Claude 3.5 Sonnet vs Gemini 1.5 Flash
Compare Claude 3.5 Sonnet vs Gemini 1.5 Flash API pricing, token costs, context windows, and latency. See which model is cheaper and better for your stack.
Claude 3.5 Sonnet charges $3.00/1M input and $15.00/1M output tokens, compared to Gemini 1.5 Flash at $0.07/1M input and $0.30/1M output. Gemini 1.5 Flash is 40.0x cheaper on input tokens. In benchmark reasoning, Claude 3.5 Sonnet holds the higher intelligence rating (94/100). For latency-critical streaming, Claude 3.5 Sonnet delivers 80 t/s (460ms TTFT) while Gemini 1.5 Flash provides 180 t/s (210ms TTFT).
Full Metric & Specification Comparison
| Metric | Claude 3.5 Sonnet | Gemini 1.5 Flash | Advantage |
|---|---|---|---|
| Provider | Anthropic | - | |
| Input Token Cost (1M) | $3.000 | $0.075 | Gemini 1.5 Flash |
| Output Token Cost (1M) | $15.000 | $0.300 | Gemini 1.5 Flash |
| Context Window | 200k tokens | 1,000k tokens | Gemini 1.5 Flash |
| Intelligence Benchmark Score | 94/100 | 79/100 | Claude 3.5 Sonnet |
| Streaming Latency | Fast | Ultra-Fast | - |
Key Architectural Takeaways
- Input Token Cost: Claude 3.5 Sonnet is $3.00/1M vs Gemini 1.5 Flash at $0.07/1M
- Output Token Cost: Claude 3.5 Sonnet is $15.00/1M vs Gemini 1.5 Flash at $0.30/1M
- Context Window: Claude 3.5 Sonnet supports 200k tokens vs Gemini 1.5 Flash with 1,000k tokens
- Benchmark Intelligence Rating: Claude 3.5 Sonnet scores 94/100 vs Gemini 1.5 Flash at 79/100
- Inference Latency: Claude 3.5 Sonnet is rated Fast 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 Claude 3.5 Sonnet saves $154.13/mo ($1850/yr) at this volume.
Frequently Asked Questions
Is Claude 3.5 Sonnet cheaper than Gemini 1.5 Flash?
Gemini 1.5 Flash is significantly more economical, charging $0.07/1M input compared to $3.00/1M for Claude 3.5 Sonnet.
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, Claude 3.5 Sonnet is recommended.
How does context window compare between Claude 3.5 Sonnet 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.
Related Model Head-to-Head Comparisons
Explore all 100+ comparisonsNever Miss an AI Token Price Cut
Whenever OpenAI, Anthropic, Google, or DeepSeek drop their API rates or increase context windows, we send a 60-second summary so your team can cut bills immediately.