o1 (Reasoning) vs Gemini 1.5 Flash
Compare o1 (Reasoning) vs Gemini 1.5 Flash API pricing, token costs, context windows, and latency. See which model is cheaper and better for your stack.
o1 (Reasoning) charges $15.00/1M input and $60.00/1M output tokens, compared to Gemini 1.5 Flash at $0.07/1M input and $0.30/1M output. Gemini 1.5 Flash is 200.0x cheaper on input tokens. In benchmark reasoning, o1 (Reasoning) holds the higher intelligence rating (98/100). For latency-critical streaming, o1 (Reasoning) delivers 45 t/s (1200ms TTFT) while Gemini 1.5 Flash provides 180 t/s (210ms TTFT).
Full Metric & Specification Comparison
| Metric | o1 (Reasoning) | Gemini 1.5 Flash | Advantage |
|---|---|---|---|
| Provider | OpenAI | - | |
| Input Token Cost (1M) | $15.000 | $0.075 | Gemini 1.5 Flash |
| Output Token Cost (1M) | $60.000 | $0.300 | Gemini 1.5 Flash |
| Context Window | 200k tokens | 1,000k tokens | Gemini 1.5 Flash |
| Intelligence Benchmark Score | 98/100 | 79/100 | o1 (Reasoning) |
| Streaming Latency | Deliberate | Ultra-Fast | - |
Key Architectural Takeaways
- Input Token Cost: o1 (Reasoning) is $15.00/1M vs Gemini 1.5 Flash at $0.07/1M
- Output Token Cost: o1 (Reasoning) is $60.00/1M vs Gemini 1.5 Flash at $0.30/1M
- Context Window: o1 (Reasoning) supports 200k tokens vs Gemini 1.5 Flash with 1,000k tokens
- Benchmark Intelligence Rating: o1 (Reasoning) scores 98/100 vs Gemini 1.5 Flash at 79/100
- Inference Latency: o1 (Reasoning) is rated Deliberate vs Gemini 1.5 Flash rated Ultra-Fast
Calculate Your Team's Exact Bill Difference
Drag the sliders below to see real-time cost divergences based on your daily token consumption.
Deploying Gemini 1.5 Flash over o1 (Reasoning) saves $671.63/mo ($8060/yr) at this volume.
Frequently Asked Questions
Is o1 (Reasoning) cheaper than Gemini 1.5 Flash?
Gemini 1.5 Flash is significantly more economical, charging $0.07/1M input compared to $15.00/1M for o1 (Reasoning).
Which model should I choose for production?
If your primary constraint is API cost and high query throughput, choose Gemini 1.5 Flash. If you require peak reasoning accuracy and complex tool use, o1 (Reasoning) is recommended.
How does context window compare between o1 (Reasoning) and Gemini 1.5 Flash?
Gemini 1.5 Flash offers the larger context window (1,000k tokens), allowing you to pass significantly larger codebases or documents without chunking.
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