Anthropic: Claude Opus 4 alternatives
Ranked by capability overlap, similar context window, and similar price tier. Cross-vendor options are weighted higher than same-provider alternatives.
See also: Anthropic: Claude Opus 4 model details · Claude 4 family · Anthropic provider page
Top 15 alternatives
| # | Model | Provider | Why | Context | Input price / 1M | Compare |
|---|---|---|---|---|---|---|
| 1 | OpenAI: GPT-5 Pro | OpenAI | shares reasoning, tool-use, vision · similar price tier | 400K Long context (128K+) | $15.00 Premium | vs → |
| 2 | OpenAI: GPT-5 Pro (batch) | OpenAI | shares reasoning, tool-use, vision · similar price tier | 400K Long context (128K+) | $7.50 Premium | vs → |
| 3 | OpenAI: GPT-5.2 Pro (batch) | OpenAI | shares reasoning, tool-use, vision · similar price tier | 400K Long context (128K+) | $10.50 Premium | vs → |
| 4 | OpenAI: o1 | OpenAI | shares reasoning, tool-use, vision · similar price tier | 200K Long context (128K+) | $15.00 Premium | vs → |
| 5 | OpenAI: o1 (batch) | OpenAI | shares reasoning, tool-use, vision · similar price tier | 200K Long context (128K+) | $7.50 Premium | vs → |
| 6 | OpenAI: o3 Deep Research | OpenAI | shares reasoning, tool-use, vision · similar price tier | 200K Long context (128K+) | $10.00 Premium | vs → |
| 7 | OpenAI: o3 Pro (batch) | OpenAI | shares reasoning, tool-use, vision · similar price tier | 200K Long context (128K+) | $10.00 Premium | vs → |
| 8 | OpenAI: GPT-5.4 Pro (batch) | OpenAI | shares reasoning, tool-use, vision · similar price tier | 1.1M Ultra context (1M+) | $15.00 Premium | vs → |
| 9 | OpenAI: GPT-5.5 | OpenAI | shares reasoning, tool-use, vision · similar price tier | 1.1M Ultra context (1M+) | $5.00 Standard | vs → |
| 10 | OpenAI: GPT-5.5 Pro (batch) | OpenAI | shares reasoning, tool-use, vision · similar price tier | 1.1M Ultra context (1M+) | $15.00 Premium | vs → |
| 11 | OpenAI: GPT-6 Astra | OpenAI | shares reasoning, tool-use, vision · similar price tier | 1.1M Ultra context (1M+) | $10.00 Premium | vs → |
| 12 | OpenAI: GPT-6 Astra (batch) | OpenAI | shares reasoning, tool-use, vision · similar price tier | 1.1M Ultra context (1M+) | $5.00 Standard | vs → |
| 13 | OpenAI: GPT-6 Astra Pro | OpenAI | shares reasoning, tool-use, vision · similar price tier | 1.1M Ultra context (1M+) | $10.00 Premium | vs → |
| 14 | OpenAI: GPT-6 Astra Pro (batch) | OpenAI | shares reasoning, tool-use, vision · similar price tier | 1.1M Ultra context (1M+) | $5.00 Standard | vs → |
| 15 | Google: Gemma 4 26B A4B | shares reasoning, tool-use, vision · similar context window | 262K Long context (128K+) | $0.09 Budget | vs → |