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GPT-6 Astra openai

Closed weights API only frontier listed on OpenRouter 2026-09-04 (50d ago) · source Last verified 2026-10-25 06:51 UTC Docs ↗ OpenRouter ↗

Release timeline

Stages observed by the nightly radar: announced → API only → weights public → served by third parties. Each entry carries the source it was seen at.

  1. 2026-09-04 · API only source
    seeded from the earliest dated observation when first seen · observed 2026-10-07 20:20 UTC

Description

GPT-6 Astra is OpenAI's flagship model for demanding end-to-end work. It is suited for advanced analysis, software engineering, deep research, scientific work, and document creation, with particular strengths in long-horizon...

via OpenRouter listing · observed 2026-10-24 21:26 UTC. The listing text is the provider's own description, not an assessment.

Where to run 3 providers · 7 endpoints

Hosted endpoints observed for GPT-6 Astra, sorted by input price (USD per million tokens). Each row names its observer and date; prices change daily, so check the source before quoting. Cheapest observed input price: $5.00/M.

ProviderModel refContextQuant$/M in$/M outtok/sTTFTToolsStatusObserved
OpenAI
openrouter
openai/gpt-6-astra 1.0M unknown $5.00 $25.00 — — yes live 2026-10-24
Azure
openrouter
openai/gpt-6-astra 1.0M unknown $10.00 $50.00 — — yes live 2026-10-24
OpenAI
openrouter
openai/gpt-6-astra 1.0M unknown $10.00 $50.00 — — yes live 2026-10-24
Amazon Bedrock
openrouter
openai/gpt-6-astra 1.0M unknown $11.00 $55.00 — — yes live 2026-10-24
Azure
openrouter
openai/gpt-6-astra 1.0M unknown $11.00 $55.00 — — yes live 2026-10-24
OpenAI
openrouter
openai/gpt-6-astra 1.0M unknown $20.00 $100.00 — — yes live 2026-10-24
OpenAI
openrouter
openai/gpt-6-astra 1.0M unknown $60.00 $300.00 — — yes live 2026-10-24

Third-party providers observed: 1 (Amazon Bedrock). Cache-read price $1.00/M (source, observed 2026-10-24).

Facts

Context length1,050,000 tokens (1.0M) · OpenRouter listing
Modalitiesfile + image + text → text
Max completion tokens128,000
Supported parametersinclude_reasoning, max_completion_tokens, max_tokens, reasoning, reasoning_effort, response_format, seed, structured_outputs, tool_choice, tools, verbosity
OpennessClosed weights · closed lab
StageAPI only
Confidencemedium
Pricing (USD per M tokens) in $10.00 · out $50.00 · cache read $1.00
OpenRouter list price (cheapest live endpoint) · source · observed 2026-10-24 21:26 UTC

Open alternatives 5

Nearest open-weights models by modality, context and price on this watch list. Not a quality ranking.

ModelOrgParamsContext$/M inLicenseWhy it is here
Qwen3.5-4B Qwen 4.66B 256K — apache-2.0 vision input
Kimi-K3 moonshotai 2.78T 1M $0.23 other similar context (1.05M), cheaper input price ($0.2261/M vs $10/M), vision input
Llama-3.2-11B-Vision-Instruct meta-llama 10.7B — — llama3.2 vision input
Qwen3-VL-4B-Instruct Qwen 4.44B 256K — apache-2.0 vision input
Qwen3-VL-2B-Instruct Qwen 2.13B 256K — apache-2.0 vision input

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Sources

Radar run: 2026-10-25 06:51 UTC · Last verified 2026-10-25 06:51 UTC