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API & SDKs

  • The Phaseo Agent SDK for TypeScript 0.1.1 is the first public release, for building multi-step agent loops with tools on top of the gateway; see Agent SDK Overview (#618, #610).
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Product

  • The models page lists announced models as Coming Soon with their catalogue prices, and shows partner-only models as Limited Access (#850, #852).
  • New guide: OpenAI GPT-5.6 covers moving to the Sol, Terra and Luna tiers, including reasoning effort and cache pricing (#850).
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API & SDKs

  • Requests with service_tier: "priority" now route only to providers that support it, and xAI and Moonshot requests bill at the tier actually served; see Service Tiers (#746, #741, #745).
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Product

  • The Monitor feed shows model link changes and deprecation and retirement dates, and pricing updates with several plans get a plan toggle (#703, #704).

API & SDKs

  • Beta: The Phaseo CLI 0.1.1 is the first public release, with browser sign-in, --json output and commands to manage keys, workspaces, presets and credits; see Phaseo CLI (#618, #562).
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Product

  • Chat shows request errors inline under the failed reply, and the composer offers prompt cards that fill in common evaluation and productivity prompts (#691).
  • Settings splits Activity and Usage into Observability pages for Overview, Trends, Explore, Guardrails and Logs (#693).

API & SDKs

  • Server tools add web search, web fetch, Advisor, image generation, apply patch and datetime to Chat Completions, Responses and Messages requests, billed per use; see Server Tools (#690).
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Product

  • New accounts start at Onboarding, a three-step guide to create an API key, choose a model and preview a first request (#689).

API & SDKs

  • Breaking: GET /v1/models is now the only model discovery endpoint; /v1/gateway/models and /v1/data/models are removed, so call /v1/models instead; see List models (#681).
  • The management API adds /v1/presets, /v1/settings, /v1/guardrails and /v1/management-keys, and GET /v1/me returns the user and workspace behind an OAuth token (#562).
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Product

  • The Monitor page lists model additions, provider additions and provider status changes as separate events, and the footer links to it under Explore (#678, #679).
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Product

  • Model page lifecycle cards show each announcement, release, deprecation and retirement date with a relative time badge that gives the exact gap on hover (#671).
  • New Methodology pages explain how Phaseo calculates model pricing, measures latency and throughput, normalises benchmarks and tracks provider availability (#639).
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Product

  • Model pages now open at the top; before, opening one from far down the models list kept the list’s scroll position (#631).
  • The models list sorts by release or announcement date again; before, some older models such as Whisper 1 appeared first with a 2026 date (#632).
  • Buying credits works again for workspaces with a missing or invalid saved Stripe customer; before, checkout could fail to start (#633).
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Product

  • Model pages can show an info, warning or critical notice above the model header, for example about access limits or retirements (#624).
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Product

  • The model page Quickstart has two steps, getting an API key and copying a ready request, and clicking an accepted model ID now updates the sample (#556, #619).
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Product

  • Chat shows which provider answered each reply, and the model picker groups models by release month with favourites in their own section (#610).
  • Chat warns when a saved chat uses a deprecated model and switches to its successor when the catalogue lists one (#610).

API & SDKs

  • Text requests now reach providers that support only one of the Responses, Chat Completions or Messages endpoints, instead of failing as unsupported (#610).
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Product

  • The docs changelog combines product, SDK and model release notes in a single timeline instead of separate pages (#588).
Last modified on October 28, 2026