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GPT-6 Astra (xhigh)

★ featured
OpenAI · released 2026-09-03 · 6 recorded token offers

Top 2 cheapest providers (Adjusted $/task)

Within the active global provider, residency and confidentiality filters.

#ProviderPlatformRaw input $/1MRaw output $/1MAdjusted $/task
1OpenAIOpenRouter$10.00$50.00
2AzureOpenRouter$10.00$50.00

Benchmarks

Composite94.8
Composite evidence2/5
AA Coding · unversioned snapshot 2026-09-1075.9
AA Coding Agent · v1.4 · 2026-09-09
AA Intelligence · unversioned snapshot 2026-09-1052.5
DesignArena Frontend · unversioned snapshot 2026-09-10
DesignArena Full-Stack · unversioned snapshot 2026-09-10
Output speed (t/s)49

MODEL EVIDENCE

Benchmark sheet

14 / 73 registered benchmark versions covered · 16 observations including existing index snapshots.

Compare this model ↗
Composite retains Coding Agent v1.4 · source 2026-09-09

The five Composite inputs remain unchanged. Its Coding Agent input is the median across complete harness results in the retained v1.4 snapshot from 2026-09-09. Artificial Analysis now publishes v1.5, with different components. Explore current v1.5 separately. Dated snapshot labels on other indices identify unversioned source captures, not a verified semantic version.

Profile signals

1 threshold-crossing signal flagged · 15 eligible benchmark families

How flags are calculated

Heuristic screen, not statistical significance: benchmark families are correlated and source uncertainty is unknown. Peer evidence needs ≥ 20 independently measured matched configurations from ≥ 10 distinct model families. A flag needs a directed population z-score of magnitude ≥ 1.5 and a gap of ≥ 1.5 from the leave-one-benchmark-family-out mean z in the same direction, over ≥ 5 other benchmark families.

  • unusually strong CritPt (AA) snapshot-2026-09-10
    Why
    Observed: 0.31429 fraction
    Peer mean 0.03942 · peer sd 0.0762 · n 521 · families 367
    Directed z 3.607 · baseline z 1.78 · gap 1.827 · profile n 14
    0.31429 fractionmeasuredobserved 2026-09-10artificialanalysis.ai
    Evidence
    Axis: CritPt (AA) · snapshot-2026-09-10 · Published board
    Exact value: 0.314285714285714 fraction
    Observed: 2026-09-10T21:47:16.627Z · publication date: not recorded
    Observation id: aa:1f541ef3-913f-4eb2-9d07-0e93c7a9a5e3:critpt

Protocol-compatible measured/vendor divergences

No verified protocol-compatible vendor/measured pair is available for this model; agreement cannot be assessed.

Agentic

Agentic: every observation for this exact model configuration
Benchmark / versionEvaluation groupScore / provenance
AA-Briefcase

Version snapshot-2026-09-10

Published board

Tests multi-week professional knowledge-work projects with linked tasks and large source collections.

1533.73 Elomeasuredobserved 2026-09-10artificialanalysis.ai
Evidence
Axis: AA-Briefcase · snapshot-2026-09-10 · Published board
Exact value: 1533.73 Elo
Observed: 2026-09-10T21:47:16.627Z · publication date: not recorded
Observation id: aa:1f541ef3-913f-4eb2-9d07-0e93c7a9a5e3:briefcaseBreakdown.overall.elo
GDPval-AA v2

Version 2

Published board

Tests professional knowledge-work deliverables across occupations using AA's Stirrup harness.

1555.23 Elomeasuredobserved 2026-09-10artificialanalysis.ai
Evidence
Axis: GDPval-AA v2 · 2 · Published board
Exact value: 1555.23 Elo
Observed: 2026-09-10T21:47:16.627Z · publication date: not recorded
Observation id: aa:1f541ef3-913f-4eb2-9d07-0e93c7a9a5e3:gdpval
Terminal-Bench v2.1 (AA)

Version 2.1

Published board

Tests terminal-based work on the 89-task verified refresh using Terminus 2.

0.89139 fractionmeasuredobserved 2026-09-10artificialanalysis.ai
Evidence
Axis: Terminal-Bench v2.1 (AA) · 2.1 · Published board
Exact value: 0.891385767790262 fraction
Observed: 2026-09-10T21:47:16.627Z · publication date: not recorded
Observation id: aa:1f541ef3-913f-4eb2-9d07-0e93c7a9a5e3:terminalbenchV21
Terminal-Bench v4.0 (AA)

Version 4.0

Published board

Tests terminal-based work on the 66-task release using mini-SWE-agent v2.4.6.

0.59596 fractionmeasuredobserved 2026-09-10artificialanalysis.ai
Evidence
Axis: Terminal-Bench v4.0 (AA) · 4.0 · Published board
Exact value: 0.595959595959596 fraction
Observed: 2026-09-10T21:47:16.627Z · publication date: not recorded
Observation id: aa:1f541ef3-913f-4eb2-9d07-0e93c7a9a5e3:terminalbenchV40

Coding

Coding: every observation for this exact model configuration
Benchmark / versionEvaluation groupScore / provenance
SciCode (AA subproblems)

Version 1.0.1

Published board

Tests scientific Python programming with scientist-annotated background information.

0.55671 fractionmeasuredobserved 2026-09-10artificialanalysis.ai
Evidence
Axis: SciCode (AA subproblems) · 1.0.1 · Published board
Exact value: 0.556712962962963 fraction
Observed: 2026-09-10T21:47:16.627Z · publication date: not recorded
Observation id: aa:1f541ef3-913f-4eb2-9d07-0e93c7a9a5e3:scicode
AA Coding Index

Version snapshot-2026-09-10 (unversioned)

Published board

Published AA index from the retained API snapshot. No verified semantic version was supplied.

75.9 pointsmeasuredobserved 2026-09-10artificialanalysis.ai
Evidence
Axis: AA Coding Index · snapshot-2026-09-10 (unversioned) · Published board
Exact value: 75.9 points
Observed: 2026-09-10 · publication date: not recorded
Observation id: legacy:aa_coding_index:gpt-6-astra::xhigh
Protocol: inspect · file data/raw/artificialanalysis.json

Knowledge

Knowledge: every observation for this exact model configuration
Benchmark / versionEvaluation groupScore / provenance
Humanity's Last Exam (AA text-only)

Version snapshot-2026-09-10

Published board

Tests expert-level knowledge on AA's text-only Humanity's Last Exam subset.

0.54588 fractionmeasuredobserved 2026-09-10artificialanalysis.ai
Evidence
Axis: Humanity's Last Exam (AA text-only) · snapshot-2026-09-10 · Published board
Exact value: 0.545875810936052 fraction
Observed: 2026-09-10T21:47:16.627Z · publication date: not recorded
Observation id: aa:1f541ef3-913f-4eb2-9d07-0e93c7a9a5e3:hle
AA-Omniscience Index

Version snapshot-2026-09-10

Published board

Tests factual reliability while rewarding correct answers and penalizing hallucinations.

43.41667 pointsmeasuredobserved 2026-09-10artificialanalysis.ai
Evidence
Axis: AA-Omniscience Index · snapshot-2026-09-10 · Published board
Exact value: 43.4166666666667 points
Observed: 2026-09-10T21:47:16.627Z · publication date: not recorded
Observation id: aa:1f541ef3-913f-4eb2-9d07-0e93c7a9a5e3:omniscience

Long-context

Long-context: every observation for this exact model configuration
Benchmark / versionEvaluation groupScore / provenance
GDP.pdf (AA)

Version snapshot-2026-09-10

Published board

Tests professional reasoning over long PDFs with AA document preparation and grading.

0.322 fractionmeasuredobserved 2026-09-10artificialanalysis.ai
Evidence
Axis: GDP.pdf (AA) · snapshot-2026-09-10 · Published board
Exact value: 0.322 fraction
Observed: 2026-09-10T21:47:16.627Z · publication date: not recorded
Observation id: aa:1f541ef3-913f-4eb2-9d07-0e93c7a9a5e3:gdpPdfAllPass
AA-LCR v1.1

Version 1.1

Published board

Tests reasoning across multiple long documents with corrected answer keys and grading.

0.8 fractionmeasuredobserved 2026-09-10artificialanalysis.ai
Evidence
Axis: AA-LCR v1.1 · 1.1 · Published board
Exact value: 0.8 fraction
Observed: 2026-09-10T21:47:16.627Z · publication date: not recorded
Observation id: aa:1f541ef3-913f-4eb2-9d07-0e93c7a9a5e3:lcr

Reasoning

Reasoning: every observation for this exact model configuration
Benchmark / versionEvaluation groupScore / provenance
AA Intelligence Index

Version snapshot-2026-09-10 (unversioned)

Published board

Published AA index from the retained API snapshot. No verified semantic version was supplied.

52.5 pointsmeasuredobserved 2026-09-10artificialanalysis.ai
Evidence
Axis: AA Intelligence Index · snapshot-2026-09-10 (unversioned) · Published board
Exact value: 52.5 points
Observed: 2026-09-10 · publication date: not recorded
Observation id: legacy:aa_intelligence_index:gpt-6-astra::xhigh
Protocol: inspect · file data/raw/artificialanalysis.json

Science

Science: every observation for this exact model configuration
Benchmark / versionEvaluation groupScore / provenance
CritPt (AA)

Version snapshot-2026-09-10

Published board

Tests research-level physics reasoning with Python, symbolic and numerical answers.

0.31429 fractionmeasuredobserved 2026-09-10artificialanalysis.ai
Evidence
Axis: CritPt (AA) · snapshot-2026-09-10 · Published board
Exact value: 0.314285714285714 fraction
Observed: 2026-09-10T21:47:16.627Z · publication date: not recorded
Observation id: aa:1f541ef3-913f-4eb2-9d07-0e93c7a9a5e3:critpt
GPQA Diamond (AA)

Version snapshot-2026-09-10

Published board

Tests graduate-level biology, physics and chemistry knowledge on the Diamond subset.

0.96263 fractionmeasuredobserved 2026-09-10artificialanalysis.ai
Evidence
Axis: GPQA Diamond (AA) · snapshot-2026-09-10 · Published board
Exact value: 0.962626262626263 fraction
Observed: 2026-09-10T21:47:16.627Z · publication date: not recorded
Observation id: aa:1f541ef3-913f-4eb2-9d07-0e93c7a9a5e3:gpqa

Tool-use

Tool-use: every observation for this exact model configuration
Benchmark / versionEvaluation groupScore / provenance
AutomationBench-AA

Version 1.0.6

Published board

Tests multi-app SaaS workflows through REST tools on a held-out AutomationBench split.

0.67178 fractionmeasuredobserved 2026-09-10artificialanalysis.ai
Evidence
Axis: AutomationBench-AA · 1.0.6 · Published board
Exact value: 0.6717778020215392 fraction
Observed: 2026-09-10T21:47:16.627Z · publication date: not recorded
Observation id: aa:1f541ef3-913f-4eb2-9d07-0e93c7a9a5e3:automationBenchPartialScore
τ³-Banking (AA)

Version 1.0.1

Published board

Tests banking support agents that retrieve policies and change account state through tools.

0.43093 fractionmeasuredobserved 2026-09-10artificialanalysis.ai
Evidence
Axis: τ³-Banking (AA) · 1.0.1 · Published board
Exact value: 0.430927835051546 fraction
Observed: 2026-09-10T21:47:16.627Z · publication date: not recorded
Observation id: aa:1f541ef3-913f-4eb2-9d07-0e93c7a9a5e3:tauBanking

Vision

Vision: every observation for this exact model configuration
Benchmark / versionEvaluation groupScore / provenance
MMMU Pro (AA)

Version snapshot-2026-09-10

Published board

Tests multimodal understanding using challenging ten-option questions.

0.86243 fractionmeasuredobserved 2026-09-10artificialanalysis.ai
Evidence
Axis: MMMU Pro (AA) · snapshot-2026-09-10 · Published board
Exact value: 0.86242774566474 fraction
Observed: 2026-09-10T21:47:16.627Z · publication date: not recorded
Observation id: aa:1f541ef3-913f-4eb2-9d07-0e93c7a9a5e3:mmmuPro
Missing coverage · 61 benchmark versions

No result does not mean a zero, or that the model was never tested. Collection failures and disputed versions retain their distinct status.

Variants / reasoning settings

VariantCoding · snapshot 2026-09-10Intelligence · snapshot 2026-09-10
GPT-6 Astra (high)77.151.0
GPT-6 Astra (max)76.952.8
GPT-6 Astra (medium)76.749.7
GPT-6 Astra (Non-reasoning)76.245.2
GPT-6 Astra (xhigh)75.952.5
GPT-6 Astra (low)75.746.0

GitHub Copilot

Current usage-based billing · model token cost is converted to AI Credits at 1 credit = $0.01.

Input $10.00 / 1M
Cached input $1.00 / 1M
Cache write $12.50 / 1M
Output $50.00 / 1M
Status GA

Token offers by platform — Adjusted $/task

Adjusted costs are modeled USD per task: AA output tokens × OpenRouter usage I/O (Chutes global fallback). These are general usage and benchmark proxies for coding-agent work. Missing AA data assumes 1,000 output tokens/task; unknown cache hit assumes 0%; unmeasured additional cache writes assume 0 tokens. Click any underlined price for exact inputs, dates and assumptions. Raw list prices use the selected fixed input/output blend, in USD per million tokens.

6 offers within the active global filters; “—” means the catalog is active but no public token price is available.

OpenRouter (4)

OpenAIglobalopenai$10.00 raw in $/1M$50.00 raw out $/1M
Azureglobalazure$10.00 raw in $/1M$50.00 raw out $/1M
Azureglobalazure/us$11.00 raw in $/1M$55.00 raw out $/1M
OpenAIglobalopenai/fast$20.00 raw in $/1M$100 raw out $/1M

Azure AI Foundry (2)

Azure AI Foundryglobal raw in $/1M raw out $/1M
Azure AI FoundryeuEU raw in $/1M raw out $/1M
Benchmark Heaven — Model benchmarks & costs