Nakano KenjiandBennet Bo Fenner 5c48f982fe anthropic: Allow configured models to opt into fast mode (#58225)
Adds support for enabling Anthropic fast mode on configured models.

Previously, Anthropic models configured through
`language_models.anthropic.available_models` were always marked as not
supporting fast mode, so `speed: "fast"` would be stripped before
sending requests even when the configured model supported Anthropic fast
mode.

This adds an optional `supports_fast_mode` field to configured Anthropic
models. When enabled, the model is marked as supporting fast mode and
the required Anthropic beta header is added automatically. Built-in
fast-mode model detection remains the fallback when the setting is
omitted.

Testing:
- `cargo fmt --package anthropic --package language_models --package
settings_content`
- `cargo test -p language_models available_model --lib`
- `cargo test -p anthropic from_listed_enables_fast_mode --lib`
- `cargo check -p language_models`
- Manual: verified in a local build that a configured Anthropic model
can send fast mode requests correctly.

Release Notes:

- agent: Allow specifying if fast mode is supported for custom anthropic
models

Co-authored-by: Bennet Bo Fenner <bennetbo@gmx.de>
2026-07-10 15:01:47 +00:00
2026-07-01 14:55:30 +00:00
2026-05-27 18:17:59 +00:00
2026-01-22 23:57:26 +05:30
WIP
2023-12-14 09:25:14 -07:00
2026-04-29 10:27:47 +00:00
2025-02-04 09:02:59 -05:00
2025-10-27 13:27:59 -04:00
2026-06-27 15:06:29 +00:00
2025-10-17 18:58:14 +00:00
2026-03-17 16:34:35 +00:00
2026-04-29 10:27:47 +00:00

Zed

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