Answer: The flagship model is GPT-6 Astra, with Model ID gpt-6-astra.
Status: Confirmed
Entry: model/openai-api
Revision: 1
Digest: sha256:be3e87620d9c7820 (changes whenever the content changes)

Timeline:
  Created: 2026-11-12T10:44:25Z
  Last changed: 2026-11-12T10:44:25Z
  Last verified: 2026-11-12T11:34:00Z
  Next check: 2026-11-13T11:34:00Z
  Check interval: Daily
  Expected change: No fixed schedule

Data:
  Field | Value | Unit | Source | As of
  Model ID | gpt-6-astra |  | [1] | 2026-11-12
  Model name | GPT-6 Astra |  | [1] | 2026-11-12
  Input price | $10 / Input MTok |  | [1] | 2026-11-12
  Output price | $50 / Output MTok |  | [1] | 2026-11-12
  Context window | 1.05M | tokens | [1] | 2026-11-12
  Knowledge cutoff | Apr 30, 2026 |  | [1] | 2026-11-12

Sources:
  [1] OpenAI. "Models | OpenAI API". https://platform.openai.com/docs/models
      Role: primary. Accessed: 2026-11-12T11:34:00Z
      Quote: "Model ID gpt-6-astra" (Supports: Model ID)
      Quote: "Astra GPT-6 Astra Our most capable model for the most demanding work." (Supports: Model name)
      Quote: "Input price $10 / Input MTok" (Supports: Input price)
      Quote: "Output price $50 / Output MTok" (Supports: Output price)
      Quote: "Context window 1.05M" (Supports: Context window)
      Quote: "Knowledge cutoff Apr 30, 2026" (Supports: Knowledge cutoff)
      Snapshot SHA-256: 2dd56064498c73ebcf8d300c44ef47ac9fd9e49bf80b1877417393b803ca4e08 (captured 2026-11-12T10:44:25Z)

Verification:
  Method: Automated extraction from [1] with deepseek-flash (JSON output, thinking disabled). Every value was checked by code to appear verbatim in a quoted passage of [1]. On this check the text of [1] was unchanged since 2026-11-12T10:44:25Z, so the values verified then were kept.
  Cross-check: not-available at 2026-11-12T11:34:00Z. No independent second source is configured for this entry
  Last successful check: 2026-11-12T11:34:00Z
  Last attempt: 2026-11-12T11:34:00Z

Notes and limitations:
  Extracted automatically from a single official source.

Change log:
  Time | Event | Change | Source
  2026-11-12T10:44:25Z | added | Entry created | —
  Changes for this entry as a feed: https://latestn.com/model/openai-api/latest

Challenge this entry:
  Open challenges: None
  How: If a value here is wrong or out of date, send what is wrong and a link to evidence. Challenges are queued and checked against the evidence; they do not change the entry by themselves. If the entry changes as a result, the change log says so.
  Form: https://latestn.com/dispute/model/openai-api
  POST: https://latestn.com/dispute/model/openai-api with claim, evidence_url, and optionally field and contact (form-encoded or JSON)
  GET: https://latestn.com/dispute/model/openai-api?claim={what is wrong}&evidence_url={link}

How to cite:
    latestN. (2026). What is the latest OpenAI API model ID? Revision 1, last verified 2026-11-12T11:34:00Z. https://latestn.com/model/openai-api (accessed 2026-11-12T12:50:54Z).

    @misc{latestN_model_openai_api_r1,
      title        = {What is the latest OpenAI API model ID?},
      author       = {{latestN}},
      year         = {2026},
      howpublished = {\url{https://latestn.com/model/openai-api}},
      note         = {Revision 1; digest sha256:be3e87620d9c7820; last verified 2026-11-12T11:34:00Z; accessed 2026-11-12T12:50:54Z}
    }

URL: https://latestn.com/model/openai-api