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feat: add Grok 4.5 and Composer 2.5 Fast models #4

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21 changes: 16 additions & 5 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -72,6 +72,8 @@ C:\Users\ysnock\.config\opencode\opencode.json

It now includes `provider.xai-oauth` with these model IDs:

- `grok-4.5`
- `grok-composer-2.5-fast`
- `grok-4.3`
- `grok-4.20-0309-reasoning`
- `grok-4.20-0309-non-reasoning`
Expand All @@ -89,6 +91,12 @@ Equivalent config block:
"baseURL": "https://api.x.ai/v1"
},
"models": {
"grok-4.5": {
"name": "Grok 4.5"
},
"grok-composer-2.5-fast": {
"name": "Composer 2.5 Fast"
},
"grok-4.3": {
"name": "Grok 4.3"
},
Expand Down Expand Up @@ -140,7 +148,7 @@ xAI Grok OAuth
6. Select a model in OpenCode:

```text
xai-oauth/grok-4.3
xai-oauth/grok-4.5
```

## Models
Expand All @@ -149,13 +157,16 @@ xai-oauth/grok-4.3

| Model ID | Use |
| ------------------------------ | ----------------------------------------- |
| `grok-4.3` | Default general-purpose Grok OAuth model. |
| `grok-4.5` | Default general-purpose Grok OAuth model. |
| `grok-composer-2.5-fast` | Composer 2.5 Fast coding model. |
| `grok-4.3` | Previous general-purpose Grok OAuth model.|
| `grok-4.20-0309-reasoning` | Reasoning-heavy tasks. |
| `grok-4.20-0309-non-reasoning` | Faster non-reasoning variant. |
| `grok-4.20-multi-agent-0309` | Multi-agent oriented Grok variant. |

The fallback list mirrors the Hermes Agent xAI OAuth model list as of this
implementation. If xAI renames or retires models, update `src/constants.ts` and
The fallback list includes current SuperGrok OAuth chat models (`grok-4.5`,
`grok-composer-2.5-fast`) plus the earlier Hermes-compatible Grok IDs. If xAI
renames or retires models, update `src/constants.ts` and
`~/.config/opencode/opencode.json`.

## Configuration
Expand Down Expand Up @@ -232,7 +243,7 @@ C:\Users\ysnock\.config\opencode\opencode.json
Then restart OpenCode and select:

```text
xai-oauth/grok-4.3
xai-oauth/grok-4.5
```

### API Key Missing
Expand Down
2 changes: 2 additions & 0 deletions src/constants.ts
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Expand Up @@ -18,6 +18,8 @@ export const XAI_ACCESS_TOKEN_REFRESH_SKEW_MS = 120_000;
export const OAUTH_CALLBACK_TIMEOUT_MS = 180_000;

export const DEFAULT_XAI_MODELS = [
"grok-4.5",
"grok-composer-2.5-fast",
"grok-4.3",
"grok-4.20-0309-reasoning",
"grok-4.20-0309-non-reasoning",
Expand Down
5 changes: 4 additions & 1 deletion test/plugin.test.ts
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Expand Up @@ -9,7 +9,10 @@ describe("plugin config", () => {
const provider = (config.provider as Record<string, unknown>)["xai-oauth"] as Record<string, unknown>;
expect(provider.npm).toBe("@ai-sdk/openai");
expect((provider.options as Record<string, unknown>).baseURL).toBe("https://api.x.ai/v1");
expect(Object.keys(provider.models as Record<string, unknown>)).toContain("grok-4.3");
const modelIds = Object.keys(provider.models as Record<string, unknown>);
expect(modelIds).toContain("grok-4.5");
expect(modelIds).toContain("grok-composer-2.5-fast");
expect(modelIds).toContain("grok-4.3");
});

it("only treats api.x.ai as a safe API token destination", () => {
Expand Down