OpenAI: GPT-5 Chat 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-5 Chat model details · GPT-5 family · OpenAI provider page
Top 15 alternatives
| # | Model | Provider | Why | Context | Input price / 1M | Compare |
|---|---|---|---|---|---|---|
| 1 | Mistral: Pixtral Large 2411 | Mistral AI | shares structured-output, vision · similar price tier | 131K Long context (128K+) | $2.00 Standard | vs → |
| 2 | Qwen: Qwen VL Max | Qwen | shares structured-output, vision · similar price tier | 131K Long context (128K+) | $0.52 Budget | vs → |
| 3 | Anthropic: Claude Haiku 4.5 | Anthropic | shares structured-output, vision · similar price tier | 200K Long context (128K+) | $1.00 Standard | vs → |
| 4 | Anthropic: Claude Sonnet 4.5 | Anthropic | shares structured-output, vision · similar price tier | 1M Ultra context (1M+) | $3.00 Standard | vs → |
| 5 | Anthropic: Claude Sonnet 4.6 | Anthropic | shares structured-output, vision · similar price tier | 1M Ultra context (1M+) | $3.00 Standard | vs → |
| 6 | Google: Gemini 2.5 Pro | shares structured-output, vision · similar price tier | 1.0M Ultra context (1M+) | $1.25 Standard | vs → | |
| 7 | Google: Gemini 2.5 Pro Preview 05-06 | shares structured-output, vision · similar price tier | 1.0M Ultra context (1M+) | $1.25 Standard | vs → | |
| 8 | Google: Gemini 2.5 Pro Preview 06-05 | shares structured-output, vision · similar price tier | 1.0M Ultra context (1M+) | $1.25 Standard | vs → | |
| 9 | Google: Gemini 3 Flash Preview | shares structured-output, vision · similar price tier | 1.0M Ultra context (1M+) | $0.50 Budget | vs → | |
| 10 | Google: Gemini 3 Pro Preview | shares structured-output, vision · similar price tier | 1.0M Ultra context (1M+) | $2.00 Standard | vs → | |
| 11 | Google: Gemini 3.1 Pro Preview | shares structured-output, vision · similar price tier | 1.0M Ultra context (1M+) | $2.00 Standard | vs → | |
| 12 | Google: Gemini 3.1 Pro Preview Custom Tools | shares structured-output, vision · similar price tier | 1.0M Ultra context (1M+) | $2.00 Standard | vs → | |
| 13 | Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) | shares structured-output, vision · similar price tier | 66K Short/standard context | $0.50 Budget | vs → | |
| 14 | Google: Nano Banana Pro (Gemini 3 Pro Image Preview) | shares structured-output, vision · similar price tier | 66K Short/standard context | $2.00 Standard | vs → | |
| 15 | Mistral: Mistral Large 3 2512 | Mistral AI | shares structured-output, vision · similar price tier | 262K Long context (128K+) | $0.50 Budget | vs → |