{"id":"gemini-4-carbon","slug":"gemini-4-carbon","name":"Gemini 4 Carbon","orgId":"google","family":"gemini-4-carbon","releaseDate":"2026-10-28","availability":"ga","openWeights":false,"license":"Proprietary","paramsTotal":null,"paramsSource":null,"contextWindow":null,"knowledgeCutoff":null,"modelCardUrl":"https://blog.google/innovation-and-ai/models-and-research/gemini-models/introducing-gemini-4-carbon/","hfRepo":null,"modalities":["text","image"],"aliases":["Gemini 4 Carbon","gemini-4-carbon","google gemini 4 carbon","deepmind gemini 4 carbon","Gemini 4 Carbon (High)","gemini 4 carbon"],"aliasNote":null,"origin":"tracked","tracked":{"trackedSince":"2026-10-28","announced":"2026-10-28","blurb":"Google DeepMind's newest Gemini 4 model, built for long-running agentic engineering work and for cybersecurity defense: finding, validating and patching vulnerabilities. It follows Gemini 4 Argon. For now only a subset of cyber defenders get it, with more vetted partners added through the Fairwind Program; Google says developers, businesses and consumers will get it later. Announced API price: $2 per 1M input tokens and $10 per 1M output tokens at launch.","api":"waitlist","openWeights":"no","facts":[{"label":"Builds on","value":"Gemini 4 Argon (same safety and security stack: model training, real-time misuse defenses, prompt-injection resilience, chain-of-thought monitoring)"},{"label":"Focus","value":"Long-horizon agentic coding and engineering, and the cybersecurity defense cycle (vulnerability detection, validation, remediation)"},{"label":"Access","value":"Rolling out from the week of Oct 28 to a subset of cyber defenders, then phased to more trusted partners through the Fairwind Program (application form); developers, businesses and consumers later, date not given"},{"label":"Pricing","value":"Introductory: $2 per 1M input tokens, $10 per 1M output tokens, cached input 95% off; afterwards $4 and $20 per 1M"},{"label":"API","value":"Not generally available yet; Google says developer access is coming"},{"label":"Weights","value":"None"},{"label":"Pre-release testing","value":"Google says it is taking part in the U.S. government's voluntary pre-release model testing process"}],"claims":["Lab claim: our strongest model, with state-of-the-art cybersecurity and long-horizon capabilities, and #1 on v5.0 of the Artificial Analysis Intelligence Index at 59.","Lab claim: 88.2% on SEC-bench Pro (finding vulnerabilities), 54.8% on ExploitGym (exploitation) and 71.0% on CWE-bench (patching).","Lab claim: +89 Elo over Argon on WebDev Arena, landing at #4 (1769).","Lab claim: successful cheating on Terminal-Bench 4.0 cut to 0.0% (0.4% attempts), and 0.0% attack success on Gray Swan's indirect prompt injection benchmark vs 0.7% for Argon."],"sources":[{"kind":"lab","title":"Google blog: Gemini 4 Carbon (Koray Kavukcuoglu)","url":"https://blog.google/innovation-and-ai/models-and-research/gemini-models/introducing-gemini-4-carbon/","date":"2026-10-28"},{"kind":"lab","title":"Gemini 4 Carbon (Google DeepMind blog)","url":"https://deepmind.google/blog/gemini-4-carbon-our-next-frontier-model/","date":"2026-10-28"},{"kind":"lab","title":"Gemini 4 Carbon model evaluation methodology (Google DeepMind)","url":"https://deepmind.google/models/evals-methodology/gemini-4-carbon"},{"kind":"lab","title":"Fairwind Program (Google DeepMind)","url":"https://deepmind.google/fairwind-program/"},{"kind":"lab","title":"Google on X: Gemini 4 Carbon","url":"https://x.com/Google/status/2115489522603466766","date":"2026-10-28"},{"kind":"lab","title":"Google DeepMind on X: Gemini 4 Carbon","url":"https://x.com/GoogleDeepMind/status/2115489356437651654","date":"2026-10-28"}],"pitch":"its strongest model, built for sustained long-horizon agentic work and cybersecurity defense","firstBenchmark":{"date":"2026-10-29","benchmarkId":"vals-index"}},"listedSince":"2026-10-28","organization":{"id":"google","name":"Google DeepMind","slug":"google","country":null,"url":null,"color":"#4285F4","mark":"G"},"price":null,"answer":{"word":"Too new.","scope":"Too new to call. The crown still needs confirming evidence.","lead":"As of Nov 3, 2026, Gemini 4 Carbon is leading, crown pending confirmation in General LLM (since Nov 3, 2026; sources Vals Index and LMArena Text (style-controlled, overall); methodology v1.0). Too new to call General LLM. A crown change still needs two confirming signals.","confidence":"low"},"status":"BENCHMARKED","verdicts":[{"id":"v_overall_general-llm_gemini-4-carbon_2026-11-03_open_PENDING","model":"gemini-4-carbon","model_name":"Gemini 4 Carbon","category":"general-llm","category_name":"General LLM","slice":"overall","state":"PENDING","rank":1,"present_evidence":[],"missing_evidence":[],"coverage":null,"segments":[],"confirm":[],"margin":0,"confidence":"low","valid_from":"2026-11-03","valid_to":null,"configuration":"high","rationale":"Too new to call General LLM. A crown change still needs two confirming signals.","safeguard_flags":["leading_pending","two_signal_pending"],"co_sota_with":[],"challengers":[],"methodology":"1.0","label":"Leading · crown pending"},{"id":"v_overall_reasoning_gemini-4-carbon_2026-11-03_open_PENDING","model":"gemini-4-carbon","model_name":"Gemini 4 Carbon","category":"reasoning","category_name":"Reasoning","slice":"overall","state":"PENDING","rank":1,"present_evidence":[],"missing_evidence":[],"coverage":null,"segments":[],"confirm":[],"margin":0,"confidence":"low","valid_from":"2026-11-03","valid_to":null,"configuration":null,"rationale":"Too new to call Reasoning. A crown change still needs two confirming signals.","safeguard_flags":["leading_pending","two_signal_pending"],"co_sota_with":[],"challengers":[],"methodology":"1.0","label":"Leading · crown pending"},{"id":"v_overall_coding_gemini-4-carbon_2026-11-03_open_INSUFFICIENT_DATA","model":"gemini-4-carbon","model_name":"Gemini 4 Carbon","category":"coding","category_name":"Coding","slice":"overall","state":"INSUFFICIENT_DATA","rank":null,"present_evidence":[{"benchmark":"lmarena-text-coding","name":"LMArena Text (style-controlled, coding)","rank":1}],"missing_evidence":[{"benchmark":"terminal-bench-4","name":"Terminal-Bench 4.0"},{"benchmark":"swe-bench-pro-hard","name":"SWE-bench Pro V2 HARD"}],"coverage":null,"segments":[],"confirm":[],"margin":null,"confidence":"low","valid_from":"2026-11-03","valid_to":null,"configuration":null,"rationale":"#1 on LMArena Text (style-controlled, coding); missing Terminal-Bench 4.0 and SWE-bench Pro V2 HARD","safeguard_flags":[],"co_sota_with":[],"challengers":[],"methodology":"1.0","label":"Not enough data"},{"id":"v_overall_coding-web-dev_gemini-4-carbon_2026-11-03_open_PENDING","model":"gemini-4-carbon","model_name":"Gemini 4 Carbon","category":"coding-web-dev","category_name":"Coding › Web dev","slice":"overall","state":"PENDING","rank":4,"present_evidence":[],"missing_evidence":[],"coverage":null,"segments":[],"confirm":[],"margin":2.34375,"confidence":"low","valid_from":"2026-11-03","valid_to":null,"configuration":null,"rationale":"Too new to call Coding › Web dev. A crown change still needs two confirming signals.","safeguard_flags":[],"co_sota_with":[],"challengers":[],"methodology":"1.0","label":"Pending · Coding › Web dev"},{"id":"v_overall_long-context_gemini-4-carbon_2026-11-03_open_PENDING","model":"gemini-4-carbon","model_name":"Gemini 4 Carbon","category":"long-context","category_name":"Long context","slice":"overall","state":"PENDING","rank":1,"present_evidence":[],"missing_evidence":[],"coverage":null,"segments":[],"confirm":[],"margin":0,"confidence":"low","valid_from":"2026-11-03","valid_to":null,"configuration":null,"rationale":"Too new to call Long context. A crown change still needs two confirming signals.","safeguard_flags":["leading_pending","two_signal_pending"],"co_sota_with":[],"challengers":[],"methodology":"1.0","label":"Leading · crown pending"},{"id":"v_overall_factuality_gemini-4-carbon_2026-11-03_open_PENDING","model":"gemini-4-carbon","model_name":"Gemini 4 Carbon","category":"factuality","category_name":"Factuality","slice":"overall","state":"PENDING","rank":1,"present_evidence":[],"missing_evidence":[],"coverage":null,"segments":[],"confirm":[],"margin":0,"confidence":"low","valid_from":"2026-11-03","valid_to":null,"configuration":null,"rationale":"Too new to call Factuality. A crown change still needs two confirming signals.","safeguard_flags":["leading_pending","two_signal_pending"],"co_sota_with":[],"challengers":[],"methodology":"1.0","label":"Leading · crown pending"},{"id":"v_overall_legal_gemini-4-carbon_2026-11-03_open_PENDING","model":"gemini-4-carbon","model_name":"Gemini 4 Carbon","category":"legal","category_name":"Legal","slice":"overall","state":"PENDING","rank":1,"present_evidence":[],"missing_evidence":[],"coverage":null,"segments":[],"confirm":[],"margin":null,"confidence":"low","valid_from":"2026-11-03","valid_to":null,"configuration":"high","rationale":"Too new to call Legal. Ranked #1. A crown change still needs two confirming signals. That board does not award a crown.","safeguard_flags":[],"co_sota_with":[],"challengers":[],"methodology":"1.0","label":"Pending · Legal"}]}