Claude Opus 4.6 vs Claude Sonnet 4.6
Side-by-side comparison of Claude Opus 4.6 by Anthropic and Claude Sonnet 4.6 by Anthropic on the 1vy AI gateway. Both models are accessible through a single OpenAI-compatible API key.
Pricing comparison
| Claude Opus 4.6 | Claude Sonnet 4.6 | |
|---|---|---|
| Provider | Anthropic | Anthropic |
| Input / 1M tokens | $5.75 | $3.45 |
| Output / 1M tokens | $28.75 | $17.25 |
Which is cheaper?
Claude Sonnet 4.6 has cheaper input tokens ($3.45/1M). Claude Sonnet 4.6 has cheaper output tokens ($17.25/1M). Choose based on your workload's input/output ratio — chat/generation workloads usually favor cheaper output, while summarization/classification favors cheaper input.
One API key for both
On 1vy, switching between Claude Opus 4.6 and Claude Sonnet 4.6 is a one-parameter change in your OpenAI SDK call. No separate provider accounts, no separate billing. Sign up at 1vy.ai/register for $1 free credit to test both models.
More comparisons: Claude Opus 4.6 details · Claude Sonnet 4.6 details · full catalog