feat(models): add Claude Fable 5.2 (#9816)

Author: waleedlatif1

apps/docs/content/docs/workflows/blocks/agent.mdx

@@ -187,7 +187,7 @@ Live tool-call chips stream for **OpenAI, Anthropic, Azure Anthropic, Google, Ve
 | Provider | Streamed thinking | Models |
 |----------|-------------------|--------|
 | OpenAI | Summaries only — Requires OpenAI organization verification; falls back to no summaries. | `gpt-6-astra`, `gpt-6.1-sol`, `gpt-6.1-terra`, `gpt-6-sol`, `gpt-6-luna`, `gpt-5.6-sol`, `gpt-5.6-terra`, `gpt-5.6-luna`, `gpt-5.5-pro`, `gpt-5.5`, `gpt-5.4-pro`, `gpt-5.4`, `gpt-5.4-mini`, `gpt-5.4-nano`, `gpt-5.3-codex`, `gpt-5.2-pro`, `gpt-5.2`, `gpt-5.1`, `gpt-5-pro`, `gpt-5`, `gpt-5-mini`, `gpt-5-nano`, `o4-mini`, `o3`, `o3-mini`, `o1` |
-| Anthropic | Summaries only — These generations omit full thinking; Sim requests summarized thinking on streaming runs. | `claude-fable-5-1`, `claude-fable-5`, `claude-sonnet-5-5`, `claude-sonnet-5`, `claude-opus-5-5`, `claude-opus-5`, `claude-opus-4-8`, `claude-opus-4-7`, `claude-opus-4-6`, `claude-sonnet-4-6`, `claude-opus-4-5`, `claude-sonnet-4-5`, `claude-haiku-5-5`, `claude-haiku-4-5` |
+| Anthropic | Summaries only — These generations omit full thinking; Sim requests summarized thinking on streaming runs. | `claude-fable-5-2`, `claude-fable-5-1`, `claude-fable-5`, `claude-sonnet-5-5`, `claude-sonnet-5`, `claude-opus-5-5`, `claude-opus-5`, `claude-opus-4-8`, `claude-opus-4-7`, `claude-opus-4-6`, `claude-sonnet-4-6`, `claude-opus-4-5`, `claude-sonnet-4-5`, `claude-haiku-5-5`, `claude-haiku-4-5` |
 | Azure OpenAI | Summaries only — Requires OpenAI organization verification; falls back to no summaries. | `azure/gpt-6.1-sol`, `azure/gpt-6-sol`, `azure/gpt-6-luna`, `azure/gpt-6-astra`, `azure/gpt-5.6-sol`, `azure/gpt-5.6-terra`, `azure/gpt-5.6-luna`, `azure/gpt-5.5`, `azure/gpt-5.4-pro`, `azure/gpt-5.4`, `azure/gpt-5.4-mini`, `azure/gpt-5.4-nano`, `azure/gpt-5.2`, `azure/gpt-5.1`, `azure/gpt-5.1-codex`, `azure/gpt-5`, `azure/gpt-5-mini`, `azure/gpt-5-nano`, `azure/o3`, `azure/o4-mini` |
 | Azure Anthropic | Summaries only — These generations omit full thinking; Sim requests summarized thinking on streaming runs. | `azure-anthropic/claude-fable-5-1`, `azure-anthropic/claude-opus-5-5`, `azure-anthropic/claude-sonnet-5-5`, `azure-anthropic/claude-haiku-5-5`, `azure-anthropic/claude-opus-5`, `azure-anthropic/claude-opus-4-8`, `azure-anthropic/claude-opus-4-7`, `azure-anthropic/claude-opus-4-6`, `azure-anthropic/claude-opus-4-5`, `azure-anthropic/claude-sonnet-5`, `azure-anthropic/claude-sonnet-4-6`, `azure-anthropic/claude-sonnet-4-5`, `azure-anthropic/claude-opus-4-1`, `azure-anthropic/claude-haiku-4-5` |
 | Google | Summaries only | `gemini-4-argon`, `gemini-3.8-flash`, `gemini-3.7-flash`, `gemini-3.6-flash`, `gemini-3.5-flash-lite`, `gemini-3.5-flash`, `gemini-3.1-pro-preview`, `gemini-3.1-flash-lite`, `gemini-3-flash-preview`, `gemini-2.5-pro`, `gemini-2.5-flash`, `gemini-2.5-flash-lite` |

apps/sim/providers/anthropic/core.ts

@@ -143,7 +143,7 @@ const ANTHROPIC_THINKING_OUTPUT_HEADROOM = 4096
 
 /**
  * Checks if a model supports adaptive thinking (thinking.type: "adaptive").
- * Fable 5, Fable 5.1, and Opus 5.5 support ONLY adaptive thinking (always on; type: "disabled" is rejected).
+ * Fable 5, Fable 5.1, Fable 5.2, and Opus 5.5 support ONLY adaptive thinking (always on; type: "disabled" is rejected).
  * Sonnet 5.5 is adaptive by default and rejects type: "disabled"; its lowest setting is "between_tools".
  * Sonnet 5 supports ONLY adaptive thinking (manual budget_tokens returns a 400 error).
  * Haiku 5.5 supports adaptive thinking and rejects manual budget_tokens.
@@ -172,7 +172,7 @@ function supportsAdaptiveThinking(modelId: string): boolean {
 /**
  * Builds the thinking configuration for the Anthropic API based on model capabilities and level.
  *
- * - Fable 5.1, Fable 5, Sonnet 5.5, Sonnet 5, Opus 5.5, Opus 5, Opus 4.8, Opus 4.7: Uses adaptive thinking only (no extended thinking support)
+ * - Fable 5.2, Fable 5.1, Fable 5, Sonnet 5.5, Sonnet 5, Opus 5.5, Opus 5, Opus 4.8, Opus 4.7: Uses adaptive thinking only (no extended thinking support)
  * - Opus 4.6, Sonnet 4.6: Uses adaptive thinking with effort parameter
  * - Other models: Uses budget_tokens-based extended thinking
  *

apps/sim/providers/models.ts

@@ -1305,6 +1305,29 @@ export const PROVIDER_DEFINITIONS: Record<string, ProviderDefinition> = {
       promptCaching: { minimumCacheableTokens: 1024 },
     },
     models: [
+      {
+        id: 'claude-fable-5-2',
+        pricing: {
+          input: 8.0,
+          cachedInput: 0.2,
+          output: 40.0,
+          updatedAt: '2026-11-09',
+        },
+        capabilities: {
+          forcedToolUse: false,
+          nativeStructuredOutputs: true,
+          maxOutputTokens: 128000,
+          promptCaching: { minimumCacheableTokens: 512 },
+          thinking: {
+            levels: ['low', 'medium', 'high', 'xhigh', 'max'],
+            default: 'high',
+            streamed: 'summary',
+          },
+        },
+        contextWindow: 1000000,
+        releaseDate: '2026-11-09',
+        featured: true,
+      },
       {
         id: 'claude-fable-5-1',
         pricing: {
@@ -1326,7 +1349,7 @@ export const PROVIDER_DEFINITIONS: Record<string, ProviderDefinition> = {
         },
         contextWindow: 1000000,
         releaseDate: '2026-09-01',
-        featured: true,
+        sunset: { status: 'legacy' },
       },
       {
         id: 'claude-fable-5',