Claude Sonnet 4.6 vs Claude Sonnet 5

Claude Sonnet 4.6 (Anthropic) versus Claude Sonnet 5 (Anthropic): API pricing, context window, capabilities and uptime, from the same data as each model page, at the SoleAPI default channel price. Input costs 1.5 Credits / M for Claude Sonnet 4.6 and 1 Credits / M for Claude Sonnet 5, so Claude Sonnet 5 is 33% cheaper. Context windows are 1M and 1M.

Input (prompt)
1.5Credits / M
$0.226
Output (completion)
7.5Credits / M
$1.13
1M context · 128K output92% off
Claude Sonnet 4.6 details
Input (prompt)
1Credits / M
$0.151
Output (completion)
5Credits / M
$0.753
1M context · 128K output92% off
Claude Sonnet 5 details
Lower input price
Claude Sonnet 5
33% cheaper

Specs side by side

Item
Claude Sonnet 4.6claude-sonnet-4-6
Claude Sonnet 5claude-sonnet-5
Input (prompt) · Credits / M1.5$0.2261$0.151
Output (completion) · Credits / M7.5$1.135$0.753
Cache read · Credits / M0.150.1
Context window1M1M
Max output128K128K
7-day uptime99.2%
Latest probe latency2.95 s
Measured throughput46.8 t/s46.3 t/s
ProtocolsAnthropic Messages / OpenAI ResponsesAnthropic Messages / OpenAI Responses
Sample monthly cost (10M in + 2M out)30$4.5220$3.01

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

CapabilityClaude Sonnet 4.6Claude Sonnet 5
Vision
Function Calling
Reasoning
Prompt Caching
Response Schema
Streaming
Web Search
Audio
Video
File Input
Realtime
Session
Media
Multipart Form
Binary Response

FAQ

Which is cheaper, Claude Sonnet 4.6 or Claude Sonnet 5?

At the SoleAPI default channel price, Claude Sonnet 4.6 input costs 1.5 Credits / M and Claude Sonnet 5 input costs 1 Credits / M, so Claude Sonnet 5 is 33% cheaper. Output and cache prices are in the specs table above.

Which has the larger context window, Claude Sonnet 4.6 or Claude Sonnet 5?

Claude Sonnet 4.6 offers 1M tokens, Claude Sonnet 5 offers 1M tokens.

Can I switch between Claude Sonnet 4.6 and Claude Sonnet 5 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 Sonnet 4.6 and Claude Sonnet 5 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 Sonnet 4.6 and Claude Sonnet 5

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Claude Sonnet 4.6 vs Claude Sonnet 5: API Pricing, Context & Capabilities | SoleAPI