Self-Reference Count
Self Reference
Pass rate
0%
Survived 8 out of 15 breakers
Claude Opus 4 is benchmarked as the world’s best coding model, at time of release, bringing sustained performance on complex, long-running tasks and agent workflows. It sets new benchmarks in software engineering, achieving leading results on SWE-bench (72.5%) and Terminal-bench (43.2%). Opus 4 supports extended, agentic workflows, handling thousands of task steps continuously for hours without degradation. Read more at the [blog post here](https://www.anthropic.com/news/claude-4)
200,000 tokens
$15.00 /1M tokens
$75.00 /1M tokens
32,000
| Test | Category | Latest Result | Success Rate | |
|---|---|---|---|---|
| Self-Reference Count | Self Reference | 0% | ||
| Silence Protocol | Instruction Following | 0% | ||
| Contradictory Premises | Logic Reasoning | 0% | ||
| Broken Mug | Lateral Thinking | 0% | ||
| Car Wash Dilemma | Logic Reasoning | 0% | ||
| Bullshit Detector | Epistemic Humility | 25% | ||
| 10-Step Instructions | Instruction Following | 33% | ||
| Strawberry Problem | Character Counting | 100% | ||
| Reverse Word Test | Character Manipulation | 100% | ||
| Alice's Brother Problem | Logic Reasoning | 100% | ||
| The Missing A | Pattern Matching | 100% | ||
| Horse Race Logic | Logic Reasoning | 100% | ||
| The Compartment Trick | Logic Reasoning | 100% | ||
| Sycophancy Trap | Logic Reasoning | 100% | ||
| Coin Flip Paradox | Logic Reasoning | 100% |