Head-to-Head Model Comparison

GPT-5.6 Luna vs Kimi K3

Benchmarks, API Token Pricing, Context Window & Speed Comparison

GetInfoUs अनुसंधान दल द्वारा समीक्षितअंतिम समीक्षा: October 2026संपादकीय नीति
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OpenAIMoonshot AIlightweightflagship

Compare GPT-5.6 Luna by OpenAI against Kimi K3 by Moonshot AI across real-world coding, reasoning, token economics, and latency.

आमने-सामने मॉडल तुलना (VS)

किसी भी मॉडल को बदलें और तुलना करें

Select any AI models from our verified benchmark database to generate live side-by-side matrices.

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Live comparison: no in-depth editorial review has been published for this pair yet.

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OpenAI

GPT-5.6 Luna

डीप रीजनिंग मॉडल

OpenAI द्वारा विकसित GPT-5.6 Luna एक उन्नत AI मॉडल है, जिसमें 1.1M टोकन का कॉन्टेक्स्ट विंडो और $0.2/1M इनपुट तथा $1.2/1M आउटपुट मूल्य निर्धारण है। यह कोडिंग, विश्लेषण और एंटरप्राइज वर्कफ़्लो के लिए उपयुक्त है।

Intelligence Index57 / 100
Input Token:

$0.20 / 1M

Output Token:

$1.20 / 1M

Context Window:

1.05M tokens

SWE-bench Verified:

63.5%

Moonshot AI

Kimi K3

ओपन-वेट्स मॉडल

Moonshot AI द्वारा विकसित Kimi K3 एक उन्नत AI मॉडल है, जिसमें 1.0M टोकन का कॉन्टेक्स्ट विंडो और $0/1M इनपुट तथा $0/1M आउटपुट मूल्य निर्धारण है। यह कोडिंग, विश्लेषण और एंटरप्राइज वर्कफ़्लो के लिए उपयुक्त है।

Intelligence Index93 / 100
Input Token:

$0.00 / 1M

Output Token:

$0.00 / 1M

Context Window:

1.05M tokens

SWE-bench Verified:

74.5%

एक नज़र में मुख्य अंतर

  • Kimi K3 is 1.0x cheaper for API usage (input + output tokens combined).
  • GPT-5.6 Luna has a larger context window (1M vs 1M tokens).
  • GPT-5.6 Luna is faster at 230 tok/s vs 58 tok/s.
  • Kimi K3 leads on SWE-bench coding (74.5% vs 63.5%).
Need definitions for token pricing, context, or benchmarks?Explore AI Glossary →
FeatureGPT-5.6 LunaKimi K3
Intelligence Index
Composite reasoning & knowledge score (0-100)
5793
Provider
OpenAIMoonshot AI
Input Price
Cost per million input tokens
$0.20 / 1M$0.00 / 1M
Output Price
Cost per million output tokens
$1.20 / 1M$0.00 / 1M
Blended Price
Weighted 7:2:1 cache:input:output per 1M
$0.17 / 1M$0.00 / 1M
Context Window
Maximum input + output tokens
1.05M tokens~1,575 A4 pages of text1.05M tokens~1,573 A4 pages of text
Max Output Tokens
Per single request
128K131K
Throughput Speed
Tokens generated per second
230 tok/s58 tok/s
SWE-bench Verified
Real-world software engineering
63.5%74.5%
GPQA Diamond
Graduate-level reasoning
70.5%79%
Cached Input Price
Prompt caching discount per 1M tokens
$0.02 / 1M$0.00 / 1M

किस क्षेत्र में कौन आगे है?

At-a-glance decision framework
Coding
Kimi K3
+11.0% SWE-bench lead
Cost
Kimi K3
1.0x cheaper monthly runtime
Speed
GPT-5.6 Luna
+297% faster generation
Context
GPT-5.6 Luna
1.05M tokens window

सत्यापित बेंचमार्क स्कोर तुलना

Official evaluation metrics verified by independent third-party research labs.

GPT-5.6 LunaKimi K3
SWE-bench Verified (Autonomous Coding)

Industry benchmark evaluating real-world GitHub issue resolution and multi-file debugging.

63.5%vs74.5%
GPQA Diamond (Doctorate-Level Science & Math)

Challenging questions created by domain experts to test complex PhD-level reasoning.

70.5%vs79%
MMLU-Pro (Multi-task Language Understanding)

Hardened reasoning and academic knowledge benchmark with reduced lucky-guess probability.

83.5%vs88.8%
LMSYS Chatbot Arena Elo

Crowdsourced human preference evaluation based on blind, head-to-head model battles.

1368ptsvs1480pts
Humanity's Last Exam (Frontier Expert Knowledge)

Extremely difficult, closed-ended questions spanning the frontier of human expert knowledge.

11.4%vsN/A
Terminal-Bench (Agentic Coding & Terminal Use)

Autonomous multi-step tasks executed inside a real command-line terminal environment.

38.5%vsN/A
SciCode (Scientific Computing)

Research-grade coding problems drawn from real scientific and numerical workloads.

36%vsN/A
LiveCodeBench (Competitive Coding)

Contamination-free competitive programming problems collected continuously over time.

62.5%vsN/A
AIME (Advanced Math Competition)

American Invitational Mathematics Examination — multi-step Olympiad-level reasoning.

87%vsN/A
Long-Context Reasoning

Accuracy when reasoning over very large inputs that fill the model context window.

76.5%vsN/A
Generation Speed (Throughput)

Tokens emitted per second during active generation streaming.

230 tok/s vs58 tok/s

लेटेंसी और रिस्पॉन्स समय

Time to first token (TTFT) and estimated end-to-end response time for a typical 500-token response.

Time to First Token (TTFT)Lower is better
GPT-5.6 Luna0.42s
Kimi K30.72s
Est. End-to-End Response (500 tokens)TTFT + generation time
GPT-5.6 Luna2.59s
Kimi K39.34s

रियल-टाइम टोकन लागत सिम्युलेटर

Adjust sliders to calculate projected monthly cloud API spending with prompt caching discounts.

100K / day
10K500K1M
30K / day
5K150K300K
50% cached
0% (Cold)50%90% (Warm)
GPT-5.6 Luna Monthly API Bill
$1.41 / month
$0.2/1M in · $1.2/1M out
Kimi K3 Monthly API Bill
$0.00 / month
$0/1M in · $0/1M out
Kimi K3 saves approximately $1.41 / month (100%) under this workload.1.0x Savings

GPT-5.6 Luna · Strengths & Key Advantages

  • OpenAI की उन्नत Efficient compact reasoning model आर्किटेक्चर और 1.1M कॉन्टेक्स्ट विंडो क्षमता
  • किफायती और पारदर्शी API मूल्य ($0.2/1M इनपुट, $1.2/1M आउटपुट) तेज़ रिस्पॉन्स के साथ
  • जटिल कोडिंग, तार्किक विश्लेषण और बहुभाषी कार्यों में उच्च सटीकता
Considerations & Trade-offs
  • बड़े पैमाने पर लंबे कॉन्टेक्स्ट प्रॉम्प्ट्स के लिए टोकन बजट प्रबंधन आवश्यक है
  • विशिष्ट डोमेन कार्यों में सर्वोत्तम परिणाम के लिए सटीक प्रॉम्प्ट इंजीनियरिंग की आवश्यकता होती है

Kimi K3 · Strengths & Key Advantages

  • Moonshot AI की उन्नत Colossus-Scale Multimodal Sparse Mixture-of-Experts आर्किटेक्चर और 1.0M कॉन्टेक्स्ट विंडो क्षमता
  • किफायती और पारदर्शी API मूल्य ($0/1M इनपुट, $0/1M आउटपुट) तेज़ रिस्पॉन्स के साथ
  • जटिल कोडिंग, तार्किक विश्लेषण और बहुभाषी कार्यों में उच्च सटीकता
Considerations & Trade-offs
  • बड़े पैमाने पर लंबे कॉन्टेक्स्ट प्रॉम्प्ट्स के लिए टोकन बजट प्रबंधन आवश्यक है
  • विशिष्ट डोमेन कार्यों में सर्वोत्तम परिणाम के लिए सटीक प्रॉम्प्ट इंजीनियरिंग की आवश्यकता होती है

Token Use & Task Economics

Estimated cost and token consumption to complete one representative agentic task.

MetricGPT-5.6 LunaKimi K3
Cost per Task
Estimated USD to finish one task
$0.19$2.00
Output Tokens / Task
Tokens generated per task
46K35K
Reasoning Tokens / Task
Thinking tokens burned per task
20K18K

तकनीकी विशिष्टताएँ (Specs)

Architecture, release timeline, capabilities, and modalities.

FeatureGPT-5.6 LunaKimi K3
Official API Model ID (SDK)gpt-5-6-lunakimi-k3
API ProtocolOpenAI Responses API & Chat Completions v1OpenAI-Compatible REST / vLLM / SGLang / HuggingFace TGI
Release Date2026-072026-07
Knowledge CutoffFebruary 2026March 2026
ArchitectureEfficient compact reasoning modelColossus-Scale Multimodal Sparse Mixture-of-Experts
ParametersConfidential2.8T total (MoE)
Enterprise Rate Limits (RPM / TPM)10,000 – 30,000 RPM (Tier 5 Enterprise) · 4,000,000 – 10,000,000 TPMUnlimited (Hardware-bound on self-hosted GPU) / 10,000 RPM Cloud · Unlimited local throughput / 10M+ TPM Managed Cloud
Long-Context Tier (>128K/200K)Flat rate ($0.2/1M in) across full 1050K windowFree across full context window (only KV-cache VRAM scales)
Prompt Cache Policy & TTLAutomatic prefix caching at $0.02/1M (no extra cache-write fee)Automatic prefix KV-caching in vLLM / SGLang (0 cost)
Computer Use / GUI AgentSupported (Screen coordinate grounding, browser & desktop GUI action loops)Supported (Screen coordinate grounding, browser & desktop GUI action loops)
MCP & Parallel Tool CallingNative MCP Client/Server ready · Parallel function calling · 100% Strict JSON SchemaNative MCP Client/Server ready · Parallel function calling · 100% Strict JSON Schema
Web Search Grounding & SandboxNative Web Search tool + Hosted Code Interpreter & File Search RAGSupported via external Tavily/Exa Search & E2B/Docker Sandbox tools
Official Fine-Tuning SupportSupervised Fine-Tuning (SFT), Direct Preference (DPO) & Reinforcement Fine-Tuning (RFT)Full Weights SFT, LoRA, QLoRA, DPO & GRPO RL (Unsloth / Axolotl / Llama-Factory)
Multimodal Token BillingText BPE (~4 chars/token) · Vision (~258–765 tokens per image tile)Text BPE (~4 chars/token) · Vision (~258–765 tokens per image tile)
Quantization & Min GPU VRAMCloud-Hosted Proprietary (FP8 / BF16 Tensor Core Cluster) · Zero Local VRAM Required (100% Serverless Cloud API)BF16 / FP16, FP8 Dynamic, INT4 AWQ / GPTQ, GGUF (Q4_K_M / Q8_0) · 1736 GB VRAM (4-bit Quantized) · 6020 GB VRAM (Native BF16)
Safety & Frontier ClassificationOpenAI Preparedness Framework Audited & System Card PublishedOpen-Weights System Card + Customizable Guardrail Layer (Llama Guard / ShieldGemma)
Enterprise Compliance (ZDR/HIPAA/SOC2)SOC2 Type II · GDPR · Zero Data Retention (ZDR) & HIPAA BAA Available on Enterprise Tier100% Air-Gapped On-Premises / Private VPC · Full HIPAA, GDPR & SOC2 Control
Input Modalitiestext, visiontext, vision
Output Modalitiestexttext

GPT-5.6 Luna vs Kimi K3: त्वरित प्रश्नोत्तर (FAQ)

Which is more intelligent, GPT-5.6 Luna or Kimi K3?

Kimi K3 is more intelligent. It scores 93 compared with 57 on the composite Intelligence Index.

Which model is faster?

GPT-5.6 Luna is faster, generating 230 tokens per second compared with 58 tokens per second.

Which model is cheaper to run?

Kimi K3 is cheaper at $0.00 per 1M tokens blended, compared with $0.17 (7:2:1 cache:input:output ratio).

Which model has lower latency?

GPT-5.6 Luna has lower latency, with a time to first token of 0.42s compared with 0.72s.

Which model has a larger context window?

GPT-5.6 Luna has a larger context window, supporting 1.05M tokens compared with 1.05M tokens.

निष्कर्ष

Choose GPT-5.6 Luna for एंटरप्राइज ऑटोमेशन, सॉफ्टवेयर डेवलपमेंट, ai एजेंट्स और openai आधारित प्रोडक्शन सिस्टम, or choose Kimi K3 for एंटरप्राइज ऑटोमेशन, सॉफ्टवेयर डेवलपमेंट, ai एजेंट्स और moonshot ai आधारित प्रोडक्शन सिस्टम.

अक्सर पूछे जाने वाले प्रश्न (FAQ)

Which is cheaper: GPT-5.6 Luna or Kimi K3?+

GPT-5.6 Luna costs $0.2/1M input and $1.2/1M output tokens, while Kimi K3 costs $0/1M input and $0/1M output tokens.

Which model has a larger context window: GPT-5.6 Luna or Kimi K3?+

GPT-5.6 Luna supports 1.1M tokens whereas Kimi K3 supports 1.0M tokens.

AI Terminology & Guide
Explore Glossary →

Understand key metrics like context window, token pricing, reasoning mode, and SWE-bench scores in our comprehensive AI glossary.

Benchmark scores, token prices, and rate limits evolve rapidly as AI labs release model updates. Always verify current specifications and pricing on the official provider documentation.

स्रोत: OpenAI & Moonshot AI Official Documentation