half_life_days": 180,
"as_of": "2026-09-25",
"mass": 1.2915
}
},
"questions": {
"exec_shipped": {
"type": "noul",
"instructions": "Use only the supplied state. Do not use prior knowledge that is not represented as evidence items. If evidence is thin, return a probability near 0.5 with the understanding that uncertainty is handled separately. Has this entity shipped a generally available product used by third parties?",
"criteria": {
"true": "Independent public evidence shows a generally available product used by third parties.",
"false": "The product is announced, preview-only, or evidenced only by unsourced vendor marketing with no third-party use."
}
},
"exec_adoption": {
"type": "noul",
"instructions": "Use only the supplied state. Do not use prior knowledge that is not represented as evidence items. If evidence is thin, return a probability near 0.5 with the understanding that uncertainty is handled separately. Is there credible adoption evidence?",
"criteria": {
"true": "Credible adoption evidence exists: named customers, published user or download counts, case studies, or equivalent.",
"false": "Adoption claims are absent, purely anecdotal, or unsourced."
}
},
"exec_reliability": {
"type": "noul",
"instructions": "Use only the supplied state. Do not use prior knowledge that is not represented as evidence items. If evidence is thin, return a probability near 0.5 with the understanding that uncertainty is handled separately. Is there evidence of reliability, quality, security/compliance, or operational maturity?",
"criteria": {
"true": "Evidence of reliability, quality, security/compliance, or operational maturity (uptime, incidents handled, certifications, long-running open-source project).",
"false": "No reliability or quality evidence is present."
}
},
"exec_cadence": {
"type": "noul",
"instructions": "Use only the supplied state. Do not use prior knowledge that is not represented as evidence items. If evidence is thin, return a probability near 0.5 with the understanding that uncertainty is handled separately. Is there evidence of continued delivery after launch?",
"criteria": {
"true": "Evidence of continued delivery after launch (dated releases, changelog, subsequent features).",
"false": "Delivery appears one-shot or stalled."
}
},
"dir_strategy": {
"type": "noul",
"instructions": "Use only the supplied state. Do not use prior knowledge that is not represented as evidence items. If evidence is thin, return a probability near 0.5 with the understanding that uncertainty is handled separately. Is there a specific, consistent, dated public strategy or roadmap?",
"criteria": {
"true": "A public strategy or roadmap is specific, consistent, and dated.",
"false": "Direction is vague, contradictory, or only implied."
}
},
"dir_backed": {
"type": "noul",
"instructions": "Use only the supplied state. Do not use prior knowledge that is not represented as evidence items. If evidence is thin, return a probability near 0.5 with the understanding that uncertainty is handled separately. Are strategy or roadmap claims backed by shipped artifacts in the evidence pack?",
"criteria": {
"true": "Roadmap or strategy claims are backed by shipped artifacts in the evidence pack.",
"false": "Direction is promised without corresponding delivery evidence."
}
},
"dir_distinct": {
"type": "noul",
"instructions": "Use only the supplied state. Do not use prior knowledge that is not represented as evidence items. If evidence is thin, return a probability near 0.5 with the understanding that uncertainty is handled separately. Is the evidenced direction distinct from generic category copy?",
"criteria": {
"true": "The evidenced direction is distinct from generic category copy.",
"false": "Positioning is interchangeable with peers."
}
},
"dir_invested": {
"type": "noul",
"instructions": "Use only the supplied state. Do not use prior knowledge that is not represented as evidence items. If evidence is thin, return a probability near 0.5 with the understanding that uncertainty is handled separately. Is there evidence of sustained investment in this product?",
"criteria": {
"true": "Evidence of sustained investment (funding used for the product, research, open-source velocity, or platform expansion).",
"false": "No evidence of continued investment."
}
},
"quadrant": {
"type": "choice",
"instructions": "Use only the supplied state. Do not use prior knowledge that is not represented as evidence items. If evidence is thin, return a probability near 0.5 with the understanding that uncertainty is handled separately. Assign the entity to one Jev Quadrant cell. Do not use a hard 0.5 cut. Weigh the full evidence pack.",
"criteria": {
"ANCHORED": "Both delivery (proven execution) and evidenced direction (validated direction) are strong.",
"DIRECTED": "Validated direction is better evidenced than proven execution.",
"OPERATIONAL": "Proven execution is better evidenced than validated direction.",
"FORMING": "Both axes are thin, early, or contradicted."
}
}
}
}Challenges
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