Claude Opus 5 vs Claude Sonnet 4.6
Claude Opus 5 (Anthropic) versus Claude Sonnet 4.6 (Anthropic): API pricing, context window, capabilities and uptime, from the same data as each model page, at the SoleAPI default channel price. Input costs 2.5 Credits / M for Claude Opus 5 and 1.5 Credits / M for Claude Sonnet 4.6, so Claude Sonnet 4.6 is 40% cheaper. Context windows are 1M and 1M.
Claude Opus 5claude-opus-5Claude Sonnet 4.6claude-sonnet-4-6Specs side by side
| Item | Claude Opus 5claude-opus-5 | Claude Sonnet 4.6claude-sonnet-4-6 |
|---|---|---|
| Input (prompt) · Credits / M | 2.5≈ $0.379 | 1.5≈ $0.227 |
| Output (completion) · Credits / M | 12.5≈ $1.89 | 7.5≈ $1.14 |
| Cache read · Credits / M | 0.25 | 0.15 |
| Context window | 1M | 1M |
| Max output | 128K | 128K |
| 7-day uptime | — | — |
| Latest probe latency | — | — |
| Measured throughput | 82.1 t/s | 109.5 t/s |
| Protocols | Anthropic Messages / Gemini generateContent / OpenAI Responses | Anthropic Messages / Gemini generateContent / OpenAI Responses |
| Sample monthly cost (10M in + 2M out) | 50≈ $7.57 | 30≈ $4.54 |
Prices are the SoleAPI default channel price in Credits (1 Credit = ¥1); green marks the better side. Uptime and latency come from SoleAPI probes; a dash means the model is not probed yet.
Capabilities
FAQ
Which is cheaper, Claude Opus 5 or Claude Sonnet 4.6?
At the SoleAPI default channel price, Claude Opus 5 input costs 2.5 Credits / M and Claude Sonnet 4.6 input costs 1.5 Credits / M, so Claude Sonnet 4.6 is 40% cheaper. Output and cache prices are in the specs table above.
Which has the larger context window, Claude Opus 5 or Claude Sonnet 4.6?
Claude Opus 5 offers 1M tokens, Claude Sonnet 4.6 offers 1M tokens.
Can I switch between Claude Opus 5 and Claude Sonnet 4.6 at any time?
Yes. SoleAPI calls every model with the same API key; switching is just changing the model field in the request, and billing is split per model in one console.
How do the capabilities of Claude Opus 5 and Claude Sonnet 4.6 differ?
Their capability flags are identical. Every other capability is either supported by both or by neither; see the capability table above.
More comparisons
One API key for both Claude Opus 5 and Claude Sonnet 4.6
Free credits on sign-up, pay as you go, no monthly fee.