# Change history: Model Catalog

[← Changelog](/docs/changelog). Entries: 18.

- 2026-09-16 [NEW-0916-19: model catalog: capability filter for Cowork/Code keys](/docs/changelog/2026-09-16#new-0916-19-model-catalog-capability-filter-for-cowork-code-keys)
- 2026-09-14 [BC-0914-19: the chat model field no longer matches models by substring](/docs/changelog/2026-09-14#bc-0914-19-the-chat-model-field-no-longer-matches-models-by-substring)
- 2026-09-14 [NEW-0914-22: reasoning from earlier responses in the chat completion history](/docs/changelog/2026-09-14#new-0914-22-reasoning-from-earlier-responses-in-the-chat-completion-history)
- 2026-09-14 [FIX-0914-24: the default reasoning step is sent to the model explicitly](/docs/changelog/2026-09-14#fix-0914-24-the-default-reasoning-step-is-sent-to-the-model-explicitly)
- 2026-09-03 [NEW-0903-1: `GET /v1/models` exposes the reasoning control declaration](/docs/changelog/2026-09-03#new-0903-1-get-v1-models-exposes-the-reasoning-control-declaration)
- 2026-08-12 [NEW-0812-7: the machine schema now describes the live app, AI and telephony methods](/docs/changelog/2026-08-12#new-0812-7-the-machine-schema-now-describes-the-live-app-ai-and-telephony-methods)
- 2026-08-10 [NEW-0810-16: agent model bitrix/bitrixgpt-5.6-agent](/docs/changelog/2026-08-10#new-0810-16-agent-model-bitrix-bitrixgpt-5-6-agent)
- 2026-08-10 [NEW-0810-17: bitrix/bitrixgpt-5.5-agent is deprecated](/docs/changelog/2026-08-10#new-0810-17-bitrix-bitrixgpt-5-5-agent-is-deprecated)
- 2026-08-10 [FIX-0810-18: a transient database transaction failure no longer returns 500 with an internal engine code](/docs/changelog/2026-08-10#fix-0810-18-a-transient-database-transaction-failure-no-longer-returns-500-with-an-internal-engine-code)
- 2026-08-07 [FIX-0807-18: a file in a CRM field no longer hits the 1 MB wall, and the refusal code is documented](/docs/changelog/2026-08-07#fix-0807-18-a-file-in-a-crm-field-no-longer-hits-the-1-mb-wall-and-the-refusal-code-is-documented)
- 2026-07-25 [NEW-0725-2: model calls with a short-lived token issued to a partner system](/docs/changelog/2026-07-25#new-0725-2-model-calls-with-a-short-lived-token-issued-to-a-partner-system)
- 2026-07-14 [FIX-0714-2: Generic 5xx errors on AI endpoints now use the OpenAI-compatible envelope](/docs/changelog/2026-07-14#fix-0714-2-generic-5xx-errors-on-ai-endpoints-now-use-the-openai-compatible-envelope)
- 2026-07-08 [NEW-0708-4: GET /v1/models/:id now reports a retired model's successor price and a replaced_by field](/docs/changelog/2026-07-08#new-0708-4-get-v1-models-id-now-reports-a-retired-model-s-successor-price-and-a-replaced_by-field)
- 2026-07-06 [NEW-0706-1: pricing.perCall and pricing.perMinute fields in the model catalog](/docs/changelog/2026-07-06#new-0706-1-pricing-percall-and-pricing-perminute-fields-in-the-model-catalog)
- 2026-07-06 [FIX-0706-3: Over-quota AI usage is charged at the model's base catalog price](/docs/changelog/2026-07-06#fix-0706-3-over-quota-ai-usage-is-charged-at-the-model-s-base-catalog-price)
- 2026-07-06 [NEW-0706-4: The bitrix/embeddings model is available in the API](/docs/changelog/2026-07-06#new-0706-4-the-bitrix-embeddings-model-is-available-in-the-api)
- 2026-06-24 [NEW-0624-9: bitrix/embeddings text embeddings endpoint](/docs/changelog/2026-06-24#new-0624-9-bitrix-embeddings-text-embeddings-endpoint)
- 2026-06-22 [BC-0622-2: model list contains only GA models](/docs/changelog/2026-06-22#bc-0622-2-model-list-contains-only-ga-models)