GPT-6 Astra API
OpenAI's September 2026 flagship. Its recurrent-depth reasoning core drives native computer and browser use, with a 1M context window and the first Critical-rated cyber capability score OpenAI has published. Cached input is $1.00/1M, batch and flex tiers are half price.
💰 Save up to 70% vs official OpenAI pricingGPT-6 Astra — cheaper than the official OpenAI API
Access GPT-6 Astra through AI API Hub and pay less per token. Same OpenAI-compatible endpoint, lower cost.
Technical Specifications
| Provider | OpenAI |
| Model Family | GPT-6 Astra |
| Release Date | 2026-09 |
| Context Window | 1M |
| Max Output Tokens | 131,072 |
| Input Price | $10.00 / 1M tokens |
| Output Price | $50.00 / 1M tokens |
| Vision Support | Yes ✓ |
| Function Calling | Yes ✓ |
| JSON Mode | No |
| Streaming | Yes ✓ |
| Fine Tuning | Not Available |
| Status | Active ✓ |
Overview
GPT-6 Astra is OpenAI's current gpt6 model, released in 2026-09. OpenAI's September 2026 flagship. Its recurrent-depth reasoning core drives native computer and browser use, with a 1M context window and the first Critical-rated cyber capability score OpenAI has published. Cached input is $1.00/1M, batch and flex tiers are half price.
For developers, the headline numbers are a 1M context window and up to 131,072 output tokens per response — enough headroom for frontier reasoning and native computer & browser use without chunking your input. Priced at $10.00/1M input and $50.00/1M output, it sits in the premium tier — best reserved for tasks where quality justifies the spend.
On the capability side, GPT-6 Astra exposes 5 features: Vision, Function Calling, Computer Use, Agentic Coding, Streaming. Note that fine-tuning isn't supported — you'll work with the base model. Vision support means you can pass images alongside text, handy for document parsing or UI automation.
The practical appeal of routing GPT-6 Astra through AI API Hub is simplicity: one OpenAI-compatible endpoint, USDT & USDC payments, no credit card, and you're calling the API in under 30 seconds — just swap your base URL.
What Makes GPT-6 Astra Different
How GPT-6 Astra is used
GPT-6 Astra is used for agentic workflows combining visual understanding with action — document processing pipelines that extract data and call APIs, visual Q&A systems, and multimodal agents. Tool calling enables it to trigger external functions based on what it sees in images.
Pricing position within OpenAI
GPT-6 Astra sits in the middle of OpenAI's pricing at $10.00/1M input — 199% above the lineup average ($0.10 cheapest, $20.00 most expensive). 14 siblings cost less, 1 cost more. This mid-tier positioning makes it a sensible default when you're unsure which variant to pick.
GPT-6 Astra's role in the lineup
Within OpenAI's lineup, GPT-6 Astra is a mid-tier option — balanced between cost and capability. It's a standalone variant in its family. This makes it a safe default for production workloads where you're not sure which tier to pick.
Real-world use cases
Real-world deployments: document processing pipelines (read invoice → extract fields → call accounting API), visual Q&A systems, and multimodal agents that act on what they see. GPT-6 Astra handles the full see-decide-act loop in a single model call.
vs sibling models
What makes GPT-6 Astra different from sibling models: compared to GPT-5.6 Sol ($5.00/1M cheaper, 1M vs 1M context (smaller)); GPT-5.6 Terra ($8.00/1M cheaper, 1M vs 1M context (smaller)); GPT-5.6 Luna ($9.80/1M cheaper, 1M vs 1M context (smaller)). Choose GPT-6 Astra when vision input is needed.
API Examples
Python
from openai import OpenAI
client = OpenAI(
api_key="YOUR_API_KEY",
base_url="https://api.apiyihe.org/v1"
)
response = client.chat.completions.create(
model="gpt-6-astra",
messages=[
{"role": "user", "content": "Hello"}
]
)
print(response.choices[0].message.content)JavaScript / Node.js
import OpenAI from "openai";
const client = new OpenAI({
apiKey: process.env.API_KEY,
baseURL: "https://api.apiyihe.org/v1"
});
const response = await client.chat.completions.create({
model: "gpt-6-astra",
messages: [
{ role: "user", content: "Hello" }
]
});
console.log(response.choices[0].message.content);cURL
curl https://api.apiyihe.org/v1/chat/completions \
-H "Content-Type: application/json" \
-H "Authorization: Bearer YOUR_API_KEY" \
-d '{
"model": "gpt-6-astra",
"messages": [
{"role": "user", "content": "Hello"}
]
}'Supported Features
| Vision / Image Input | ✅ Supported |
| Audio / Voice Input | ❌ Not Available |
| Function Calling | ✅ Supported |
| JSON Mode | ❌ Not Available |
| Streaming | ✅ Supported |
| Fine-Tuning | ❌ Not Available |
| Multimodal | ❌ Not Available |
Benchmark Scores
| Benchmark | Score |
|---|---|
| MMLU | Not Publicly Available |
| GPQA | Not Publicly Available |
| SWE-Bench | Not Publicly Available |
| HumanEval | Not Publicly Available |
| GSM8K | Not Publicly Available |
| MATH | Not Publicly Available |
| MMMU | Not Publicly Available |
Pricing History
GPT-6 Astra was released in 2026-09 by OpenAI and is currently publicly available via AI API Hub.
Current Pricing: $10.00 per 1M input tokens · $50.00 per 1M output tokens. Pay-as-you-go with no minimum commitment.
Pricing Model: Token-based billing (pay per use). No subscription fees. No hidden costs.
💡 OpenAI occasionally updates pricing. AI API Hub reflects current pricing in real-time. All prices in USD. Pay with USDT or USDC — no currency conversion fees.
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Frequently Asked Questions
What is GPT-6 Astra?
GPT-6 Astra is OpenAI's current gpt6 model. OpenAI's September 2026 flagship. Its recurrent-depth reasoning core drives native computer and browser use, with a 1M context window and the first Critical-rated cyber capability score OpenAI has published. Cached input is $1.00/1M, batch and flex tiers are half price. It offers a 1M context window and supports Vision, Function Calling, Computer Use. You can access it through AI API Hub using USDT or USDC — no credit card required.
How much does GPT-6 Astra cost?
GPT-6 Astra is priced at $10.00 per 1M input tokens and $50.00 per 1M output tokens, billed pay-as-you-go with no minimum. Through AI API Hub you can start with as little as $5 and scale from there.
GPT-6 Astra vs Claude Fable 5.1?
They're built for different jobs. GPT-6 Astra costs $10.00/1M input with a 1M window; Claude Fable 5.1 runs $10.00/1M input with 1M. GPT-6 Astra is the more cost-effective pick and still brings frontier reasoning. See the full side-by-side at /compare/gpt-6-astra-vs-claude-fable-5-1/.
GPT-6 Astra context window?
GPT-6 Astra has a 1M context window, capable of processing up to 1,050,000 tokens in a single request. Maximum output tokens: 131,072.
Does GPT-6 Astra support function calling?
Yes, GPT-6 Astra supports function/tool calling, allowing you to define functions that the model can invoke. This enables AI agents, API integrations, and structured data extraction.
Is GPT-6 Astra multimodal?
Partially — GPT-6 Astra supports vision (image input) but not native audio processing.
GPT-6 Astra API rate limits?
GPT-6 Astra rate limits: 1K RPM. Higher tier plans offer increased throughput. For high-volume production use, consider OpenAI's faster variant models.
How to access GPT-6 Astra API?
Access GPT-6 Astra through AI API Hub: (1) Register at z.apiyihe.org/register?aff=ZVtr, (2) Deposit USDT/USDC, (3) Get your API key instantly, (4) Use the OpenAI-compatible endpoint https://api.apiyihe.org/v1 with model name "gpt-6-astra". Start building in under 30 seconds.