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fix(advanced-features): correct effort level model support (#96)

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Per official docs (https://code.claude.com/docs/en/model-config#adjust-effort-level),
the `max` effort level is supported on Opus 4.7, Opus 4.6, and Sonnet 4.6 — not
Opus 4.7 only. Only `xhigh` is Opus 4.7 exclusive.

Updates 5 occurrences in 09-advanced-features/README.md to reflect the actual
support matrix:
- Opus 4.7: low, medium, high, xhigh, max
- Opus 4.6 / Sonnet 4.6: low, medium, high, max

uk/ and vi/ locales need a separate translation sync (still reference Opus 4.6
era only and lack xhigh entirely).
This commit is contained in:
Luong NGUYEN
2026-04-25 08:04:34 +02:00
committed by GitHub
parent 8e1f60f47e
commit a7a0ea2d9d
1 changed files with 6 additions and 6 deletions
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09-advanced-features/README.md
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@@ -277,7 +277,7 @@ Extended thinking is a deliberate, step-by-step reasoning process where Claude:
**Automatic activation**:
- Enabled by default for all models (Opus 4.7, Sonnet 4.6, Haiku 4.5)
- Opus 4.7: Adaptive reasoning with effort levels: `low` (○), `medium` (◐), `high` (●), `xhigh` (default on Claude Code since Opus 4.7 launch, 2026-04-16), `max` (Opus 4.7 only). Opus 4.7 has a 1M-token native context window (1M context fix landed in v2.1.117 — before that, `/context` miscounted Opus 4.7 against a 200K window and triggered premature autocompact).
- Opus 4.7: Adaptive reasoning with effort levels: `low` (○), `medium` (◐), `high` (●), `xhigh` (Opus 4.7 only, default on Claude Code since Opus 4.7 launch, 2026-04-16), `max`. Opus 4.6 and Sonnet 4.6 also support `low`, `medium`, `high`, `max` (no `xhigh`). Opus 4.7 has a 1M-token native context window (1M context fix landed in v2.1.117 — before that, `/context` miscounted Opus 4.7 against a 200K window and triggered premature autocompact).
- Pro/Max subscribers on Opus 4.6 / Sonnet 4.6: default effort was raised from `medium` to `high` in v2.1.117.
- Other models: Fixed budget up to 31,999 tokens
@@ -291,9 +291,9 @@ Extended thinking is a deliberate, step-by-step reasoning process where Claude:
export MAX_THINKING_TOKENS=1024
```
**Effort level** (Opus 4.7 only):
**Effort level** (supported on Opus 4.7, Opus 4.6, and Sonnet 4.6):
```bash
export CLAUDE_CODE_EFFORT_LEVEL=xhigh # low (○), medium (◐), high (●), xhigh (default on Opus 4.7), or max (Opus 4.7 only)
export CLAUDE_CODE_EFFORT_LEVEL=xhigh # low (○), medium (◐), high (●), xhigh (Opus 4.7 only, default), or max
```
**CLI flag**:
@@ -306,7 +306,7 @@ claude --effort high "complex architectural review"
/effort high
```
> **Note:** The keyword "ultrathink" in prompts activates deep reasoning mode. Effort levels `low`, `medium`, `high`, `xhigh` (new, default on Opus 4.7), and `max` (Opus 4.7 only) control how much reasoning Claude performs.
> **Note:** The keyword "ultrathink" in prompts activates deep reasoning mode. Effort levels `low`, `medium`, `high`, and `max` are supported on Opus 4.7, Opus 4.6, and Sonnet 4.6. `xhigh` (default on Opus 4.7) is Opus 4.7 only.
### Benefits of Extended Thinking
@@ -394,7 +394,7 @@ Extended thinking is controlled via environment variables, keyboard shortcuts, a
# Set thinking token budget
export MAX_THINKING_TOKENS=16000
# Set effort level (Opus 4.7 only): low (○), medium (◐), high (●), xhigh (default on Opus 4.7), or max (Opus 4.7 only)
# Set effort level (Opus 4.7, Opus 4.6, Sonnet 4.6): low (○), medium (◐), high (●), xhigh (Opus 4.7 only, default), or max
export CLAUDE_CODE_EFFORT_LEVEL=xhigh
```
@@ -1965,7 +1965,7 @@ export ANTHROPIC_API_KEY=sk-ant-...
# Thinking configuration
export MAX_THINKING_TOKENS=16000
export CLAUDE_CODE_EFFORT_LEVEL=xhigh # low, medium, high, xhigh (default on Opus 4.7), or max (Opus 4.7 only)
export CLAUDE_CODE_EFFORT_LEVEL=xhigh # low, medium, high, xhigh (Opus 4.7 only, default), or max (supported on Opus 4.7, Opus 4.6, Sonnet 4.6)
# Feature toggles
export CLAUDE_CODE_DISABLE_AUTO_MEMORY=true