OpenAI: GPT-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: OpenAI: GPT-4 model details · GPT-4 family · OpenAI provider page
Top 15 alternatives
| # | Model | Provider | Why | Context | Input price / 1M | Compare |
|---|---|---|---|---|---|---|
| 1 | Anthropic: Claude Opus 4.7 (Fast) | Anthropic | shares tool-use, structured-output · similar price tier | 1M Ultra context (1M+) | $30.00 Premium | vs → |
| 2 | Meta: Llama 3 8B Instruct | Meta | shares tool-use, structured-output · similar context window | 8K Short/standard context | $0.03 Budget | vs → |
| 3 | OpenAI: GPT-4 (older v0314) | OpenAI | shares tool-use, structured-output · similar price tier | 8K Short/standard context | $30.00 Premium | vs → |
| 4 | Reka Edge | Reka | shares tool-use, structured-output · similar context window | 16K Short/standard context | $0.10 Budget | vs → |
| 5 | Reka Edge | Rekaai | shares tool-use, structured-output · similar context window | 16K Short/standard context | $0.10 Budget | vs → |
| 6 | Anthropic: Claude Fable 5 | Anthropic | shares tool-use, structured-output · different provider | 1M Ultra context (1M+) | $10.00 Premium | vs → |
| 7 | Anthropic: Claude Fable 5 (batch) | Anthropic | shares tool-use, structured-output · different provider | 1M Ultra context (1M+) | $5.00 Standard | vs → |
| 8 | Anthropic: Claude Fable 5.1 | Anthropic | shares tool-use, structured-output · different provider | 1M Ultra context (1M+) | $10.00 Premium | vs → |
| 9 | Anthropic: Claude Fable 5.1 (batch) | Anthropic | shares tool-use, structured-output · different provider | 1M Ultra context (1M+) | $5.00 Standard | vs → |
| 10 | Anthropic: Claude Haiku 4.5 | Anthropic | shares tool-use, structured-output · different provider | 200K Long context (128K+) | $1.00 Standard | vs → |
| 11 | Anthropic: Claude Haiku 4.5 (batch) | Anthropic | shares tool-use, structured-output · different provider | 200K Long context (128K+) | $0.50 Budget | vs → |
| 12 | Anthropic: Claude Opus 4.1 (batch) | Anthropic | shares tool-use, structured-output · different provider | 200K Long context (128K+) | $7.50 Premium | vs → |
| 13 | Anthropic: Claude Opus 4.5 | Anthropic | shares tool-use, structured-output · different provider | 200K Long context (128K+) | $5.00 Standard | vs → |
| 14 | Anthropic: Claude Opus 4.5 (batch) | Anthropic | shares tool-use, structured-output · different provider | 200K Long context (128K+) | $2.50 Standard | vs → |
| 15 | Anthropic: Claude Opus 4.6 | Anthropic | shares tool-use, structured-output · different provider | 1M Ultra context (1M+) | $5.00 Standard | vs → |