Premium AI face-off. Anthropic's Claude Opus 4.6 / Sonnet 4 vs OpenAI's GPT-5.4. Which is better for your use case?
Try both free via AIPowerOpus 4.6 + Sonnet 4 · Since 2022
GPT-5.4 · Since 2022
| Benchmark | Claude Opus 4.6 | Claude Sonnet 4 | GPT-5.4 | Winner |
|---|---|---|---|---|
| MMLU (general) | 92.8% | 90.1% | 94.2% | GPT-5.4 |
| HumanEval (code) | 93.4% | 93.7% | 91.0% | Claude Sonnet |
| MATH-500 | 91.2% | 87.3% | 94.5% | GPT-5.4 |
| Tool use (Berkeley) | 87.5% | 85.8% | 80.3% | Claude Opus |
| Creative writing | 9.1/10 | 8.5/10 | 8.7/10 | Claude Opus |
| Instruction following | 96.2% | 94.8% | 92.1% | Claude Opus |
$6.50
/ M input
$32.50
/ M output
$3.90
/ M input
$19.50
/ M output
$3.25
/ M input
$19.50
/ M output
Via AIPower, route simple queries to DeepSeek V3 ($0.34/M — rivals GPT-4o), reserve Claude Opus / GPT-5.4 for what actually needs them.
# Simple tasks — DeepSeek V3 (91% cheaper than GPT-5.4) client.chat.completions.create(model="deepseek/deepseek-chat", ...) # Complex code — Claude Sonnet client.chat.completions.create(model="anthropic/claude-sonnet", ...) # Deep analysis — GPT-5.4 or Claude Opus client.chat.completions.create(model="openai/gpt-5.4", ...) # Or auto-route client.chat.completions.create(model="auto-best", ...) # picks premium client.chat.completions.create(model="auto", ...) # balanced
50 free calls. Claude + GPT + 14 more models.