Bump default models to Opus 4.7 and Sonnet 4.6

Update DEFAULT_CLAUDE_MODEL and the user-facing model recommendations
in README.md and action.yml to the latest available aliases. Both
Opus 4.7 and Sonnet 4.6 expose a 1M context window; refresh the diff
size guidance accordingly.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

Author: matej

README.md

@@ -111,7 +111,7 @@ This action is not hardened against prompt injection attacks and should only be
 | `comment-pr` | Whether to comment on PRs with findings | `true` | No |
 | `upload-results` | Whether to upload results as artifacts | `true` | No |
 | `exclude-directories` | Comma-separated list of directories to exclude from scanning | None | No |
-| `claude-model` | Claude [model name](https://docs.anthropic.com/en/docs/about-claude/models/overview#model-names) to use. Defaults to Opus 4.5. For large PRs (>400k char diffs), consider using `claude-sonnet-4-5-20250929` (1M context). | `claude-opus-4-5-20251101` | No |
+| `claude-model` | Claude [model name](https://docs.anthropic.com/en/docs/about-claude/models/overview#model-names) to use. Defaults to Opus 4.7. For large PRs (>400k char diffs), consider using `claude-sonnet-4-6` (1M context). | `claude-opus-4-7` | No |
 | `claudecode-timeout` | Timeout for ClaudeCode analysis in minutes | `20` | No |
 | `max-diff-chars` | Maximum diff characters to include in prompt. Set to `0` for agentic mode (Claude uses git commands to explore). See [Diff Size Configuration](#diff-size-configuration) below. | `400000` | No |
 | `max-diff-lines` | **[DEPRECATED]** Use `max-diff-chars` instead. Converts lines to chars (line × 80). | None | No |
@@ -173,7 +173,7 @@ The action handles PRs of any size using three review modes:
 - uses: PSPDFKit-labs/nutrient-code-review@main
   with:
     claude-api-key: ${{ secrets.CLAUDE_API_KEY }}
-    claude-model: claude-sonnet-4-5-20250929  # 1M context
+    claude-model: claude-sonnet-4-6  # 1M context
     max-diff-chars: 800000  # ~200k tokens
 
 # Always use agentic mode (no embedded diff)
@@ -187,8 +187,8 @@ The action handles PRs of any size using three review modes:
 
 | Diff Size | Recommended Model | Context Window |
 |-----------|-------------------|----------------|
-| < 400k chars | `claude-opus-4-5-20251101` (default) | 200k tokens |
-| 400k - 800k chars | `claude-sonnet-4-5-20250929` | 1M tokens |
+| < 400k chars | `claude-opus-4-7` (default) | 1M tokens |
+| 400k - 800k chars | `claude-sonnet-4-6` | 1M tokens |
 | > 800k chars | Set `max-diff-chars: 0` (agentic mode) | Any model |
 
 **Backward Compatibility:**

action.yml

@@ -29,7 +29,7 @@ inputs:
     default: ''
 
   claude-model:
-    description: 'Claude model to use for code review analysis (e.g., claude-sonnet-4-20250514)'
+    description: 'Claude model to use for code review analysis (e.g., claude-sonnet-4-6)'
     required: false
     default: ''
 
@@ -75,10 +75,10 @@ inputs:
       Larger diffs use agentic file reading instead. Set to 0 to always use agentic mode.
 
       IMPORTANT: For large limits (>400k), use a model with larger context like:
-      - claude-sonnet-4-5-20250929 (1M context) for diffs up to 800k chars
+      - claude-sonnet-4-6 (1M context) for diffs up to 800k chars
       - Set via 'claude-model' input parameter
 
-      Note: ~400k chars fits comfortably in 200k token models (Opus/Sonnet standard).
+      Note: ~400k chars fits comfortably in the default Opus 4.7 model (1M context).
     required: false
     default: '400000'
 

claudecode/constants.py

@@ -5,7 +5,7 @@
 import os
 
 # API Configuration
-DEFAULT_CLAUDE_MODEL = os.environ.get('CLAUDE_MODEL') or 'claude-opus-4-5-20251101'
+DEFAULT_CLAUDE_MODEL = os.environ.get('CLAUDE_MODEL') or 'claude-opus-4-7'
 DEFAULT_TIMEOUT_SECONDS = 180  # 3 minutes
 DEFAULT_MAX_RETRIES = 3
 RATE_LIMIT_BACKOFF_MAX = 30  # Maximum backoff time for rate limits