x_ai: Update models list (#55931)

Updates the list of models being available based on
https://docs.x.ai/developers/models

From the xAI site:
<img width="750" height="169" alt="image"
src="https://github.com/user-attachments/assets/328c2743-2de7-4324-8eda-19e4b1f734e9"
/>

Closes #55883

Release Notes:

- agent: Added support for grok-4.3, grok-4.2 and removed deprecated xAI
models
This commit is contained in:
Bennet Bo Fenner 2026-05-07 11:56:04 +02:00 committed by GitHub
parent b3a67c988f
commit c6e9a95eba
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@ -7,42 +7,13 @@ pub const XAI_API_URL: &str = "https://api.x.ai/v1";
#[cfg_attr(feature = "schemars", derive(schemars::JsonSchema))]
#[derive(Clone, Debug, Default, Serialize, Deserialize, PartialEq, EnumIter)]
pub enum Model {
#[serde(rename = "grok-2-vision-latest")]
Grok2Vision,
#[default]
#[serde(rename = "grok-3-latest")]
Grok3,
#[serde(rename = "grok-3-mini-latest")]
Grok3Mini,
#[serde(rename = "grok-3-fast-latest")]
Grok3Fast,
#[serde(rename = "grok-3-mini-fast-latest")]
Grok3MiniFast,
#[serde(rename = "grok-4", alias = "grok-4-latest")]
Grok4,
#[serde(
rename = "grok-4-fast-reasoning",
alias = "grok-4-fast-reasoning-latest"
)]
Grok4FastReasoning,
#[serde(
rename = "grok-4-fast-non-reasoning",
alias = "grok-4-fast-non-reasoning-latest"
)]
Grok4FastNonReasoning,
#[serde(
rename = "grok-4-1-fast-non-reasoning",
alias = "grok-4-1-fast-non-reasoning-latest"
)]
Grok41FastNonReasoning,
#[serde(
rename = "grok-4-1-fast-reasoning",
alias = "grok-4-1-fast-reasoning-latest",
alias = "grok-4-1-fast"
)]
Grok41FastReasoning,
#[serde(rename = "grok-code-fast-1", alias = "grok-code-fast-1-0825")]
GrokCodeFast1,
#[serde(rename = "grok-4.3", alias = "grok-4.3-latest")]
Grok43,
#[serde(rename = "grok-4.20-0309-reasoning")]
Grok420Reasoning,
#[serde(rename = "grok-4.20-0309-non-reasoning")]
Grok420NonReasoning,
#[serde(rename = "custom")]
Custom {
name: String,
@ -59,57 +30,32 @@ pub enum Model {
impl Model {
pub fn default_fast() -> Self {
Self::Grok3Fast
Self::Grok43
}
pub fn from_id(id: &str) -> Result<Self> {
match id {
"grok-4" => Ok(Self::Grok4),
"grok-4-fast-reasoning" => Ok(Self::Grok4FastReasoning),
"grok-4-fast-non-reasoning" => Ok(Self::Grok4FastNonReasoning),
"grok-4-1-fast-non-reasoning" => Ok(Self::Grok41FastNonReasoning),
"grok-4-1-fast-reasoning" => Ok(Self::Grok41FastReasoning),
"grok-4-1-fast" => Ok(Self::Grok41FastReasoning),
"grok-2-vision" => Ok(Self::Grok2Vision),
"grok-3" => Ok(Self::Grok3),
"grok-3-mini" => Ok(Self::Grok3Mini),
"grok-3-fast" => Ok(Self::Grok3Fast),
"grok-3-mini-fast" => Ok(Self::Grok3MiniFast),
"grok-code-fast-1" => Ok(Self::GrokCodeFast1),
"grok-4.3" => Ok(Self::Grok43),
"grok-4.20-0309-reasoning" => Ok(Self::Grok420Reasoning),
"grok-4.20-0309-non-reasoning" => Ok(Self::Grok420NonReasoning),
_ => anyhow::bail!("invalid model id '{id}'"),
}
}
pub fn id(&self) -> &str {
match self {
Self::Grok2Vision => "grok-2-vision",
Self::Grok3 => "grok-3",
Self::Grok3Mini => "grok-3-mini",
Self::Grok3Fast => "grok-3-fast",
Self::Grok3MiniFast => "grok-3-mini-fast",
Self::Grok4 => "grok-4",
Self::Grok4FastReasoning => "grok-4-fast-reasoning",
Self::Grok4FastNonReasoning => "grok-4-fast-non-reasoning",
Self::Grok41FastNonReasoning => "grok-4-1-fast-non-reasoning",
Self::Grok41FastReasoning => "grok-4-1-fast-reasoning",
Self::GrokCodeFast1 => "grok-code-fast-1",
Self::Grok43 => "grok-4.3",
Self::Grok420Reasoning => "grok-4.20-0309-reasoning",
Self::Grok420NonReasoning => "grok-4.20-0309-non-reasoning",
Self::Custom { name, .. } => name,
}
}
pub fn display_name(&self) -> &str {
match self {
Self::Grok2Vision => "Grok 2 Vision",
Self::Grok3 => "Grok 3",
Self::Grok3Mini => "Grok 3 Mini",
Self::Grok3Fast => "Grok 3 Fast",
Self::Grok3MiniFast => "Grok 3 Mini Fast",
Self::Grok4 => "Grok 4",
Self::Grok4FastReasoning => "Grok 4 Fast",
Self::Grok4FastNonReasoning => "Grok 4 Fast (Non-Reasoning)",
Self::Grok41FastNonReasoning => "Grok 4.1 Fast (Non-Reasoning)",
Self::Grok41FastReasoning => "Grok 4.1 Fast",
Self::GrokCodeFast1 => "Grok Code Fast 1",
Self::Grok43 => "Grok 4.3",
Self::Grok420Reasoning => "Grok 4.20 Reasoning",
Self::Grok420NonReasoning => "Grok 4.20 (Non-Reasoning)",
Self::Custom {
name, display_name, ..
} => display_name.as_ref().unwrap_or(name),
@ -118,27 +64,15 @@ impl Model {
pub fn max_token_count(&self) -> u64 {
match self {
Self::Grok3 | Self::Grok3Mini | Self::Grok3Fast | Self::Grok3MiniFast => 131_072,
Self::Grok4 | Self::GrokCodeFast1 => 256_000,
Self::Grok4FastReasoning
| Self::Grok4FastNonReasoning
| Self::Grok41FastNonReasoning
| Self::Grok41FastReasoning => 2_000_000,
Self::Grok2Vision => 8_192,
Self::Grok43 => 1_000_000,
Self::Grok420Reasoning | Self::Grok420NonReasoning => 2_000_000,
Self::Custom { max_tokens, .. } => *max_tokens,
}
}
pub fn max_output_tokens(&self) -> Option<u64> {
match self {
Self::Grok3 | Self::Grok3Mini | Self::Grok3Fast | Self::Grok3MiniFast => Some(8_192),
Self::Grok4
| Self::Grok4FastReasoning
| Self::Grok4FastNonReasoning
| Self::Grok41FastNonReasoning
| Self::Grok41FastReasoning
| Self::GrokCodeFast1 => Some(64_000),
Self::Grok2Vision => Some(4_096),
Self::Grok43 | Self::Grok420Reasoning | Self::Grok420NonReasoning => Some(64_000),
Self::Custom {
max_output_tokens, ..
} => *max_output_tokens,
@ -147,33 +81,19 @@ impl Model {
pub fn supports_parallel_tool_calls(&self) -> bool {
match self {
Self::Grok2Vision
| Self::Grok3
| Self::Grok3Mini
| Self::Grok3Fast
| Self::Grok3MiniFast
| Self::Grok4
| Self::Grok4FastReasoning
| Self::Grok4FastNonReasoning
| Self::Grok41FastNonReasoning
| Self::Grok41FastReasoning => true,
Self::Grok43 | Self::Grok420Reasoning | Self::Grok420NonReasoning => true,
Self::Custom {
parallel_tool_calls: Some(support),
..
} => *support,
Self::GrokCodeFast1 | Model::Custom { .. } => false,
Model::Custom { .. } => false,
}
}
pub fn requires_json_schema_subset(&self) -> bool {
match self {
Self::Grok4
| Self::Grok4FastReasoning
| Self::Grok4FastNonReasoning
| Self::Grok41FastNonReasoning
| Self::Grok41FastReasoning
| Self::GrokCodeFast1 => true,
_ => false,
Self::Grok43 | Self::Grok420Reasoning | Self::Grok420NonReasoning => true,
Self::Custom { .. } => false,
}
}
@ -183,17 +103,7 @@ impl Model {
pub fn supports_tool(&self) -> bool {
match self {
Self::Grok2Vision
| Self::Grok3
| Self::Grok3Mini
| Self::Grok3Fast
| Self::Grok3MiniFast
| Self::Grok4
| Self::Grok4FastReasoning
| Self::Grok4FastNonReasoning
| Self::Grok41FastNonReasoning
| Self::Grok41FastReasoning
| Self::GrokCodeFast1 => true,
Self::Grok43 | Self::Grok420Reasoning | Self::Grok420NonReasoning => true,
Self::Custom {
supports_tools: Some(support),
..
@ -204,17 +114,12 @@ impl Model {
pub fn supports_images(&self) -> bool {
match self {
Self::Grok2Vision
| Self::Grok4
| Self::Grok4FastReasoning
| Self::Grok4FastNonReasoning
| Self::Grok41FastNonReasoning
| Self::Grok41FastReasoning => true,
Self::Grok43 | Self::Grok420Reasoning | Self::Grok420NonReasoning => true,
Self::Custom {
supports_images: Some(support),
..
} => *support,
_ => false,
Self::Custom { .. } => false,
}
}
}