Models

GPT 5.6 Luna vs Kimi K2 0711

Compare GPT 5.6 Luna from OpenAI and Kimi K2 0711 from Moonshot AI on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the AIHubMix API.

OpenAIGPT 5.6 LunaMoonshot AIKimi K2 0711
OpenAI logo
GPT 5.6 Luna
OpenAI · text, image → text

GPT-5.6 Luna is designed for cost-sensitive, high-volume workloads. It roughly corresponds to the nano model tier used in earlier GPT-5 families.

Input$1 /M
Output$6 /M
Cache read$0.1 /M
Moonshot AI logo
Kimi K2 0711
Moonshot AI · text → text

Kimi-K2 is a MoE architecture foundational model with extremely powerful coding and agent capabilities, featuring a total of 1 trillion parameters and activating 32 billion parameters. In benchmark performance tests across major categories such as general knowledge reasoning, programming, mathematics, and agents, the K2 model outperforms other mainstream open-source models. The Kimi-K2 model supports a context length of 128k tokens. It does not support visual capabilities.

Input$0.54 /M
Output$2.16 /M

Pricing & Specifications

Prices are per million tokens. Time to First Token and throughput are rolling averages measured on AIHubMix.

GPT 5.6 Luna
Kimi K2 0711
Input /M
$1
$0.54
Output /M
$6
$2.16
Cache read /M
$0.1
-
Context length
1,050,000
NaN
Max output
128,000
0
Time to First Token
2.2 s
0.1 s
Throughput
88.4 tok/s
50.2 tok/s
Modalities
textimage
text
Supported Parameters
toolsthinkingstructured outputs
toolsfunction callingstructured outputs
API Formats
chat_completions · responses
Released
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-

Promotional prices show the discounted rate; see each model page for promotion windows.

Activity Past 30 Days

Daily traffic served through AIHubMix — how demand for each model is trending.

gpt-5.6-lunakimi-k2-0711

Tokens / day

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Requests / day

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Performance Past 3 Days

Measured on real AIHubMix traffic, hourly buckets. Gaps mean no traffic in that hour.

gpt-5.6-lunakimi-k2-0711

Throughput (tok/s)

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TTFT (s)

-

Uptime (%)

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Cost calculator

Estimate your monthly bill for the same workload on each model.

Kimi K2 0711
$64.80 /mo
GPT 5.6 Luna
$150 /mo

Monthly = daily × 30. Discounted rates applied where a promotion is active.

FAQ

Which is cheaper: GPT 5.6 Luna, Kimi K2 0711?

Kimi K2 0711: $2.16/M output tokens; GPT 5.6 Luna: $6/M. Use the cost calculator above to estimate your own workload.

Which responds faster?

Kimi K2 0711: 0.1s time to first token measured on AIHubMix; see the live performance charts above for how each model behaves across the day.

Which one generates tokens faster?

GPT 5.6 Luna at 88.4 tok/s and Kimi K2 0711 at 50.2 tok/s, measured as output throughput on AIHubMix — a separate metric from time to first token.

What inputs and capabilities does each model support?

GPT 5.6 Luna accepts text and image input and supports tool calling, thinking and structured outputs; Kimi K2 0711 accepts text input and supports tool calling, function calling and structured outputs.

Can I call GPT 5.6 Luna and Kimi K2 0711 with the same API key?

Yes. AIHubMix serves every model on this page behind one OpenAI-compatible endpoint, so switching between them is a one-line change to the model field — no second account, key or SDK.

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