Claude Opus 4.6 vs GPT-5.4: Full Comparison 2026
Anthropic's Claude Opus 4.6 and OpenAI's GPT-5.4 are the two most powerful AI models available in 2026. But which one should you use? We compare pricing, benchmarks, speed, and real-world capabilities using live data.
⚡ Quick Verdict
- • Superior coding and instruction-following
- • Strong safety and alignment guarantees
- • Long-form content generation
- • Broadest ecosystem and tool integrations
- • Multimodal capabilities (vision, audio)
- • Maximum context window
Pricing Comparison
API pricing per 1 million tokens — the fundamental cost unit for LLM usage. Data refreshed hourly.
| Metric | Claude Opus 4.6 | GPT-5.4 | Winner |
|---|---|---|---|
| Input $/M tokens | $5.00 | $2.50 | wins → |
| Output $/M tokens | $25.00 | $15.00 | wins → |
| Blended (3:1) | $10.00 | $5.63 | wins → |
💡 The blended price assumes a 3:1 input/output ratio, typical for most API usage patterns.Calculate your exact cost →
Speed & Latency
Benchmark Comparison
Head-to-head across 12 benchmarks covering intelligence, coding, math, reasoning, and more.
Data from Artificial Analysis.See full benchmark leaderboard →
Best Use Cases
Claude Opus 4.6 Excels At
- 💻 Code generation and large codebase refactoring
- 📝 Long-form writing and document analysis
- 🎯 Precise instruction following (high IFBench)
- 🔒 Safety-critical applications
GPT-5.4 Excels At
- 🌐 Multimodal tasks (vision, audio, files)
- 🔌 Plugin ecosystem and tool integrations
- 📊 Data analysis and structured output
- ⚡ High-throughput production workloads
The Bottom Line
Both Claude Opus 4.6 and GPT-5.4 are exceptional models. The "best" choice depends on your specific needs: prioritize Claude for coding and instruction-following tasks, GPT-5.4 for multimodal and ecosystem advantages. For cost-sensitive applications, compare the blended pricing above — even small per-token differences compound at scale.