Gemini 3.6 Flash vs GPT-6 Astra: Specs & Benchmark Comparison
| Characteristic | Gemini 3.6 Flash | GPT-6 Astra |
|---|---|---|
| Company | OpenAI | |
| Release Date | July 21, 2026 | September 3, 2026 |
| Parameters | — | — |
| Multimodal | Yes | Yes |
| Context (input) | 1.0M | 1.1M |
| Context (output) | 66K | 128K |
| Input Price / 1M | $1.50 | $10.00 |
| Output Price / 1M | $7.50 | $50.00 |
| Average Score | 0.8 | 0.7 |
Verdict
GPT-6 Astra leads in 2 out of 4 comparison categories.
Overall Performance
Both models show comparable average scores: Gemini 3.6 Flash — 0.8, GPT-6 Astra — 0.7.
API Cost
Gemini 3.6 Flash is 6.7x cheaper: input $1.50/1M vs $10.00/1M tokens.
Context Window
GPT-6 Astra supports a larger context: 1M vs 1M tokens.
Recency
GPT-6 Astra is newer: released 9/3/2026 vs 7/21/2026.
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Frequently Asked Questions
Which is better for coding — Gemini 3.6 Flash or GPT-6 Astra?
Direct comparison on the SWE-Bench benchmark is not available. We recommend reviewing other metrics on the comparison page.
Which model is cheaper — Gemini 3.6 Flash or GPT-6 Astra?
Gemini 3.6 Flash is cheaper for input: $1.50 per 1M tokens vs $10.00.
Which has a larger context window — Gemini 3.6 Flash or GPT-6 Astra?
GPT-6 Astra supports a larger context: 1,050,000 tokens vs 1,048,576.
The Gemini 3.6 Flash and GPT-6 Astra comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the Gemini 3.6 Flash or GPT-6 Astra page. See also the complete list of AI model comparisons.