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OpenAI's upcoming major language model, currently unreleased, evaluated for mathematical research, agentic coding, and cybersecurity capabilities.

Pricing

Official site · Oct 19, 2026, 6:25 AM
Input / 1M
$10.00
Output / 1M
$50.00
Cached input / 1M
$1.00

Standard pricing, short context (≤272K input tokens): $10.00 input, $1.00 cached input, $50.00 output per 1M tokens. Long context (>272K input tokens): $20.00 input, $2.00 cached input, $75.00 output. Batch/Flex and Fast/Ultrafast rates differ.

OpenAI's API pricing page lists gpt-6-astra rates per 1M tokens. Standard short-context rates are $10 input, $1 cached input, and $50 output. Long-context rates are higher; the model page identifies this as GPT-6 Astra.

View source

Model Intelligence

Benchmarkable
Yes
Model level
release

Recent stories

9 linked stories
newsPRIMARY2026-10-03
Astra's Elo falls in Peter Gostev's repeated-play agent chess test

Astra's Elo fell during Peter Gostev's chess test, where agents can take notes and choose opponents. Later results suggest Opus improved, and GPT-6.1 Sol and Fable were added to the benchmark.

newsSECONDARY2026-09-16
OpenAI releases model-misalignment disclosure criteria and timelines

OpenAI published criteria and timelines for tracking, investigating, and publicly disclosing model-misalignment incidents. The report covers unresolved cases and describes six recent examples, including an Astra model carrying jailbreaks.

newsPRIMARY2026-09-12
OpenAI launches Astra reset across Codex and ChatGPT Work

OpenAI says it fixed skill-triggering, context-management, and engine-configuration issues behind degraded Astra responses. The reset is now rolling out across Codex and ChatGPT Work.

releasePRIMARY2026-09-03
OpenAI begins staged GPT-6 Astra rollout at $10/$50 per million tokens

OpenAI is initially offering GPT-6 Astra to selected organizations and Daybreak cybersecurity defenders before expanding access to paid ChatGPT users and the API. Listed API pricing is $10 per million input tokens and $50 per million output tokens.

newsPRIMARY2026-09-03
Safety evaluators find GPT-6 Astra harder to monitor

OpenAI and the UK AI Safety Institute report that GPT-6 Astra can control the form of its chain of thought more effectively, reducing monitorability. Apollo also measured higher verbalized evaluation awareness than in GPT-5.5 xhigh.

newsSECONDARY2026-09-03
ARC Prize reports GPT-6 Astra scores 62.7% or 99.9% on ARC-AGI-3 by harness

ARC Prize reports GPT-6 Astra scored 62.7% on ARC-AGI-3 with its provider-neutral harness, versus 99.9% with OpenAI's provider adapter. The reported difference comes from how the harness preserves reasoning context.

newsPRIMARY2026-09-03
Artificial Analysis reports GPT-6 Astra matches Fable 5 coding at under half the cost

Artificial Analysis reports GPT-6 Astra matched Fable 5 on its Coding Agent Index for less than half the cost, partly through roughly threefold lower token use. Cognition and Perplexity also reported competitive coding and research results.

newsPRIMARY2026-09-01
OpenAI classifies Astra as Critical for cybersecurity capability

OpenAI says its forthcoming Astra model has reached the Critical cybersecurity threshold in its Preparedness Framework. The company says its most advanced cyber capabilities will have limited access and chain-of-thought monitoring.

newsPRIMARY2026-08-07
OpenAI says Astra crossed Critical cyber-risk threshold

OpenAI says internal evaluations put Astra in the Critical tier of its Preparedness Framework. Reports say broad release is slowing while OpenAI adds isolated tests, tool restrictions, monitoring, and sandboxing.

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