OpenClaw with Claude Opus 4.6:
The Most Powerful Agent Setup in 2026
Claude Opus 4.6 launched February 5, 2026 with a 1M token context window and 72.5% SWE-Bench score. Combined with OpenClaw's multi-channel routing, it enables autonomous agents that can process your entire email history, full codebase, or months of Slack history in a single call.
72.5%
SWE-Bench Verified
best coding agent accuracy
1M
token context
750,000 words in a single call
$5 / $25
per 1M tokens
input / output pricing
What changes with Opus 4.6
Whole-codebase understanding
1M context means OpenClaw can feed your entire repository, not just snippets. Pass 500+ files at once for architectural refactoring tasks.
Complete email history
Feed 12 months of inbox to OpenClaw for pattern analysis, sentiment trends, or searching for specific commitments made in email chains.
Months of Slack/Discord context
Full channel history in a single pass. Ask "what did we decide about the API redesign last quarter?" and get a reliable answer.
Best prompt-injection resistance
Opus 4.6 leads on adversarial prompt testing. When your agent handles untrusted input (customer emails, web content), Opus 4.6 is the safest choice.
How to Configure OpenClaw for Claude Opus 4.6
# OpenClaw config.yaml
model:
provider: anthropic
name: claude-opus-4-6
maxTokens: 8192
temperature: 0.7
# For large-context tasks (optional):
contextWindow: 1000000
To use Claude Opus 4.6 with OpenClaw, you need an Anthropic API key. Add it to OpenClaw's BYOK config (Settings → Model Providers → Anthropic), then select claude-opus-4-6 in your gateway model settings.
Note: Opus 4.6 requires a direct Anthropic API key. It is not available through Claude.ai subscriptions. GetClaw Hosting configures the Anthropic gateway automatically once you add your key.
Cost estimates by task type
Based on Opus 4.6 pricing: $5/M input · $25/M output.
| Task type | Avg tokens | Cost per task | 10 tasks/day monthly |
|---|---|---|---|
| Email triage | 2,500 | $0.07 | $21/mo |
| Code review | 8,000 | $0.22 | $66/mo |
| Research report | 15,000 | $0.41 | $123/mo |
| Large codebase analysis | 200,000 | $5.50 | $1,650/mo |
When to use Opus 4.6 vs Sonnet 4.6
Use Opus 4.6 when:
Maximum power — use sparingly for cost control.
- Autonomous long-running tasks where errors are expensive
- Code requiring architectural decisions across a large codebase
- Handling untrusted input (customer emails, web content)
- Tasks that need the full 1M token context window
Use Sonnet 4.6 when:
55% of OpenClaw users — best value.
- Daily triage, email drafting, routine research
- Content generation at volume
- Tasks where 200K context is sufficient
- 5x cheaper than Opus with near-identical results on most work
The GetClaw advantage
One-click model switching
Switch between Opus and Sonnet in the control center — no gateway reconfiguration needed.
Daily spend caps
Set per-day token budgets so Opus tasks never produce unexpected charges at month end.
Multi-model routing
Route high-stakes tasks to Opus and routine tasks to Sonnet automatically — in the same gateway.
Frequently asked questions
- Does OpenClaw work with Claude Opus 4.6?
- Yes. OpenClaw v2026.2.23 and later supports claude-opus-4-6 via the Anthropic provider. You need a separate Anthropic API key — Claude Opus 4.6 requires direct API access and is not available through Claude.ai subscriptions. GetClaw Hosting configures the Anthropic gateway automatically once you add your key.
- How much does running OpenClaw with Claude Opus 4.6 cost?
- Claude Opus 4.6 costs $5 per million input tokens and $25 per million output tokens. A typical OpenClaw task (email triage, short research) uses 1,500–4,000 tokens and costs $0.04–$0.12. Large-context tasks (full codebase analysis, months of email history) can cost $2–$8 per task. GetClaw's daily spend caps prevent unexpected charges.
- Should I use Claude Opus 4.6 or Sonnet 4.6 for OpenClaw?
- 55% of OpenClaw users choose Sonnet 4.6 for daily work — it runs at 72.7% SWE-Bench (slightly higher than Opus) at one-fifth the cost. Use Opus 4.6 for tasks that require the 1M context window, handle untrusted input, or involve high-stakes autonomous decisions where errors are costly.
Run Claude Opus 4.6 on OpenClaw without the setup hassle
GetClaw Hosting configures the Anthropic gateway, manages your BYOK keys, and sets spend caps — so you get the full power of Opus 4.6 with zero infrastructure work.