GPT-6 Astra is OpenAI's language model with a 1.1M context window and up to 128K output tokens, starting at $10.00 / 1M input and $50.00 / 1M output. A general-purpose LLM offering enterprise-oriented capabilities with expanded reasoning and multimodal understanding for API and business platform use.
Specifications
Canonical IDopenai-gpt-6-astra
TypeLanguage
StatusActive
CreatorOpenAIOpenAI
Providers
Context Window1.1M tokens
Max Output128K tokens
Input ModalitiesImagePDFText
Output ModalitiesText
Reasoning Effortsdefaultxhigh
Knowledge Cutoff · 5 months ago
Benchmarks
Intelligence Index
#5
Coding Index
#4
GPQA
#1
HLE
#4
Time to First Token
#259
SciCode
#19
LCR
#38
Output TPS
#492

Capabilities

Input3/5
Text
Image
Audio·
Video·
PDF
Output1/5
Text
Image·
Audio·
Video·
Embedding·
Capabilities8/13
Reasoning
Adaptive Reasoning·
Function Calling
Parallel Function Calling
Structured Outputs
Native JSON Schema
Web Search
URL Context·
Computer Use
Code Execution·
File Search·
Prompt Caching
Assistant Prefill·

Pricing by Provider

US Dollar ($)
Per 1M tokens
ProviderStandardFlexFastBatch
Input
$ / 1M
Output
$ / 1M
Cache Read
$ / 1M
Cache Write 5m
$ / 1M
Input
$ / 1M
Output
$ / 1M
Cache Read
$ / 1M
Cache Write 5m
$ / 1M
Input
$ / 1M
Output
$ / 1M
Cache Read
$ / 1M
Cache Write 5m
$ / 1M
Input
$ / 1M
Output
$ / 1M
Cache Read
$ / 1M
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OpenAI
gpt-6-astra
$10.00$50.00$1.00$12.50$5.00$25.00$0.5$6.25$20.00$100.00$2.00$25.00$5.00$25.00$0.5

Cost Calculator

US Dollar ($)
Preset:

Versions

VersionReleasedContextInput / 1MOutput / 1MStatus
GPT-5.6 Sol1.1M$2.00$10.00Available
GPT-5.6 Terra1.1M$2.00$12.00Available
GPT-5.6 Luna1.1M$0.200$1.20Available
GPT-5.51.1M$5.00$30.00Available
GPT-5.4 Mini400K$0.750$4.50Available
GPT-5.4 Nano400K$0.200$1.25Available
GPT-5.41.1M$2.50$15.00Available
GPT-5.3 Codex400K$1.75$14.00Available
GPT-5.2 Codex400K$1.75$14.00Deprecated
GPT-5.2410K$1.75$14.00Available
GPT-6 Astra1.1M$10.00$50.00Current

Model IDs

gpt-6-astra
gpt-6-astra-high
gpt-6-astra-low
gpt-6-astra-medium
gpt-6-astra-non-reasoning
gpt-6-astra-xhigh
openai-gpt-6-astra