Gemini 4 Carbon Launch: Top Rankings and Leaks

Episode 1 · Google Launches Gemini 4 Carbon, Topping Artificial Analysis Index (2026-10-29, 123 posts)

Google released its new frontier model Gemini 4 Carbon on October 29, only about two weeks after Gemini 4 Argon. Both official announcements and third-party evaluations show the model topping the Artificial Analysis Intelligence Index v5.0 with a score of 59, ahead of Claude Opus 5.5 (58) and GPT-6 Astra (57), putting Google back at No. 1 on the leaderboard.

Confirmed

• Official announcements (GoogleAI, Sundar Pichai, Logan Kilpatrick) confirm Gemini 4 Carbon is Google's strongest frontier model, focused on state-of-the-art cybersecurity and long-horizon task capabilities, improving over its predecessor on most benchmarks, with standout autonomous coding and cyber defense performance
• DeepMind added that Carbon can work on complex tasks for days without stalling or taking shortcuts, delivering high-quality, reliable code; safety guardrails will be iterated based on feedback from the first cohort of cyber defenders before access is broadened
• Artificial Analysis first evaluation: Intelligence Index v5 score of 59 takes the top spot; Coding Agent Index of 59, second only to the Claude Opus series
• Per AA data relayed by Yuchen Jin, Carbon is both stronger and cheaper than Opus 5.5 on agentic tasks (index roughly 59.4 vs 58.4, with lower cost per task)
• Logan Kilpatrick confirmed the model is first available to cyber defenders, with efforts underway to bring it to broader users soon; Reddit users noted there is no public API yet; Prompt Engineering reported pricing is unchanged
• DeepMind CEO Demis Hassabis amplified the launch, calling the model SOTA on key benchmarks and iterating at "lightning speed"; Elon Musk responded that he was impressed

Why it matters

• Releasing two frontier models, Argon and Carbon, within two months shows Google has markedly accelerated its iteration cadence, with many commenters describing the comeback as "Google is BACK"
• Setting SOTA in two high-stakes, high-value areas—cybersecurity and long-horizon autonomous tasks—while opening first to cyber defenders reflects a strategy balancing capability releases with safety guardrails
• Overtaking Claude Opus 5.5 and GPT-6 Astra in head-to-head benchmarks to top the leaderboard may reshape the current frontier model competitive landscape

• DeepMind: Gemini 4 Carbon works days-long tasks without shortcuts — GoogleDeepMind · 2026-10-29
• LoganK: Gemini 4 Carbon is a big jump over Argon, with better coding usability and alignment — legit_api · 2026-10-29
• Hassabis hypes Gemini 4 Carbon as SOTA across key benchmarks — demishassabis · 2026-10-29
• Demis Hassabis announces Gemini 4 Carbon: SOTA across key benchmarks — demishassabis · 2026-10-29
• Google launches Gemini 4 Carbon two weeks after Argon, tops AA Index at 59 and SEC-bench Pro at 88.2% — rseroter · 2026-10-29
• Google rolls out Gemini 4 Carbon to cyber defenders first, wider access coming — OfficialLoganK · 2026-10-29
• Google unveils Gemini 4 Carbon, claims SOTA in cybersecurity and long-horizon tasks — GoogleAI · 2026-10-29
• Google shares Gemini 4 Carbon blog and full benchmark table — GoogleAI · 2026-10-29
• Google DeepMind unveils Gemini 4 Carbon, SOTA on cybersecurity and long-horizon tasks — rseroter · 2026-10-29
• Google Unveils Gemini 4 Carbon Preview: SOTA Long-Horizon Coding, #1 on AA Intelligence Index v5.0 — koraykv · 2026-10-29
• Google: Gemini 4 Carbon ranks #1 on Artificial Analysis Index v5.0 — GeminiApp · 2026-10-29
• Gemini 4 Carbon benchmark chart shared amid Google's new release — osanseviero · 2026-10-29
• Hugging Face researcher teases upcoming rollout of Gemini 4 Carbon — osanseviero · 2026-10-29
• Unverified Gemini 4 Carbon eval sheet claims wins on 14 of 18 benchmarks vs Claude and GPT — Angaisb_ · 2026-10-29
• Google Announces Gemini 4 Carbon, Its Next Frontier Model — patloeber · 2026-10-29
• Reddit reposts Gemini 4 Carbon announcement with benchmark table — Marimo188 · 2026-10-29
• Gemini 4 Carbon Keeps $2/$10 Pricing, Scores 59 on AA v5.0 — _philschmid · 2026-10-29
• Gemini 4 Carbon tops AA Index v5, beats Opus 5.5 and GPT-6 Astra on most benchmarks — Yuchenj_UW · 2026-10-29
• Google ships Gemini 4 Carbon two weeks after Argon, claims SOTA on cyber and coding — tulseedoshi · 2026-10-29
• 'Gemini 4 Carbon' Sweep X Claiming to Beat 'Opus 5.5' — Likely an AI-Circle Prank — YashasGunderia · 2026-10-29

103 more related posts →

Episode 2 · Vals AI Index: Claude Sonnet 5.5 Tops Rankings, Gemini 4 Carbon Second (2026-10-29, 3 posts)

Vals AI's GDP-weighted Index v2.2 ranks Claude Sonnet 5.5 first at 70.85%, with Gemini 4 Carbon debuting second at 70.36% and leading in finance and law. GPT-6.1 Sol stands out on cost efficiency.

• Vals Index leaderboard: Claude Sonnet 5.5 tops at 70.85%, Gemini 4 Carbon close behind — teortaxesTex · 2026-10-29
• Vals Index GDP-weighted chart: Sonnet 5.5 tops accuracy, GPT-6.1 Sol leads the efficiency frontier — allenainie · 2026-10-29
• Gemini 4 Carbon debuts #2 on Vals Index at half the cost, tops finance and legal benchmarks — zacharynado · 2026-10-29

Episode 3 · Unreleased Gemini 4 Carbon Benchmarks Leak Ahead of Launch (2026-10-29, 3 posts)

Benchmarks for Google's unreleased Gemini 4 Carbon have leaked, showing maxed-out scores and an Arena appearance where it beat Opus 5.5 on 3D tasks, prompting Zvi to revise his view that Gemini 4 Argon was no longer frontier.

• Gemini 4 Carbon benchmarks prompt TheZvi to declare Gemini 4 Argon 'was' near-frontier — TheZvi · 2026-10-29
• Unverified: Gemini 4 Carbon appears on Arena, beats Opus 5.5 at 3D — ColbyHawker · 2026-10-29
• Leaked Gemini 4 Carbon benchmark vs Opus 5.5 surfaces — but you still can't use it — adonis_singh · 2026-10-30

Episode 4 · Rumor: Next-Gen Models Ready, Labs Wait for Rivals to Move (2026-10-29, 2 posts)

Prominent leaker iruletheworldmo claims the next model after Gemini Carbon is ready and timed against OpenAI and Anthropic releases, adding that both rivals hold significantly stronger unreleased models, suggesting the frontier race is still accelerating.

• Leaker says next model after Carbon is ready, waiting on OpenAI and Anthropic — iruletheworldmo · 2026-10-29
• Rumor: OpenAI and Anthropic have bigger model jumps ready to launch — iruletheworldmo · 2026-10-29