Kimi K2.6 vs Kimi K3.1 Pro Highspeed

Kimi K2.6 (Kimi) versus Kimi K3.1 Pro Highspeed (Kimi): API pricing, context window, capabilities and uptime, from the same data as each model page, at the WandAPI default channel price. Input costs 3.9 Credits / M for Kimi K2.6 and 15.6 Credits / M for Kimi K3.1 Pro Highspeed, so Kimi K2.6 is 75% cheaper. Context windows are 256K and 1M.

Kimi K2.6kimi-k2.6
Kimi
Input (prompt)
3.9Credits / M
≈ $0.591
Output (completion)
16.2Credits / M
≈ $2.45
256K context · — output40% off
Kimi K2.6 details
Kimi K3.1 Pro Highspeedkimi-k3.1-pro-highspeed
Kimi
Input (prompt)
15.6Credits / M
≈ $2.36
Output (completion)
81.6Credits / M
≈ $12.36
1M context · — output40% off
Kimi K3.1 Pro Highspeed details
Lower input price
Kimi K2.6
75% cheaper
Larger context
Kimi K3.1 Pro Highspeed
256K · 1M
More exclusive capabilities
Kimi K3.1 Pro Highspeed
Web Search

Specs side by side

Item
Kimi K2.6kimi-k2.6
Kimi K3.1 Pro Highspeedkimi-k3.1-pro-highspeed
Input (prompt) · Credits / M3.9≈ $0.59115.6≈ $2.36
Output (completion) · Credits / M16.2≈ $2.4581.6≈ $12.36
Cache read · Credits / M0.660.78
Context window256K1M
Max output——
7-day uptime——
Latest probe latency——
Measured throughput——
ProtocolsAnthropic MessagesAnthropic Messages / OpenAI Responses
Sample monthly cost (10M in + 2M out)71.4≈ $10.81319.2≈ $48.34

Prices are the WandAPI default channel price in Credits (1 Credit = ¥1); green marks the better side. Uptime and latency come from WandAPI probes; a dash means the model is not probed yet.

Capabilities

CapabilityKimi K2.6Kimi K3.1 Pro Highspeed
Vision
Function Calling
Reasoning
Prompt Caching
Response Schema
Video
Streaming
Web Search
Audio
File Input
Realtime
Session
Media
Multipart Form
Binary Response

FAQ

Which is cheaper, Kimi K2.6 or Kimi K3.1 Pro Highspeed?

At the WandAPI default channel price, Kimi K2.6 input costs 3.9 Credits / M and Kimi K3.1 Pro Highspeed input costs 15.6 Credits / M, so Kimi K2.6 is 75% cheaper. Output and cache prices are in the specs table above.

Which has the larger context window, Kimi K2.6 or Kimi K3.1 Pro Highspeed?

Kimi K2.6 offers 256K tokens, Kimi K3.1 Pro Highspeed offers 1M tokens.

Can I switch between Kimi K2.6 and Kimi K3.1 Pro Highspeed at any time?

Yes. WandAPI 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 Kimi K2.6 and Kimi K3.1 Pro Highspeed differ?

Only Kimi K3.1 Pro Highspeed: Web Search. Every other capability is either supported by both or by neither; see the capability table above.

More comparisons

Kimi K2.6 vs Kimi K2.7 CodeKimi K2.6 vs Kimi K3Kimi K3.1 Pro Highspeed vs Kimi K3.1 ProKimi K3.1 Pro Highspeed vs Kimi K2.7 CodeKimi K3.1 Pro Highspeed vs Kimi K3

One API key for both Kimi K2.6 and Kimi K3.1 Pro Highspeed

Free credits on sign-up, pay as you go, no monthly fee.

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