[runwayml-machine-account]

Automated Release PR

5.25.0 (2026-10-23)

Features

• add Grok Imagine Video 1.5 Lite and Eleven v4 text-to-speech models (a209ca7)
• add Grok Imagine Video 1.5 Lite and Eleven v4 text-to-speech models (b06d2a7)
• add Ideogram 4.0 and 4.5 text-to-image models (f31e34c)
• add image generation options (2a755a9)
• add Kling 4.0 video generation (5d05df3)
• add Nano Banana 2 Lite and expand image and video model support (5f5ae46)
• add new models, image options, and audit-log actions (856ccb5)
• add Seedance and Veo generation options (da970e1)
• add video-to-audio and newly released image and audio models (a12ad7f)
• api: Act Two, credit usage endpoints (b5d91f4)
• api: Add 720p t2i ratios (d656a86)
• api: add ad_localization recipe (f811a02)
• api: add avatar_videos resource (7714544)
• api: add avatar, voice, document, and realtime session endpoints (f3ec931)
• api: Add document update endpoint (a5bc2f5)
• api: Add Gemini 2.5 Flash Image to t2i (f1140b4)
• api: Add gen4_image_turbo model (0b8d04a)
• api: add magnific video upscale model (03a4f4c)
• api: add Model Router CRUD and routed video generation (f4993f9)
• api: add Model Router image and audio generation (977e14f)
• api: Add new avatar and voice routes (928fb0a)
• api: add outpaint support for Aleph 2.0 (698b037)
• api: add outputCount and quality to marketing stock image (94d0b60)
• api: add realtime session external integrations (b6259be)
• api: add seed_audio model (3211c0f)
• api: add seedance2_mini and gemini_omni_flash models (f5b4fe0)
• api: Add speech to speech (dd1356d)
• api: add tools parameter to realtime sessions (50cd31b)
• api: add Video to HDR (2593403)
• api: Add video upscale endpoint (0b8a28d)
• api: add workflow invocation polling support (c5b37a3)
• api: add workflows and workflow invocations resources (c88d978)
• api: Added speech to speech (7c68d93)
• api: Additional i2v durations (cd8e4ae)
• api: Aleph2 (07e3079)
• api: api update (8abeb47)
• api: api update (0498ae3)
• api: Autogen spec updates (42e4d4b)
• api: Awaitability on new resources (4884f17)
• api: Deprecate v2v ratio (d10a813)
• api: document product_ad 2026-07 (3ae44e9)
• api: expose generate image and audio endpoints (2923245)
• api: gemini 3 pro (5f256e3)
• api: gemini_3_pro t2i (ec8451a)
• api: Gen-4 Aleph (697a42d)
• api: Gen-4 Image (text-to-image) support (8adcf96)
• api: Gen-4.5 t2v+i2v (5dc5ee3)
• api: gpt_image_2 (ac0aff5)
• api: Image upscale endpoint (52bfaef)
• api: manual updates (3192de4)
• api: manual updates (8260d84)
• api: Recipes, aleph2 range (5bdd682)
• api: Remove unreleased model (514d82c)
• api: Resolve missing prompt_image unions (fb77dfd)
• api: Revert G3P changes (ca26ad1)
• api: SD2, HH1 (d357d05)
• api: SDK updates, contentModeration for i2v (b8eae14)
• api: Seedance 2.5 1080p, Grok Imagine Video 1.5, Grok Imagine Image 2 (3114b00)
• api: seedance2 (fbd1da5)
• api: seedance2_fast (6fbc91a)
• api: Seedream 5 Pro/Lite + negativePrompt for Veo models (00dbdbb)
• api: Sound effects endpoint (c2d50e8)
• api: stlc build onto staging next (e70cec6)
• api: Sunset upscale endpoint (6382aa6)
• api: Support ephemeral uploads (c409e80)
• api: Text to Speech update (f43a2a2)
• api: Update discriminated union schema (7e9cf73)
• api: Update OpenAPI copy for asset URL and media field descriptions (579071c)
• api: Update t2v parameters (5acc600)
• api: Update with gen4_turbo, org endpoint (#135) (ed93b02)
• api: Veo 3.1 and Veo 3.1 Fast (2ae720c)
• api: Veo3 integration (643286c)
• api: veo3.1 audio parameter (ea4df5e)
• api: Voice dubbing and isolation (88546e1)
• clean up environment call outs (5d655a1)
• client: add custom JSON encoder for extended type support (8432c1b)
• client: add follow_redirects request option (9c7fd39)
• client: add generate.video.preview for dry-run routing (36dfaa8)
• client: add recipe endpoints to config (0763a47)
• client: add support for aiohttp (e2970b3)
• client: add support for binary request streaming (6415246)
• client: allow passing NotGiven for body (#98) (cf33f85)
• client: awaitable task support for seedance2 (196c1f2)
• client: Make recipes waitable (cebfd51)
• client: Make t2s awaitable (3b31a81)
• client: Make t2v waitable (508b8a6)
• client: make video to hdr waitable (fc3c44d)
• client: make video upscale waitable (dde0401)
• client: Resolve i2v overload return type conflict (b75f508)
• client: Resolve t2v overload return type conflict (57f32c1)
• client: send X-Stainless-Read-Timeout header (#87) (d7ee452)
• client: support file upload requests (de2d559)
• docs: Update docs URL (0a898e0)
• improve future compat with pydantic v3 (bbcd5f0)
• initial stlc build (948957a)
• internal/types: support eagerly validating pydantic iterators (c5a8625)
• internal: implement indices array format for query and form serialization (2d5d73c)
• polling: add wait_for_task_output to avatar_videos.create (3787f6a)
• readme: Fix for readme example (b461b24)
• readme: gen4_turbo ratio (be8ce16)
• support setting headers via env (f5f47db)
• types: replace List[str] with SequenceNotStr in params (bbb3056)

Bug Fixes

• add back missing docstrings (#73) (3539944)
• api: Add missing 1080p sizes (6f694d7)
• api: Fix bad extra param (e067b93)
• api: Fix for parameters with missing descriptions (58ac3d1)
• api: Make ratio a required parameter for i2v (397e939)
• api: Remove invalid 4.5 i2v ratio (a1ae378)
• api: remove range param (84ea47e)
• api: remove spurious api param (6e9a172)
• api: update the right config file this time (d106617)
• asyncify on non-asyncio runtimes (#96) (19ff54b)
• avoid newer type syntax (1d1a136)
• cap media data URIs at 5MB (fdbef03)
• ci: also publish on v* tag push (f351d01)
• ci: ensure pip is always available (#123) (e04889b)
• ci: publish on v* tag if release event is skipped (793cd5e)
• ci: release-doctor — report correct token name (8a6ecc9)
• ci: remove publishing patch (#125) (556b576)
• client: add missing f-string prefix in file type error message (3372047)
• client: Awaitable image upscale also (e04e76d)
• client: close streams without requiring full consumption (396bab0)
• client: correctly parse binary response | stream (4f2c904)
• client: don't send Content-Type header on GET requests (d9829ef)
• client: drop dry_run from generate.video tests (d6f15b4)
• client: drop duplicate generate/routers properties (921d161)
• client: drop generate.video dry-run/preview from SDK surface (cffbdff)
• client: Fix types for gpt_image_2 (15c92d2)
• client: include every overload's type in union method implementation signatures (b4cbc86)
• client: make generate.image and generate.audio responses awaitable (d75ff25)
• client: make generate.video responses awaitable (0105f66)
• client: make grok_imagine_1_5 and grok_imagine_image_2 responses awaitable (260bf34)
• client: make grok_imagine_1_5_lite and eleven_v4 responses awaitable (e61bafe)
• client: make hailuo3, seedance2_5, eleven_v3 responses awaitable (ac2f400)
• client: Make SD2 and HH1 awaitable for task output (1279eb1)
• client: Make sd2_fast responses awaitable (34545b9)
• client: make seedream5_pro and seedream5_lite responses awaitable (a5ca664)
• client: mark some request bodies as optional (cf33f85)
• client: only call .close() when needed (#69) (b571a37)
• client: preserve hardcoded query params when merging with user params (8d5867e)
• client: restore Client/AsyncClient aliases (012203a)
• client: restore waitable wraps and uploads after stlc cutover (a6d5107)
• client: type dry_run separately from waitable generate.video (b127e0f)
• client: Update generated types for 4.5 t2v (2036064)
• client: Updating typing for awaitable task output (ca33f3e)
• compat with Python 3.14 (095b623)
• compat: update signatures of model_dump and model_dump_json for Pydantic v1 (3af013e)
• correctly handle deserialising cls fields (#71) (9d0415e)
• deps: bump minimum typing-extensions version (d06b50b)
• docs: fix confusing example in README (aa153b7)
• ensure file data are only sent as 1 parameter (d0250c9)
• ensure streams are always closed (ccd7582)
• package: support direct resource imports (f317064)
• parsing: correctly handle nested discriminated unions (d073ce5)
• parsing: ignore empty metadata (7f2ba59)
• parsing: parse extra field types (2a4c2fb)
• perf: optimize some hot paths (f8ab3dc)
• perf: skip traversing types for NotGiven values (237b122)
• preserve waitable create response types (#2) (e05746a)
• pydantic v1: more robust ModelField.annotation check (957da1d)
• pydantic: do not pass by_alias unless set (bae255f)
• restore waitable Video-to-HDR responses (#3) (d36c0c8)
• sanitize endpoint path params (fea5aeb)
• tests: fix: tests which call HTTP endpoints directly with the example parameters (e537920)
• tests: make test_get_platform less flaky (#75) (b30e8dd)
• types: allow pyright to infer TypedDict types within SequenceNotStr (b31359f)
• types: handle more discriminated union shapes (#121) (a990f97)
• use async_to_httpx_files in patch method (423a2e9)
• use correct field name format for multipart file arrays (8b77fe0)
• use pixel output ratios for Kling 4 (e4fdbf3)

Performance Improvements

• client: optimize file structure copying in multipart requests (00138cf)

Reverts

• reset generated Python SDK update (d865a54)

Chores

• add missing docstrings (7d03777)
• add missing isclass check (#64) (f256a1e)
• add Python 3.14 classifier and testing (db7dc97)
• broadly detect json family of content-type headers (070f14c)
• bump httpx-aiohttp version to 0.1.9 (1a1e79d)
• ci: change upload type (781f257)
• ci: fix installation instructions (a04350d)
• ci: upload sdks to package manager (23f0756)
• client: lint (31115a4)
• client: minor internal fixes (753d041)
• deps: mypy 1.18.1 has a regression, pin to 1.17 (79af545)
• do not install brew dependencies in ./scripts/bootstrap by default (8807218)
• docs: add missing descriptions (091cf69)
• docs: grammar improvements (64d2f47)
• docs: remove reference to rye shell (c3cbbcb)
• docs: remove unnecessary param examples (95daffd)
• docs: update client docstring (#108) (4488232)
• docs: use environment variables for authentication in code snippets (eb0bfd3)
• fix typos (#129) (030f1f5)
• format all api.md files (00df87c)
• internal/tests: avoid race condition with implicit client cleanup (d97d594)
• internal: add --fix argument to lint script (e63518a)
• internal: add missing files argument to base client (0937c18)
• internal: add request options to SSE classes (0469b37)
• internal: add Sequence related utils (cd75f18)
• internal: align waitable overload return types (fb3e261)
• internal: allow the mock server port to be set with STAINLESS_MOCK_PORT (f72b548)
• internal: avoid errors for isinstance checks on proxies (a549b98)
• internal: avoid pytest-asyncio deprecation warning (#76) (f8c2751)
• internal: base client updates (5536587)
• internal: bummp ruff dependency (#83) (8da90d9)
• internal: bump dependencies (2151f91)
• internal: bump pinned h11 dep (40dcd1e)
• internal: bump pyright version (19ba0b7)
• internal: bump rye to 0.44.0 (#120) (78ba2a8)
• internal: change default timeout to an int (#82) (8c398c1)
• internal: codegen related update (7615ded)
• internal: codegen related update (6c0a9af)
• internal: codegen related update (#119) (e0dbeba)
• internal: codegen related update (#52) (135f6c7)
• internal: codegen related update (#54) (384b2bd)
• internal: codegen related update (#55) (c9f657f)
• internal: codegen related update (#56) (9e7caf7)
• internal: codegen related update (#61) (92ce6ec)
• internal: codegen related update (#67) (2fe6f16)
• internal: codegen related update (#70) (6614644)
• internal: codegen related update (#72) (ae10429)
• internal: detect missing future annotations with ruff (4435887)
• internal: fix devcontainers setup (#101) (e8bee5f)
• internal: fix lint error on Python 3.14 (8f89b0a)
• internal: fix list file params (2b34ee6)
• internal: fix ruff target version (e625c37)
• internal: fix some typos (#58) (9e05dbb)
• internal: fix type traversing dictionary params (#90) (32f577b)
• internal: grammar fix (it's -> its) (fd460e8)
• internal: import reformatting (8d660d9)
• internal: make test_proxy_environment_variables more resilient (b89ebc1)
• internal: make test_proxy_environment_variables more resilient to env (3766ee8)
• internal: make new model overloads return waitable responses (05eef19)
• internal: make new model overloads return waitable responses (3db312b)
• internal: make new model overloads return waitable responses (5da0e7e)
• internal: minor formatting changes (ccf63c5)
• internal: minor formatting changes (#80) (a107722)
• internal: minor style changes (#78) (7c08094)
• internal: minor type handling changes (#92) (781985e)
• internal: more robust bootstrap script (f0e9836)
• internal: move mypy configurations to pyproject.toml file (7b2a94b)
• internal: properly set pydantic_private (#104) (a1a556d)
• internal: refactor retries to not use recursion (110df70)
• internal: reformat pyproject.toml (1427178)
• internal: remove extra empty newlines (#117) (d7fcc97)
• internal: remove trailing character (#132) (739bab4)
• internal: remove unused http client options forwarding (#111) (a39daed)
• internal: slight transform perf improvement (#134) (bee21c7)
• internal: update client tests (#94) (a7321f1)
• internal: update comment in script (057a47d)
• internal: update conftest.py (a83b9db)
• internal: update gitignore (8036b25)
• internal: update models test (8f80881)
• internal: update pydantic dependency (ca23665)
• internal: update pyright exclude list (a76442d)
• internal: update pyright settings (af61699)
• local reseal after client.uploads + generate/routers fix (5dbc00b)
• openapi: keep generate.video SDK schema task-only (5274cc0)
• package: drop Python 3.8 support (2b01dac)
• package: mark python 3.13 as supported (6b979e5)
• project: add settings file for vscode (b6d4c0c)
• readme: fix version rendering on pypi (d1f7f18)
• readme: update badges (f41bc9d)
• regenerate SDKs from dev-docs main (e7d3340)
• reject unknown router and Veo fields (721cbba)
• speedup initial import (eedddbc)
• test: do not count install time for mock server timeout (05ea757)
• tests: add tests for httpx client instantiation & proxies (96dd00b)
• tests: bump steady to v0.19.4 (35ff4cb)
• tests: bump steady to v0.19.5 (ec65f54)
• tests: bump steady to v0.19.6 (e1e7701)
• tests: bump steady to v0.19.7 (1eccf98)
• tests: bump steady to v0.20.1 (6910f0c)
• tests: bump steady to v0.20.2 (37f35fa)
• tests: bump steady to v0.22.1 (2887803)
• tests: run tests in parallel (af8fa5c)
• tests: simplify get_platform test (03ca12d)
• tests: skip some failing tests on the latest python versions (7963544)
• trim dry-run/preview noise from 5.11.0 changelog (ace0971)
• types: change optional parameter type from NotGiven to Omit (dad4444)
• update @stainless-api/prism-cli to v5.15.0 (2ca5dc9)
• update lockfile (23d1b99)
• update mock server docs (2ed967f)

Documentation

• client: fix httpx.Timeout documentation reference (1b16953)
• expand 5.14.0 changelog with customer-facing API surface (48b74ee)
• expand 5.15.0 changelog with customer-facing API surface (746dd8e)
• expand 5.16.0 changelog with customer-facing API surface (5a2ca45)
• improve 5.20.1 release notes (c58f108)
• improve 5.21.0 release notes (62c70b5)
• improve 5.22.0 release notes (2441a2f)
• improve 5.24.0 release notes (8ed4389)
• raw responses: fix duplicate the (#74) (0434bae)
• readme: example snippet for client context manager (#57) (a9395ad)
• update URLs from stainlessapi.com to stainless.com (#107) (610a137)

Refactors

• introduce dedicated error types for workflow invocation polling (978aa80)
• tests: switch from prism to steady (30576ef)

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