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ai

7.0.129108M downloads/movercel/ai ↗New releases in your daily digest, changelog included.

AI SDK by Vercel - build apps like ChatGPT, Claude, Gemini, and more with a single interface for any model using the Vercel AI Gateway or go direct to OpenAI, Anthropic, Google, or any other model provider.

Last release today
06 Oct 2026
Ships on a steady schedule
a new release about every 8 days
Some releases are documented
notes for 27 of the last 60 stable releases
Nothing withdrawn
no release was ever pulled
13 years old
1572 releases · first in 2014

Release timeline

1572 releases since 2014

2014201620182020

Releases

5.0.0-beta.108 Jul 2025pre-release
2b637d6: chore (ai): rename UIMessageStreamPart to UIMessageChunk
Major Changes

2b637d6: chore (ai): rename UIMessageStreamPart to UIMessageChunk

Patch Changes

16ccfb2: feat (ai): add readUIMessageStream helper

90ca2b9: feat(ai): Record tool call errors on tool call spans recorded in generateText and streamText.

af1d5a5: fix(ai): Unexpected reasoning-start event in extract reasoning middleware
Open source →
5.0.0-beta.97 Jul 2025pre-release
86cfc72: feat (ai): add ignoreIncompleteToolCalls option to convertToModelMessages
Patch Changes

86cfc72: feat (ai): add ignoreIncompleteToolCalls option to convertToModelMessages
Open source →

One column per quarter.

5.0.0-beta.87 Jul 2025pre-release

6909543: feat (ai): support system parameter in Agent constructor

Patch Changes

6909543: feat (ai): support system parameter in Agent constructor
c8fce91: feat (ai): add experimental Agent abstraction
9121250: Expose provider metadata as an attribute on exported OTEL spans
Updated dependencies [97fedf9]
- @ai-sdk/gateway@1.0.0-beta.4

Open source →

5.0.0-beta.73 Jul 2025pre-release

60132dd: fixed date formatting for updated mcp protocol version

Patch Changes

60132dd: fixed date formatting for updated mcp protocol version

Open source →

5.0.0-beta.62 Jul 2025pre-release

143c55b: feat (ai): export Chat callback types

Patch Changes

143c55b: feat (ai): export Chat callback types
f04ffe4: feat (ui): add onData callback to Chat
97c35c0: feat (ui): transient data parts
fccf75c: update mcp protocol version

Open source →

5.0.0-beta.51 Jul 2025pre-release

4f3e637: fix (ui): avoid caching globalThis.fetch in case it is patched by other libraries

Patch Changes

4f3e637: fix (ui): avoid caching globalThis.fetch in case it is patched by other libraries

Open source →

5.0.0-beta.41 Jul 2025pre-release

09f41ac: fix (ui): add message metadata in Chat.sendMessage

Patch Changes

09f41ac: fix (ui): add message metadata in Chat.sendMessage

Open source →

5.0.0-beta.328 Jun 2025pre-release

### Patch Changes - Updated dependencies - @ai-sdk/gateway@1.0.0-beta.3

Patch Changes

Updated dependencies
- @ai-sdk/gateway@1.0.0-beta.3

Open source →

5.0.0-beta.227 Jun 2025pre-release

0d9583c: fix (ai): use user-provided media type when available

Patch Changes

0d9583c: fix (ai): use user-provided media type when available
c6b64a7: feat (ai): allow async prepareRequest on HttpChatTransport
cb3b9c9: fix (ai): catch errors in ui message stream
d1a034f: feature: using Zod 4 for internal stuff
Updated dependencies
- @ai-sdk/provider-utils@3.0.0-beta.2
- @ai-sdk/gateway@1.0.0-beta.2

Open source →

5.0.0-beta.124 Jun 2025pre-release

9ad0484: feat (ai): automatic tool execution error handling

Major Changes

9ad0484: feat (ai): automatic tool execution error handling

Patch Changes

d88455d: feat (ai): expose http chat transport type
4048ce3: fix (ai): add tests and examples for openai responses
f2b041e: Fix custom fetch in HttpChatTransport
cb68df0: feat: add transcription and speech model support to provider registry
26695a3: feat (ui): add state for text and reasoning ui message parts
e7d2ce3: feat: provider-executed tools
102b066: fix (ai): fix invalid fetch call
e862b5b: feat (ai): allow sync tool.execute
7bd025b: fix (ai): fix sync tool execute with streamText
Updated dependencies
- @ai-sdk/provider@2.0.0-beta.1
- @ai-sdk/provider-utils@3.0.0-beta.1
- @ai-sdk/gateway@1.0.0-beta.1

Open source →

5.0.0-alpha.1518 Jun 2025pre-release

04d5063: chore (ai): rename default provider global to AI_SDK_DEFAULT_PROVIDER

Major Changes

04d5063: chore (ai): rename default provider global to AI_SDK_DEFAULT_PROVIDER
b4b4bb2: chore (ui): rename experimental_resume to resumeStream
d884051: feat (ai): simplify default provider setup
954aa73: feat (ui): extended regenerate support
60e2c56: feat (ai): restructure chat transports

Patch Changes

b1e3abd: feat (ai): expose ui message stream headers
142576e: feat (ui): support message replacement in chat via messageId param on sendMessage
395c85e: feat (ai): add consumeSseStream option to UI message stream responses
Updated dependencies
- @ai-sdk/provider@2.0.0-alpha.15
- @ai-sdk/provider-utils@3.0.0-alpha.15
- @ai-sdk/gateway@1.0.0-alpha.15

Open source →

5.0.0-alpha.1416 Jun 2025pre-release

63f9e9b: chore (provider,ai): tools have input/output instead of args,result

Major Changes

63f9e9b: chore (provider,ai): tools have input/output instead of args,result

Patch Changes

Updated dependencies
- @ai-sdk/provider@2.0.0-alpha.14
- @ai-sdk/gateway@1.0.0-alpha.14
- @ai-sdk/provider-utils@3.0.0-alpha.14

Open source →

5.0.0-alpha.1313 Jun 2025pre-release

0a710d8: feat (ui): typed tool parts in ui messages

Major Changes

0a710d8: feat (ui): typed tool parts in ui messages
6a83f7d: refactoring (ai): restructure message metadata transfer
1f55c21: chore (ai): send reasoning to the client by default
33eb499: feat (ai): inject message id in createUIMessageStream
901df02: feat (ui): use UI_MESSAGE generic

Patch Changes

Updated dependencies [68ecf2f]
- @ai-sdk/provider@2.0.0-alpha.13
- @ai-sdk/gateway@1.0.0-alpha.13
- @ai-sdk/provider-utils@3.0.0-alpha.13

Open source →

5.0.0-alpha.1211 Jun 2025pre-release

4892798: chore (ai): always stream tool calls

Major Changes

4892798: chore (ai): always stream tool calls

Patch Changes

da1e6f0: feat (ui): add generics to ui message stream parts
Updated dependencies [e2aceaf]
- @ai-sdk/gateway@1.0.0-alpha.12
- @ai-sdk/provider@2.0.0-alpha.12
- @ai-sdk/provider-utils@3.0.0-alpha.12

Open source →

5.0.0-alpha.1110 Jun 2025pre-release

e8324c5: feat (ai): add args callbacks to tools

Major Changes

e8324c5: feat (ai): add args callbacks to tools

Patch Changes

Updated dependencies [c1e6647]
- @ai-sdk/provider@2.0.0-alpha.11
- @ai-sdk/gateway@1.0.0-alpha.11
- @ai-sdk/provider-utils@3.0.0-alpha.11

Open source →

5.0.0-alpha.106 Jun 2025pre-release

98f25e5: chore (ui): remove managed chat inputs

Major Changes

98f25e5: chore (ui): remove managed chat inputs
7bb58d4: chore (ai): restructure prepareRequest

Patch Changes

Updated dependencies [c4df419]
- @ai-sdk/provider@2.0.0-alpha.10
- @ai-sdk/gateway@1.0.0-alpha.10
- @ai-sdk/provider-utils@3.0.0-alpha.10

Open source →

5.0.0-alpha.95 Jun 2025pre-release

9ae327d: chore (ui): replace chat store concept with chat instances

Major Changes

9ae327d: chore (ui): replace chat store concept with chat instances

Patch Changes

8255639: ### Fix use with Google APIs + zod v4's .literal() schema

Before zod@3.25.49, requests to Google's APIs failed due to a missing type in the provided schema. The problem has been resolved for the ai SDK by bumping our zod peer dependencies to ^3.25.49.

pull request: https://github.com/vercel/ai/pull/6609
Updated dependencies
- @ai-sdk/gateway@1.0.0-alpha.9
- @ai-sdk/provider@2.0.0-alpha.9
- @ai-sdk/provider-utils@3.0.0-alpha.9

Open source →

5.0.0-alpha.82 Jun 2025pre-release

c25cbce: feat (ai): use console.error as default error handler for streamText and streamObject

Major Changes

c25cbce: feat (ai): use console.error as default error handler for streamText and streamObject

Patch Changes

4fef487: feat: support for zod v4 for schema validation

All these methods now accept both a zod v4 and zod v3 schemas for validation:
- generateObject()
- streamObject()
- generateText()
- experimental_useObject() from @ai-sdk/react
- streamUI() from @ai-sdk/rsc
6b1c55c: feat (ai): introduce GLOBAL_DEFAULT_PROVIDER
2e4f9e4: feat (ai): improved error messages when using gateway
Updated dependencies
- @ai-sdk/provider-utils@3.0.0-alpha.8
- @ai-sdk/provider@2.0.0-alpha.8
- @ai-sdk/gateway@1.0.0-alpha.8

Open source →

5.0.0-alpha.728 May 2025pre-release

db345da: chore (ai): remove exports of internal ui functions

Major Changes

db345da: chore (ai): remove exports of internal ui functions
247ee0c: chore (ai): remove steps from tool invocation ui parts

Patch Changes

9b0da33: fix (ai): do not send id with start unless specified
Updated dependencies [5c56081]
- @ai-sdk/provider@2.0.0-alpha.7
- @ai-sdk/gateway@1.0.0-alpha.7
- @ai-sdk/provider-utils@3.0.0-alpha.7

Open source →

5.0.0-alpha.628 May 2025pre-release

0d2c085: feat (ai): support string model ids through gateway

Patch Changes

0d2c085: feat (ai): support string model ids through gateway
48a7606: feat (ai): support changing the system prompt in prepareSteps
Updated dependencies
- @ai-sdk/provider@2.0.0-alpha.6
- @ai-sdk/gateway@1.0.0-alpha.6
- @ai-sdk/provider-utils@3.0.0-alpha.6

Open source →

5.0.0-alpha.527 May 2025pre-release

ef256ed: chore (ai): refactor and use chatstore in svelte

Major Changes

ef256ed: chore (ai): refactor and use chatstore in svelte
1ed0287: chore (ai): stable sendStart/sendFinish options

Patch Changes

655cf3c: feat (ui): add onFinish to createUIMessageStream
1675396: fix: avoid job executor deadlock when adding tool result
cf9af6e: feat (ai): allow sync prepareStep
825e8d7: release alpha.5
7324c21: fix (ai/telemetry): Avoid JSON.stringify on Uint8Arrays for telemetry

Open source →

5.0.0-alpha.423 May 2025pre-release

72d7d72: chore (ai): stable activeTools

Major Changes

72d7d72: chore (ai): stable activeTools
9315076: chore (ai): rename continueUntil to stopWhen. Rename maxSteps stop condition to isStepCount.

Patch Changes

b32c141: feat (ai): add array support to stopWhen
7d97ab6: release alpha.4
37a916d: feat (ai): add prepareSteps to streamText
5f2b3d4: chore (ai): stable prepareStep
Updated dependencies [dc714f3]
- @ai-sdk/provider@2.0.0-alpha.4
- @ai-sdk/provider-utils@3.0.0-alpha.4

Open source →

5.0.0-alpha.320 May 2025pre-release

ab7ccef: chore (ai): change source ui message parts to source-url

Major Changes

ab7ccef: chore (ai): change source ui message parts to source-url
257224b: chore (ai): separate TextStreamChatTransport
0463011: fix (ai): update source url stream part
d306260: feat (ai): replace maxSteps with continueUntil (streamText)

Patch Changes

Updated dependencies [6b98118]
- @ai-sdk/provider@2.0.0-alpha.3
- @ai-sdk/provider-utils@3.0.0-alpha.3

Open source →

5.0.0-alpha.217 May 2025pre-release

82aa95d: fix (ai): merge data ui stream parts correctly

Patch Changes

82aa95d: fix (ai): merge data ui stream parts correctly
Updated dependencies [26535e0]
- @ai-sdk/provider@2.0.0-alpha.2
- @ai-sdk/provider-utils@3.0.0-alpha.2

Open source →

5.0.0-alpha.116 May 2025pre-release

109c0ac: chore (ai): rename id to chatId (in post request, resume request, and useChat)

Major Changes

109c0ac: chore (ai): rename id to chatId (in post request, resume request, and useChat)