PR #1164: fix(codex-rs): use codex-mini-latest as default

URL: https://github.com/openai/codex/pull/1164
Author: fouad-openai
Created: 2025-05-29 22:38:22 UTC
Updated: 2025-05-29 23:55:29 UTC
Changes: +7/-7, Files changed: 4, Commits: 3

Description

(No description.)

Full Diff

diff --git a/codex-rs/README.md b/codex-rs/README.md
index a0e3f5846e..a26f5b6d1d 100644
--- a/codex-rs/README.md
+++ b/codex-rs/README.md
@@ -32,7 +32,7 @@ The `config.toml` file supports the following options:
 The model that Codex should use.
 
 ```toml
-model = "o3"  # overrides the default of "o4-mini"
+model = "o3"  # overrides the default of "codex-mini-latest"

model_provider

@@ -155,7 +155,7 @@ Users can specify config values at multiple levels. Order of precedence is as fo

custom command-line argument, e.g., --model o3
as part of a profile, where the --profile is specified via a CLI (or in the config file itself)
as an entry in config.toml, e.g., model = "o3" -4. the default value that comes with Codex CLI (i.e., Codex CLI defaults to o4-mini) +4. the default value that comes with Codex CLI (i.e., Codex CLI defaults to codex-mini-latest)

sandbox_permissions

diff --git a/codex-rs/common/src/config_override.rs b/codex-rs/common/src/config_override.rs index bd2c036940..610195d6d1 100644 --- a/codex-rs/common/src/config_override.rs +++ b/codex-rs/common/src/config_override.rs @@ -23,7 +23,7 @@ pub struct CliConfigOverrides { /// parse as JSON, the raw string is used as a literal. /// /// Examples:

/// - -c model="o4-mini"

/// - -c model="o3" /// - -c 'sandbox_permissions=["disk-full-read-access"]' /// - -c shell_environment_policy.inherit=all #[arg( @@ -61,7 +61,7 @@ impl CliConfigOverrides {
```
        // Attempt to parse as JSON. If that fails, treat it as a raw
        // string. This allows convenient usage such as
```

           // `-c model=o4-mini` without the quotes.

           // `-c model=o3` without the quotes.
           let value: Value = match parse_toml_value(value_str) {
               Ok(v) => v,
               Err(_) => Value::String(value_str.to_string()),

diff --git a/codex-rs/core/src/flags.rs b/codex-rs/core/src/flags.rs index e8cc973c99..c21ef67026 100644 --- a/codex-rs/core/src/flags.rs +++ b/codex-rs/core/src/flags.rs @@ -3,7 +3,7 @@ use std::time::Duration; use env_flags::env_flags;

env_flags! {

pub OPENAI_DEFAULT_MODEL: &str = "o4-mini";

pub OPENAI_DEFAULT_MODEL: &str = "codex-mini-latest"; pub OPENAI_API_BASE: &str = "https://api.openai.com/v1";

/// Fallback when the provider-specific key is not set. diff --git a/codex-rs/core/src/protocol.rs b/codex-rs/core/src/protocol.rs index 1b9871edd8..fc18f1d821 100644 --- a/codex-rs/core/src/protocol.rs +++ b/codex-rs/core/src/protocol.rs @@ -561,7 +561,7 @@ mod tests { id: "1234".to_string(), msg: EventMsg::SessionConfigured(SessionConfiguredEvent { session_id,

           model: "o4-mini".to_string(),

           model: "codex-mini-latest".to_string(),
           history_log_id: 0,
           history_entry_count: 0,
       }),

@@ -569,7 +569,7 @@ mod tests { let serialized = serde_json::to_string(&event).unwrap(); assert_eq!( serialized,

       r#"{"id":"1234","msg":{"type":"session_configured","session_id":"67e55044-10b1-426f-9247-bb680e5fe0c8","model":"o4-mini","history_log_id":0,"history_entry_count":0}}"#

       r#"{"id":"1234","msg":{"type":"session_configured","session_id":"67e55044-10b1-426f-9247-bb680e5fe0c8","model":"codex-mini-latest","history_log_id":0,"history_entry_count":0}}"#
   );

} }


## Review Comments

### codex-rs/common/src/config_override.rs

- Created: 2025-05-29 22:47:43 UTC | Link: https://github.com/openai/codex/pull/1164#discussion_r2114856819

```diff
@@ -23,7 +23,7 @@ pub struct CliConfigOverrides {
     /// parse as JSON, the raw string is used as a literal.
     ///
     /// Examples:
-    ///   - `-c model="o4-mini"`
+    ///   - `-c model="codex-mini-latest"`

This stay as-is because this is meant to demonstrate an override.

Created: 2025-05-29 23:02:11 UTC | Link: https://github.com/openai/codex/pull/1164#discussion_r2114868563

@@ -23,7 +23,7 @@ pub struct CliConfigOverrides {
     /// parse as JSON, the raw string is used as a literal.
     ///
     /// Examples:
-    ///   - `-c model="o4-mini"`
+    ///   - `-c model="codex-mini-latest"`

I think it can be anything other than the default, which will now be codex-mini-latest, right?

codex-rs/mcp-server/src/codex_tool_config.rs

Created: 2025-05-29 22:48:37 UTC | Link: https://github.com/openai/codex/pull/1164#discussion_r2114857544

@@ -19,7 +19,7 @@ pub(crate) struct CodexToolCallParam {
     /// The *initial user prompt* to start the Codex conversation.
     pub prompt: String,
 
-    /// Optional override for the model name (e.g. "o3", "o4-mini")
+    /// Optional override for the model name (e.g. "o3", "codex-mini-latest")

Again, I would use o4-mini as the example of an override.

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