GPT-6 Astra vs Hy3: Specs & Benchmark Comparison

CharacteristicGPT-6 AstraHy3
CompanyOpenAITencent
Release DateSeptember 3, 2026July 6, 2026
Parameters295B
MultimodalYesNo
Context (input)1.1M
Context (output)128K
Input Price / 1M$10.00
Output Price / 1M$50.00
Average Score0.70.6
Benchmarks
BrowseComp0.90.8
GPQA Diamond1.00.9
Humanity's Last Exam (with tools, text-only)0.60.5

Visual Benchmark Comparison

GPT-6 Astra
Hy3
BrowseComp0.9 vs 0.8
0.9
0.8
GPQA Diamond1.0 vs 0.9
1.0
0.9
Humanity's Last Exam (with tools, text-only)0.6 vs 0.5
0.6
0.5

Verdict

GPT-6 Astra leads in 1 out of 2 comparison categories.

Overall Performance

Both models show comparable average scores: GPT-6 Astra — 0.7, Hy3 — 0.6.

Recency

GPT-6 Astra is newer: released 9/3/2026 vs 7/6/2026.

More About These Models

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Frequently Asked Questions

Which is better for coding — GPT-6 Astra or Hy3?
Direct comparison on the SWE-Bench benchmark is not available. We recommend reviewing other metrics on the comparison page.
Which model is cheaper — GPT-6 Astra or Hy3?
API pricing data is available on the individual model pages.
Which has a larger context window — GPT-6 Astra or Hy3?
Context window data is available on the individual model pages.

The GPT-6 Astra and Hy3 comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the GPT-6 Astra or Hy3 page. See also the complete list of AI model comparisons.