diff --git a/agents/claude.ts b/agents/claude.ts
index fc2cb6b..953324d 100644
--- a/agents/claude.ts
+++ b/agents/claude.ts
@@ -8,9 +8,9 @@ import { agent, createAgentEnv, installFromNpmTarball } from "./shared.ts";
 // Model selection based on effort level
 // Note: nothink uses Haiku for speed, think uses Sonnet for balance, max uses Opus for capability
 const claudeEffortModels: Record<Effort, string> = {
-  nothink: "claude-haiku-4-5-20250929",
-  think: "claude-sonnet-4-5-20250929",
-  max: "claude-opus-4-5-20250929",
+  nothink: "haiku",
+  think: "opusplan",
+  max: "opus",
 };
 
 // FUTURE: Consider using Anthropic's "effort" parameter (beta) with Opus 4.5 for all tasks.
diff --git a/effort.md b/effort.md
index 334f436..71986e8 100644
--- a/effort.md
+++ b/effort.md
@@ -16,9 +16,9 @@ Claude Code uses model selection based on effort level.
 
 | Effort | Model | Description |
 |--------|-------|-------------|
-| `nothink` | `claude-haiku-4-5-20250929` | Fast, efficient (Haiku) |
-| `think` | `claude-sonnet-4-5-20250929` | Balanced (Sonnet) |
-| `max` | `claude-opus-4-5-20250929` | Maximum capability (Opus) |
+| `nothink` | `haiku` | Fast, efficient |
+| `think` | `opusplan` | Opus for planning, Sonnet for execution |
+| `max` | `opus` | Full Opus |
 
 > **Future direction:** Anthropic's beta `effort` parameter (`low`/`medium`/`high`) could replace model selection, using Opus 4.5 for all tasks with effort controlling token spend. See [Anthropic Effort Docs](https://platform.claude.com/docs/en/build-with-claude/effort).
 
diff --git a/entry b/entry
index 05b7f29..462e75b 100755
--- a/entry
+++ b/entry
@@ -104748,9 +104748,9 @@ var agent = (input) => {
 
 // agents/claude.ts
 var claudeEffortModels = {
-  nothink: "claude-haiku-4-5-20250929",
-  think: "claude-sonnet-4-5-20250929",
-  max: "claude-opus-4-5-20250929"
+  nothink: "haiku",
+  think: "opusplan",
+  max: "opus"
 };
 var claude = agent({
   name: "claude",