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option(ellmer_verbosity) is no longer supported;
instead use the standard httr2 verbosity functions, such as
httr2::with_verbosity(); these now support streaming
data.
chat_cortex() has been renamed
chat_cortex_analyst() to better disambiguate it from
chat_snowflake() (which also uses “Cortex”) (#275,
@atheriel).
All providers now wait for up to 60s to get the complete
response. You can increase this with, e.g.,
option(ellmer_timeout_s = 120) (#213, #300).
chat_azure(), chat_databricks(),
chat_snowflake(), and chat_cortex_analyst()
now detect viewer-based credentials when running on Posit Connect (#285,
@atheriel).
chat_deepseek() provides support for DeepSeek models
(#242).
chat_openrouter() provides support for models hosted
by OpenRouter (#212).
chat_snowflake() allows chatting with models hosted
through Snowflake’s Cortex
LLM REST API (#258, @atheriel).
content_pdf_file() and
content_pdf_url() allow you to upload PDFs to supported
models. Models that currently support PDFs are Google Gemini and Claude
Anthropic. With help from @walkerke and @andrie (#265).
Chat$get_model() returns the model name
(#299).
chat_azure() has greatly improved support for Azure
Entra ID. API keys are now optional and we can pick up on ambient
credentials from Azure service principals or attempt to use interactive
Entra ID authentication when possible. The broken-by-design
token argument has been deprecated (it could not handle
refreshing tokens properly), but a new credentials argument
can be used for custom Entra ID support when needed instead (for
instance, if you’re trying to use tokens generated by the
AzureAuth package) (#248, #263, #273, #257, @atheriel).
chat_azure() now reports better error messages when
the underlying HTTP requests fail (#269, @atheriel). It now also defaults to
api_version = "2024-10-21" which includes data for
structured data extraction (#271).
chat_bedrock() now handles temporary IAM credentials
better (#261, @atheriel) and chat_bedrock()
gains api_args argument (@billsanto, #295).
chat_databricks() now handles the
DATABRICKS_HOST environment variable correctly whether it
includes an HTTPS prefix or not (#252, @atheriel). It also respects the
SPARK_CONNECT_USER_AGENT environment variable when making
requests (#254, @atheriel).
chat_gemini() now defaults to using the
gemini-2.0-flash model.
print(Chat) no longer wraps long lines, making it
easier to read code and bulleted lists (#246).
New chat_vllm() to chat with models served by vLLM
(#140).
The default chat_openai() model is now
GPT-4o.
New Chat$set_turns() to set turns.
Chat$turns() is now Chat$get_turns().
Chat$system_prompt() is replaced with
Chat$set_system_prompt() and
Chat$get_system_prompt().
Async and streaming async chat are now event-driven and use
later::later_fd() to wait efficiently on curl socket
activity (#157).
New chat_bedrock() to chat with AWS bedrock models
(#50).
New chat$extract_data() uses the structured data API
where available (and tool calling otherwise) to extract data structured
according to a known type specification. You can create specs with
functions type_boolean(), type_integer(),
type_number(), type_string(),
type_enum(), type_array(), and
type_object() (#31).
The general ToolArg() has been replaced by the more
specific type_*() functions. ToolDef() has
been renamed to tool.
content_image_url() will now create inline images
when given a data url (#110).
Streaming ollama results works once again (#117).
Streaming OpenAI results now capture more results, including
logprops (#115).
New interpolate() and prompt_file()
make it easier to create prompts that are a mix of static text and
dynamic values.
You can find how many tokens you’ve used in the current session
by calling token_usage().
chat_browser() and chat_console() are
now live_browser() and
live_console().
The echo can now be one of three values: “none”,
“text”, or “all”. If “all”, you’ll now see both user and assistant
turns, and all content types will be printed, not just text. When
running in the global environment, echo defaults to “text”,
and when running inside a function it defaults to “none”.
You can now log low-level JSON request/response info by setting
options(ellmer_verbosity = 2).
chat$register_tool() now takes an object created by
Tool(). This makes it a little easier to reuse tool
definitions (#32).
new_chat_openai() is now
chat_openai().
Claude and Gemini are now supported via
chat_claude() and chat_gemini().
The Snowflake Cortex Analyst is now supported via
chat_cortex() (#56).
Databricks is now supported via chat_databricks()
(#152).
These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.
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