Pyyan / Compare / GPT-6 Astra vs Gemini 4 Argon
GPT-6 Astra vs Gemini 4 Argon
2 of 5Language Models · verified 20 Oct 2026
GPT-6 AstraOpenAIcurrentGemini 4 ArgonGooglecurrent
| Specification | GPT-6 Astra | Gemini 4 Argon |
|---|---|---|
| Summary | Saturates three of the benchmarks it reports, and ships disabled for enterprise. | First on one independent board, fifth on another, and cheap until December. |
| Context | 1.05M | 1M |
| Input ($/Mtok) | $10 | $2 |
| Output ($/Mtok) | $50 | $10 |
| Licence | Proprietary | Proprietary |
| Max output | 128K | 262K |
| Parameters | Not published | Not published |
| Released | 3 Sep 2026 | 30 Sep 2026, GA 13 Oct |
| Model ID | gpt-6-astra | gemini-4-argon |
| Category | Language Models | Language Models |
| Official | — | Google ↗ |
Highlighted rows are where these differ.
GPT-6 Astra
- 97.6% on FrontierMath Tier 4, 99.9% on ARC-AGI-3 and 100% on ExploitBench
- Above 272K input tokens the whole request reprices: input and cache at 2x, output at 1.5x
- Rolls out to OpenAI's Daybreak cyber programme first, and arrives switched off for enterprise
Best for hard reasoning and computer use.
Gemini 4 Argon
- The price doubles to $4 and $20 on 1 December, and cached input is discounted 95%
- First of 41 on the Vals Index at 68.90%, but 52.6 on Artificial Analysis against 57.6 for Opus 5.5
- 77.9 on DeepSWE v1.1 in Google's table, and 55.0 on FrontierSWE v2 where GPT-6 Astra scores 65.5
Best for frontier work while the introductory rate lasts.