Claude Opus 4.6 vs GPT-4o
Claude and ChatGPT are the two most widely used AI assistants in 2026. Anthropic's Claude Opus 4.6 leads on code generation and reasoning benchmarks, while OpenAI's GPT-4o offers native multimodal capabilities including audio. This comparison breaks down pricing, performance, and use cases to help you choose.
Head-to-Head Specs
| Spec | Claude Opus 4.6 | GPT-4o |
|---|---|---|
| Provider | Anthropic | OpenAI |
| Input Price | $15.00/1M | $2.50/1M |
| Output Price | $75.00/1M | $10.00/1M |
| Context Window | 200K | 128K |
| Released | 2026-03 | 2024-05 |
| Capabilities | text, vision, tool-use, code | text, vision, tool-use, code |
Benchmark Scores
| Benchmark | Claude Opus 4.6 | GPT-4o | Winner |
|---|---|---|---|
| MMLU-Pro | 92.4 | 87.2 | Claude |
| HumanEval | 95.1 | 90.2 | Claude |
| GPQA Diamond | 74.2 | 59.1 | Claude |
| MATH | 91.8 | 81.3 | Claude |
| SWE-bench | 62.3 | 48.5 | Claude |
See the full benchmark leaderboard for all models.
Category Breakdown
Claude scores 95.1 on HumanEval vs GPT-4o at 90.2
Claude leads on GPQA Diamond (74.2 vs 59.1) and MATH (91.8 vs 81.3)
GPT-4o supports native audio input and output; Claude is text and vision only
200K tokens vs 128K tokens
GPT-4o costs $2.50/$10 vs Claude at $15/$75 per 1M tokens
OpenAI has broader third-party integrations and plugin ecosystem
Choose Claude Opus 4.6 when:
- ▸Complex coding tasks and large refactors
- ▸Advanced reasoning and research
- ▸Long document processing (200K context)
- ▸Agentic workflows with tool use
Choose GPT-4o when:
- ▸Budget-conscious production workloads
- ▸Multimodal apps needing audio support
- ▸Broad ecosystem and plugin compatibility
- ▸General-purpose chat applications
Frequently Asked Questions
Which is better, Claude Opus 4.6 or GPT-4o?
It depends on your use case. Claude Opus 4.6 from Anthropic excels at complex coding tasks and large refactors, while GPT-4o from OpenAI is better for budget-conscious production workloads. See the full comparison above for detailed benchmarks and pricing.
How much does Claude Opus 4.6 cost compared to GPT-4o?
Claude Opus 4.6 costs $15.00 input and $75.00 output per 1M tokens. GPT-4o costs $2.50 input and $10.00 output per 1M tokens.
What is the context window difference between Claude Opus 4.6 and GPT-4o?
Claude Opus 4.6 supports 200K tokens, while GPT-4o supports 128K tokens.