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Gemini 4 Argon vs GPT-6 Astra
Of the 3 public leaderboards that rate both, Gemini 4 Argon scores higher on 1 and GPT-6 Astra on 2. On the ArtificialWatch Index, which takes the median of each model's percentile across the boards that score it, Gemini 4 Argon is at 86.1 and GPT-6 Astra at 90.2 (out of 100).
Scores as published by each board; table composed October 13, 2026.
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Leaderboard by leaderboard
| Board | Gemini 4 Argon | GPT-6 Astra | Higher |
|---|---|---|---|
| LLM Stats LLM Stats Score · composite (0-100), their rendered top 15 | 55.4 | 58.5 | GPT-6 Astra |
| Vals AI Vals Index accuracy % · weighted finance + coding tasks | 68.9 | 63.1 | Gemini 4 Argon |
| Artificial Analysis intelligence index · measured runs only | 52.6 | 52.7 | GPT-6 Astra |
Raw scores are each board's own scale, so compare within a row, not across rows. Full table: the bench index.
Gemini 4 Argon at a glance
- Developer
- Status
- Live since October 13, 2026
Live — Oct 13 · GA as gemini-4-argon on the Gemini API (Google changelog), also in AI Studio, Vertex AI, the Gemini app and Antigravity · $2 / $10 per 1M through Nov 30, 2026, then $4 / $20 from Dec 1; cached input $0.10, then $0.20 (implicit caching only) · Batch and Flex half price, Priority $3.60 / $18 · not on the Free tier or the Google AI Pro plan · 1,048,576-token context shared by input and output; 65,536 max output by default, up to 1,048,576 with long decode · thinking low / medium / high · knowledge cutoff March 2026 (model card) · Google's own table: ahead of Claude Opus 5.5 on 14 of 18 shared rows, behind on FrontierSWE v2 (55.0 vs 62.3), Terminal-Bench 4.0 (57.4 vs 66.4), PostTrainBench and Terminal-Bench Science · Artificial Analysis Intelligence Index (read Oct 13): 52.6 at high, level with GPT-6 Astra (52.7), behind Opus 5.5 (57.6), Sonnet 5.5 (56.0), Muse Wonder Full (55.8) and Fable 5.1 (53.4) · #1 on the Vals Index (68.9%) · our sweep fired at 15:45 UTC · announced Sep 30 for Fairwind trusted testers first · the newer Gemini 4 checkpoints Business Insider reported Oct 9 (Barium, Carbon) file under the next-Gemini-4 hunt.
Gemini 4 Argon ships at $2 / $10 until December 1, then the price doubles
2026-10-13 · Gemini 4 Argon is generally available. Google's Gemini API changelog lists gemini-4-argon as GA on October 13, "our most capable model built for complex coding, agentic, math, and science tasks", and it is in AI Studio, Vertex AI, the Gemini app and Antigravity. Our sweep fired at 15:45 UTC.
Google is testing a newer Gemini 4 called Carbon inside its coding tool, Business Insider reports
2026-10-09 · Google employees are testing a newer Gemini 4 model internally named Carbon, Business Insider reported at 19:37 UTC today, citing internal documents and screenshots. It was made available in Jetski, Google's internal coding platform, in recent days.
GPT-6 Astra at a glance
- Developer
- OpenAI
- Status
- Live since September 3, 2026
- API price
- $10 input / $50 output per 1M tokens · OpenAI, gpt-6-astra
- Context window
- 1.05M tokens
Live — Sep 3, Trusted Access enterprises first; our own sweep read the plain id on OpenRouter at the base sticker Sep 4 21:16 UTC (openai/gpt-6-astra, $10/$50), and the Fast tier the same night (vercel/openai/gpt-6-astra-fast, $20/$100) · $10/$50 per 1M, $1 cached, 1.05M ctx / 128K out · AA Coding Agent Index 67 (≈ Opus 5, Fable 5), Intelligence Index 61 (= GPT-5.6 Sol, 5 below Fable 5.1) · DevDay Sep 29: an Ultrafast tier (up to 8x faster, ~300 tokens/s in Codex) is in the API and, in ChatGPT Work and Codex, on Pro 500 and Enterprise.
GPT-6 Astra and GPT-6.1 Sol now run about 50% faster on ChatGPT subscriptions
2026-10-05 · GPT-6 Astra and GPT-6.1 Sol now run about 50% faster by default for ChatGPT subscribers, OpenAI's Tibo Sottiaux said today. He puts it at about 50 tokens per second, up from 30.
GPT-6 Astra is out — Fable 5.1's sticker, trusted access first, public API within days
2026-09-03 · OpenAI shipped GPT-6 Astra today. Its own words, from the model documentation: "Our most capable model, built for the hardest end-to-end work" — complex reasoning, coding, computer use, research and document creation.
Gemini 4 Argon vs GPT-6 Astra: quick answers
Which is better, Gemini 4 Argon or GPT-6 Astra?
It depends on what you measure. Of the 3 public leaderboards that rate both, Gemini 4 Argon scores higher on 1 and GPT-6 Astra on 2. Gemini 4 Argon's widest lead is on Vals AI; GPT-6 Astra's widest lead is on LLM Stats. On the ArtificialWatch Index, which takes the median of each model's percentile across the boards that score it, Gemini 4 Argon is at 86.1 and GPT-6 Astra at 90.2 (out of 100).
Which is newer, Gemini 4 Argon or GPT-6 Astra?
Gemini 4 Argon. It went live on October 13, 2026, 40 days after GPT-6 Astra (September 3, 2026).
Who makes Gemini 4 Argon and GPT-6 Astra?
Gemini 4 Argon is from Google; GPT-6 Astra is from OpenAI.
Where do these numbers come from?
Each score is the leaderboard's own published figure, read by ArtificialWatch (table composed October 13, 2026). Boards measure different things, so raw scores are only comparable within a row.
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