Google: Gemini 3 Flash Preview alternatives
Ranked by capability overlap, similar context window, and similar price tier. Cross-vendor options are weighted higher than same-provider alternatives.
See also: Google: Gemini 3 Flash Preview model details · Gemini 3 family · Google provider page
Top 15 alternatives
| # | Model | Provider | Why | Context | Input price / 1M | Compare |
|---|---|---|---|---|---|---|
| 1 | Google: Gemini 2.5 Pro | shares reasoning, tool-use, structured-output, vision, audio · similar price tier | 1.0M Ultra context (1M+) | $1.25 Standard | vs → | |
| 2 | Google: Gemini 2.5 Pro Preview 05-06 | shares reasoning, tool-use, structured-output, vision, audio · similar price tier | 1.0M Ultra context (1M+) | $1.25 Standard | vs → | |
| 3 | Google: Gemini 2.5 Pro Preview 06-05 | shares reasoning, tool-use, structured-output, vision, audio · similar price tier | 1.0M Ultra context (1M+) | $1.25 Standard | vs → | |
| 4 | Anthropic: Claude Sonnet 4.5 | Anthropic | shares reasoning, tool-use, structured-output, vision · similar price tier | 1M Ultra context (1M+) | $3.00 Standard | vs → |
| 5 | Anthropic: Claude Sonnet 4.6 | Anthropic | shares reasoning, tool-use, structured-output, vision · similar price tier | 1M Ultra context (1M+) | $3.00 Standard | vs → |
| 6 | OpenAI: GPT-5.4 | OpenAI | shares reasoning, tool-use, structured-output, vision · similar price tier | 1.1M Ultra context (1M+) | $2.50 Standard | vs → |
| 7 | xAI: Grok 4.20 Beta | X Ai | shares reasoning, tool-use, structured-output, vision · similar price tier | 2M Ultra context (1M+) | $2.00 Standard | vs → |
| 8 | Google: Gemini 3 Pro Preview | shares reasoning, tool-use, structured-output, vision, audio · similar price tier | 1.0M Ultra context (1M+) | $2.00 Standard | vs → | |
| 9 | Google: Gemini 3.1 Pro Preview | shares reasoning, tool-use, structured-output, vision, audio · similar price tier | 1.0M Ultra context (1M+) | $2.00 Standard | vs → | |
| 10 | Google: Gemini 3.1 Pro Preview Custom Tools | shares reasoning, tool-use, structured-output, vision, audio · similar price tier | 1.0M Ultra context (1M+) | $2.00 Standard | vs → | |
| 11 | Auto Router | Openrouter | shares reasoning, tool-use, structured-output, vision, audio · similar context window | 2M Ultra context (1M+) | $-1000000.00 Budget | vs → |
| 12 | Anthropic: Claude Haiku 4.5 | Anthropic | shares reasoning, tool-use, structured-output, vision · similar price tier | 200K Long context (128K+) | $1.00 Standard | vs → |
| 13 | Google: Gemini 2.5 Flash | shares reasoning, tool-use, structured-output, vision, audio · similar context window | 1.0M Ultra context (1M+) | $0.30 Budget | vs → | |
| 14 | Google: Gemini 2.5 Flash Lite | shares reasoning, tool-use, structured-output, vision, audio · similar context window | 1.0M Ultra context (1M+) | $0.10 Budget | vs → | |
| 15 | Google: Gemini 2.5 Flash Lite Preview 09-2025 | shares reasoning, tool-use, structured-output, vision, audio · similar context window | 1.0M Ultra context (1M+) | $0.10 Budget | vs → |