OpenAI
OpenAI
ReasoningProprietary Commercial API Verified Architecture & Specs$10/1M in · $50/1M out

GPT-6 Astra

OpenAI frontier model for computer use, browsing, software engineering, cybersecurity, science, and professional work. Designed for multistep agentic workflows, including computer use, coding, research, document, spreadsheet and presentation generation, and scientific analysis. GPT-6 Astra supports a 1M-token context in Codex with cross-window context retrieval, and is available through the OpenAI API, ChatGPT plans, Microsoft Azure, and AWS Bedrock.

Technical Architecture & Execution Specifications
Architecture Overview

GPT-6 Astra

OpenAI frontier model for computer use, browsing, software engineering, cybersecurity, science, and professional work. Designed for multistep agentic workflows, including computer use, coding, research, document, spreadsheet and presentation generation, and scientific analysis. GPT-6 Astra supports a 1M-token context in Codex with cross-window context retrieval, and is available through the OpenAI API, ChatGPT plans, Microsoft Azure, and AWS Bedrock.

Supported Modalities
textcodeimagevisionaudiocomputer-usetools

Hardware & Execution ParametersReasoning

Total Parameter CountUndisclosed
Active Parameters (MoE)Dense Architecture
Context Window Capacity1,048,576 tokens
Model Weights FootprintCloud Hosted API
Distribution LicenseProprietary Commercial API
Standard API Pricing (1M Tokens)$10 in / $50 out
Model Heritage & Evolutionary Lineage
GPT v6

Genealogical Graph & Evolutionary Provenance

Tracing foundational base architecture ancestry, architectural successors, scale siblings, and reasoning distillation derivatives.

Active SelectionSep 2026
GPT-6 Astra
Undisclosed1,048,576 CtxCurrent Spec
Evolutionary Successor
Latest Generation Checkpoint
AI Model Architecture & Intelligence

Architecture Engineering & Capability Deep-Dive

An objective architectural evaluation of GPT-6 Astra by OpenAI, analyzing underlying compute dynamics, memory constraints, and deployment economics.

Topology & Attention Mechanics

Features an Omni multimodal unified encoder capable of test-time compute scaling via explicit Chain-of-Thought (CoT) reasoning tokens.

Architecture Type:Advanced Transformer

Evaluation Profile & Reasoning

Exhibits frontier-tier behavior in reasoning and coding. World-class step-by-step mathematical extraction.

Domain Specialty:Reasoning

LLM Hardware Sizing & Serving

Served via scalable API endpoints guaranteeing high tokens-per-second concurrency and enterprise SLAs.

KV Cache Mgmt: PagedAttention / FlashAttention-3
Hosting Type:Proprietary Commercial API

Inference Economics & Workflows

Reasoning tokens dynamically scale compute on hard problems. Expect higher output costs and varied TTFB, offset by massive reductions in hallucination rates.

Enterprise Fit:Production Ready
Production Trade-Offs & Capability Balance

Architectural Strengths vs. Considerations

An objective balance sheet analyzing the operational advantages and production constraints of deploying GPT-6 Astra.

Key Architectural Strengths

  • Omni multimodal unified encoder with test-time compute scaling (CoT reasoning tokens) maxes out complex problem solving.
  • Exceptional adherence to structured JSON schemas accelerates integration into deterministic enterprise pipelines.
  • Massive 1,048,576-token context allows full-repository and book-length ingestion.
  • Demonstrated Terminal-Bench Science 0.1 evaluation score of 64.6% in verified benchmarks.

Operational Considerations

  • Autoregressive CoT reasoning tokens can increase Time-to-First-Byte (TTFB) and inflate output token budgets unpredictably.
  • 128k+ token prefill stages become heavily compute-bound and balloon KV cache without PagedAttention chunking.
LLM Hardware Sizing & Runtime Compatibility

Inference Runtimes & Hardware Sizing

Deployment targets, inference engines, and memory requirements for GPT-6 Astra.

Recommended Hardware Profile:
Cloud Hosted API (Zero Local VRAM)
Supported Inference Engines
Vendor REST API

Primary managed cloud endpoint

Official
OpenRouter

Unified multi-provider gateway

Supported
Amazon Bedrock / GCP

Private cloud enterprise integration

Enterprise
OpenAI SDK

Standard chat completions client

Compatible
Precision & Quantization Formats
Cloud PrecisionManaged Serving

Vendor-optimized floating point precision (FP8/BF16)

Prompt CachingPrefix Cache

Up to 50–90% cost reduction on repeated system prompts

LLM Benchmark Database & Performance Metrics

39 Tested

Standardized evaluation results across reasoning, agentic coding, computer use, and alignment.

Flagship Headline MetricsIndustry SOTA Standard
Agentic & Computer Use

OSWorld 2.0

72.6%partial_score
0%100%

v2026.08.08, offline set

Agentic & Computer Use

ScreenSpot-Pro

92.7%score
0%100%

no tools

Coding & Software

Terminal-Bench 4.0

57.9%accuracy
0%100%
Coding & Software

DeepSWE v1.1

74.1%score
0%100%
Terminal-Bench Science 0.1
accuracy
64.6%
OSWorld 2.0
partial_score
72.6%

v2026.08.08, offline set

ScreenSpot-Pro
score
92.7%

no tools

Agents’ Last Exam
accuracy
59.3%
AutomationBench
score
41.4%
BenchCAD
geometric_overlap
95.9%
BrowseComp
score
91.5%
OpenScore String Quartets
OMR-NED
0.84
Commercial Rates & Inference Costs

API & Deployment Pricing

Standard API consumption rates per million tokens as indexed from official laboratory pricing documentation.

Usage TierRate / Unit
Prompt / Input Tokens$10 / 1M tokens
Completion / Output Tokens$50 / 1M tokens
Inference Cost & ROI Engine
Official API Rate
Prompt / Input Volume:50M Tokens / mo
1M500M1,000M
Generated / Output Volume:10M Tokens / mo
1M250M500M
Estimated Monthly Spend
$1,000.00/ mo
Input (50M @ $10.00/1M):$500.00
Output (10M @ $50.00/1M):$500.00
Cloud GPU Breakeven Ratio
RunPod RTX 4090 ($316/mo)3.16x spend
Lambda 1x H100 ($1,800/mo)0.56x spend
Similar Frontier Models & Alternatives
Explore All Comparisons

Comparable Foundation Architectures

Alternative models in the Reasoning class with similar capabilities, context windows, or deployment profiles.

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Context:1000k ctx
Parameters:Proprietary
Input Rate:$10/1M
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Context:1000k ctx
Parameters:Proprietary
Input Rate:$10/1M
AnthropicReasoning

Claude Opus 4.7

Context:1000k ctx
Parameters:Proprietary
Input Rate:$5/1M
Integration & Deployment
import os
from openai import OpenAI

client = OpenAI(
    api_key=os.environ.get("OPENAI_KEY", "EMPTY"),
    base_url="https://api.openai.com/v1"
)

response = client.chat.completions.create(
    model="openai-gpt-6-astra-20260903",
    messages=[{"role": "user", "content": "Explain quantum superposition in 2 sentences."}]
)
print(response.choices[0].message.content)
Frequently Asked Questions

Frequently Asked Questions about GPT-6 Astra

Essential facts, architectural specs, hardware constraints, and pricing answers for GPT-6 Astra.

GPT-6 Astra is a proprietary API model and cannot be run locally. It requires no local VRAM.

Primary Sources & Access Repositories

All technical specifications, parameter distributions, context architectures, and benchmark evaluations for GPT-6 Astra are audited against primary source release documentation, research whitepapers, and verified vendor API endpoints.

api id:gpt-6-astra