GPT-6 Astra vs Hy3
API pricing, context window and capabilities for GPT-6 Astra and Hy3, side by side. Prices are the cheapest listed serving route per 1M tokens, from LiteLLM and OpenRouter.
Verdict
computed from the published numbersGPT-6 Astra wins on Terminal-Bench, on intelligence and on context window. Hy3 wins on price.
Price
Hy3
Terminal-Bench
GPT-6 Astra
Intelligence
GPT-6 Astra
Context window
GPT-6 Astra
Key takeaways
who wins on what, from the published numbersGPT-6 Astra wins
- Larger context window (1.1M vs 262K)
- Supports vision
Hy3 wins
- Cheaper input ($10.00 vs $0.132 /1M)
- Cheaper output ($50.00 vs $0.528 /1M)
- Higher max output (128K vs 262K)
Cheaper overall
Hy3
$0.132 + $0.528 /1M
Larger context
GPT-6 Astra
1.1M
More providers
Tied
Pricing & specs
cheapest listed route · per 1M tokensOn-demand listed rates, OpenRouter routed quotes and Vercel reseller quotes. Enterprise commitments can be materially lower. An OpenRouter routed quote is the price of whichever upstream provider OpenRouter prefers today, so it moves day to day.
| GPT-6 Astra | Hy3 | |
|---|---|---|
| Input $/1M | $10.00via OpenAI | $0.132OpenRouter routed quote best |
| Output $/1M | $50.00via OpenAI | $0.528OpenRouter routed quote best |
| Context window | 1.1M best | 262K |
| Max output | 128K | 262K best |
| Serving providers | 5 | 5 |
| Date | Released Sep 4, 2026 | Released Jul 6, 2026 |
Benchmarks
Benchmark scores, side by side| GPT-6 Astra | Hy3 | |
|---|---|---|
| Intelligence | 52.7 best | 25.3 |
| Terminal-Bench | 88% best | 64% |
| GPQA Diamond | 96% best | 90% |
| Output speed | 61 t/s | 86 t/s best |
| Latency (TTFT) | 280.05s | 2.81s best |
Cost calculator
choose a serving route for each sideInput tokens / month
Output tokens / month
GPT-6 Astra
via OpenAI
$100
Hy3
via OpenRouter
$1.19
Capabilities
feature support, side by side| Feature | GPT-6 Astra | Hy3 |
|---|---|---|
| Vision | ✓ | — |
| Tool use | ✓ | ✓ |
| Reasoning | ✓ | ✓ |
| Audio | — | — |
| Prompt caching | ✓ | ✓ |
| Structured output | ✓ | ✓ |
| Web search | ✓ | ✓ |
Related comparisons
Frequently asked questions
Which is cheaper, GPT-6 Astra or Hy3?
Hy3 is cheaper for input ($10.00 vs $0.132 per 1M tokens) as an OpenRouter routed quote. Hy3 is cheaper for output ($50.00 vs $0.528 per 1M tokens) as an OpenRouter routed quote.
What is the context window difference between GPT-6 Astra and Hy3?
GPT-6 Astra has a 1.1M-token context window and Hy3 has 262K tokens, so GPT-6 Astra can take a larger prompt.
How do GPT-6 Astra and Hy3 compare on benchmarks?
On the tracked benchmarks, GPT-6 Astra leads on Terminal-Bench, and GPT-6 Astra leads on intelligence.
Listed prices from LiteLLM, OpenRouter and Vercel · last checked Oct 14, 2026
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