Unverified OpenAI Codenames 'Terra,' 'Sol,' and 'Astra' Surface on OpenRouter, No Official Confirmation

What happened

Three model identifiers—gpt-terra-latest, gpt-sol-latest, and gpt-astra-latest—appeared on OpenRouter under a namespace tagged ~openai. The listings surfaced as standalone pages on OpenRouter's model directory, prompting immediate speculation that OpenAI is testing or preparing to release new models under these codenames.

As of this writing, none of the three listings include a context window size, input/output pricing per 1M tokens, benchmark scores, parameter count, or a training data cutoff date. OpenAI has not issued a press release, blog post, or API documentation update confirming any of these names. The ~ prefix used in OpenRouter's URL structure typically denotes an unverified or community-tagged namespace rather than a confirmed first-party listing, which raises further doubt about whether these are official OpenAI products at all.

Why this matters, cautiously

OpenRouter aggregates models from dozens of providers and sometimes lists endpoints before an official announcement lands, either because a lab is soft-launching through a partner API or because a placeholder was created in anticipation of a release. Both scenarios have precedent in the industry. But the complete absence of technical specifications, pricing, or any statement from OpenAI means these three entries cannot currently be treated as confirmed products.

The naming pattern—Terra, Sol, Astra—breaks from OpenAI's established GPT-4o/GPT-4.1/o-series conventions, which is itself notable. Codenames of this style have appeared before in the industry as internal or A/B-testing labels surfaced through routing infrastructure ahead of a formal launch, but they have also turned out to be mislabeled entries, test scaffolding, or third-party impersonation attempts using OpenAI's name without authorization.

What's actually known

• Three distinct model IDs exist on OpenRouter under an ~openai tag.
• No benchmark data, pricing, or context window figures are available for any of them.
• OpenAI has made no public statement confirming the names Terra, Sol, or Astra as real products.
• OpenRouter's own listing format suggests these may be unverified or provisional entries rather than confirmed API endpoints.

What this means

Treat this as an unconfirmed signal, not a product launch. Until OpenAI publishes documentation, pricing, or benchmark results—or until OpenRouter's listings move out of the unverified namespace—there is no reliable basis to describe Terra, Sol, or Astra as shipping models. Builders evaluating these endpoints today should assume routing behavior, availability, and even the underlying model weights could change without notice, and should not architect production systems around them until an official OpenAI announcement or documented API reference appears. We will update this article if OpenAI confirms or denies these listings.