Claude Opus 4.1 is an updated version of Anthropic’s flagship model, offering improved performance in coding, reasoning, and agentic tasks. It achieves 74.5% on SWE-bench Verified and shows notable gains in multi-file code refactoring, debu…
Model details →Anthropic: Claude Opus 4.1 vs OpenAI: GPT-4o (2024-05-13)
Anthropic: Claude Opus 4.1 and OpenAI: GPT-4o (2024-05-13) are evenly matched on 6 axes — pick the one whose provider, latency, or licensing fits your stack.
GPT-4o ("o" for "omni") is OpenAI's latest AI model, supporting both text and image inputs with text outputs. It maintains the intelligence level of [GPT-4 Turbo](/models/openai/gpt-4-turbo) while being twice as fast and 50% more cost-effec…
Model details →Side-by-side comparison
| Capability | Anthropic: Claude Opus 4.1 | OpenAI: GPT-4o (2024-05-13) | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 200K | 128K | 🏆 Anthropic: Claude Opus 4.1 |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $15.00 | $5.00 | 🏆 OpenAI: GPT-4o (2024-05-13) |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $75.00 | $15.00 | 🏆 OpenAI: GPT-4o (2024-05-13) |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | Yes | Tie |
| Vision input Accepts image inputs alongside text. | Yes | Yes | Tie |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | Yes | — | 🏆 Anthropic: Claude Opus 4.1 |
Frequently asked questions
Is Anthropic: Claude Opus 4.1 better than OpenAI: GPT-4o (2024-05-13)?
Anthropic: Claude Opus 4.1 and OpenAI: GPT-4o (2024-05-13) are evenly matched on 6 axes — pick the one whose provider, latency, or licensing fits your stack.
What's the price difference between Anthropic: Claude Opus 4.1 and OpenAI: GPT-4o (2024-05-13)?
Input: $15.00 vs $5.00 per 1M tokens. Output: $75.00 vs $15.00 per 1M tokens.
What context windows do Anthropic: Claude Opus 4.1 and OpenAI: GPT-4o (2024-05-13) support?
Anthropic: Claude Opus 4.1 supports up to 200K tokens. OpenAI: GPT-4o (2024-05-13) supports up to 128K tokens.
Do both Anthropic: Claude Opus 4.1 and OpenAI: GPT-4o (2024-05-13) support tool calling?
Anthropic: Claude Opus 4.1: yes. OpenAI: GPT-4o (2024-05-13): yes.