Claude Sonnet 4.6 vs Gemini 3.5 Flash
anthropic/claude-sonnet-4.6 · google/gemini-3.5-flash
As of October 27, 2026, Claude Sonnet 4.6 is the cheaper API on UberLLM: $0.0300 per million input tokens and $0.1500 per million output, versus $0.3000 / $1.80 for Gemini 3.5 Flash — about 92% less on a blended 3:1 token mix. Both are reached through one OpenAI-compatible key and routed to the cheapest healthy seller, with no UberLLM fee added, so the price you see is the price you pay. Choose Claude Sonnet 4.6 to cut cost; choose Gemini 3.5 Flash when context size wins — Gemini 3.5 Flash carries the larger context window (1,048,576 vs 1,000,000 tokens), which can matter for long-document work.
Claude Sonnet 4.6 vs Gemini 3.5 Flash, side by side
| Spec | Claude Sonnet 4.6 | Gemini 3.5 Flash |
|---|---|---|
| Price · input / 1M | $0.0300 | $0.3000 |
| Price · output / 1M | $0.1500 | $1.80 |
| Context length | 1,000,000 | 1,048,576 |
| Max output tokens | 64,000 | 65,536 |
| Input modalities | text | text |
| Output modalities | text | text |
| Tools / functions | Yes | Yes |
| Reasoning | Yes | — |
| Cheapest seller | pyro | UberLLM |
| % off list | 99% off | 80% off |
Live prices via UberLLM, routed to the cheapest healthy seller. The price shown has no UberLLM fee added. Updated October 27, 2026.
Claude Sonnet 4.6 vs Gemini 3.5 Flash — FAQ
Is Claude Sonnet 4.6 or Gemini 3.5 Flash cheaper?
Claude Sonnet 4.6 is cheaper on a blended token mix, by about 92%. UberLLM routes every request to the cheapest healthy seller and bills the price shown, with no fee added.
What's the price difference between Claude Sonnet 4.6 and Gemini 3.5 Flash?
Claude Sonnet 4.6: $0.0300 in / $0.1500 out per 1M tokens. Gemini 3.5 Flash: $0.3000 in / $1.80 out per 1M tokens. That's roughly a 92% blended difference. Prices are live; UberLLM adds no fee.
Can I use both Claude Sonnet 4.6 and Gemini 3.5 Flash with one API?
Yes. Both are served through a single OpenAI-compatible endpoint — set the base URL to https://api.uberllm.dev/v1 and your UberLLM key, then switch between them by changing the model id. Anthropic SDKs work via https://api.uberllm.dev/v1/messages.