Head-to-Head Model Comparison

GPT-5 nano vs Kimi K3

Benchmarks, API Token Pricing, Context Window & Speed Comparison

Ditinjau oleh tim riset GetInfoUsPeninjauan terakhir: October 2026Kebijakan editorial
Bagikan
Related topics (4)
OpenAIMoonshot AIlightweightflagship

Compare GPT-5 nano by OpenAI against Kimi K3 by Moonshot AI across real-world coding, reasoning, token economics, and latency.

Perbandingan Langsung (VS)

Ganti & Bandingkan Model Apa Saja

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

Profile
Profile
Multi-Model Arena Stack:
5-Model Matrix Workbench

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

Popular Matchups:
OpenAI

GPT-5 nano

Model Penalaran Mendalam

GPT-5 nano dari OpenAI adalah model AI canggih dengan jendela konteks 400K token serta harga API $0.05/1M token input dan $0.4/1M token output untuk pemrograman, penalaran, dan otomasi bisnis.

Intelligence Index35 / 100
Input Token:

$0.05 / 1M

Output Token:

$0.40 / 1M

Context Window:

400K tokens

SWE-bench Verified:

34.5%

Moonshot AI

Kimi K3

Model Open-Weights

Kimi K3 dari Moonshot AI adalah model AI canggih dengan jendela konteks 1.0M token serta harga API $0/1M token input dan $0/1M token output untuk pemrograman, penalaran, dan otomasi bisnis.

Intelligence Index93 / 100
Input Token:

$0.00 / 1M

Output Token:

$0.00 / 1M

Context Window:

1.05M tokens

SWE-bench Verified:

74.5%

Perbedaan Utama Sekilas

  • Kimi K3 is 1.0x cheaper for API usage (input + output tokens combined).
  • Kimi K3 has a larger context window (1M vs 400K tokens).
  • GPT-5 nano is faster at 250 tok/s vs 58 tok/s.
  • Kimi K3 leads on SWE-bench coding (74.5% vs 34.5%).
Need definitions for token pricing, context, or benchmarks?Explore AI Glossary →
FeatureGPT-5 nanoKimi K3
Intelligence Index
Composite reasoning & knowledge score (0-100)
3593
Provider
OpenAIMoonshot AI
Input Price
Cost per million input tokens
$0.05 / 1M$0.00 / 1M
Output Price
Cost per million output tokens
$0.40 / 1M$0.00 / 1M
Blended Price
Weighted 7:2:1 cache:input:output per 1M
$0.05 / 1M$0.00 / 1M
Context Window
Maximum input + output tokens
400K tokens~600 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
250 tok/s58 tok/s
SWE-bench Verified
Real-world software engineering
34.5%74.5%
GPQA Diamond
Graduate-level reasoning
48%79%
Cached Input Price
Prompt caching discount per 1M tokens
$0.01 / 1M$0.00 / 1M

Siapa Unggul di Mana?

At-a-glance decision framework
Coding
Kimi K3
+40.0% SWE-bench lead
Cost
Kimi K3
1.0x cheaper monthly runtime
Speed
GPT-5 nano
+331% faster generation
Context
Kimi K3
1.05M tokens window

Skor Benchmark Terverifikasi

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

GPT-5 nanoKimi K3
SWE-bench Verified (Autonomous Coding)

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

34.5%vs74.5%
GPQA Diamond (Doctorate-Level Science & Math)

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

48%vs79%
MMLU-Pro (Multi-task Language Understanding)

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

66.5%vs88.8%
LMSYS Chatbot Arena Elo

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

1250ptsvs1480pts
Humanity's Last Exam (Frontier Expert Knowledge)

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

6%vsN/A
Terminal-Bench (Agentic Coding & Terminal Use)

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

18.5%vsN/A
SciCode (Scientific Computing)

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

22%vsN/A
LiveCodeBench (Competitive Coding)

Contamination-free competitive programming problems collected continuously over time.

37.5%vsN/A
AIME (Advanced Math Competition)

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

62%vsN/A
Long-Context Reasoning

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

57%vsN/A
Generation Speed (Throughput)

Tokens emitted per second during active generation streaming.

250 tok/s vs58 tok/s

Latensi & Waktu Respons

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 nano0.38s
Kimi K30.72s
Est. End-to-End Response (500 tokens)TTFT + generation time
GPT-5 nano2.38s
Kimi K39.34s

Simulator Biaya Token Interaktif

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 nano Monthly API Bill
$0.44 / month
$0.05/1M in · $0.4/1M out
Kimi K3 Monthly API Bill
$0.00 / month
$0/1M in · $0/1M out
Kimi K3 saves approximately $0.44 / month (100%) under this workload.1.0x Savings

GPT-5 nano · Strengths & Key Advantages

  • Arsitektur Nano unified reasoning model mutakhir dari OpenAI dengan dukungan konteks 400K token
  • Efisiensi biaya API yang kompetitif ($0.05/1M input, $0.4/1M output) dan respons cepat
  • Performa andal dalam pembuatan kode, analisis logika, serta pemahaman multibahasa
Considerations & Trade-offs
  • Penggunaan konteks berukuran penuh memerlukan pengelolaan anggaran token yang cermat
  • Membutuhkan perancangan prompt yang tepat untuk kasus penggunaan industri spesifik

Kimi K3 · Strengths & Key Advantages

  • Arsitektur Colossus-Scale Multimodal Sparse Mixture-of-Experts mutakhir dari Moonshot AI dengan dukungan konteks 1.0M token
  • Efisiensi biaya API yang kompetitif ($0/1M input, $0/1M output) dan respons cepat
  • Performa andal dalam pembuatan kode, analisis logika, serta pemahaman multibahasa
Considerations & Trade-offs
  • Penggunaan konteks berukuran penuh memerlukan pengelolaan anggaran token yang cermat
  • Membutuhkan perancangan prompt yang tepat untuk kasus penggunaan industri spesifik

Token Use & Task Economics

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

MetricGPT-5 nanoKimi K3
Cost per Task
Estimated USD to finish one task
$0.06$2.00
Output Tokens / Task
Tokens generated per task
42K35K
Reasoning Tokens / Task
Thinking tokens burned per task
18K18K

Spesifikasi Teknis

Architecture, release timeline, capabilities, and modalities.

FeatureGPT-5 nanoKimi K3
Official API Model ID (SDK)gpt-5-nanokimi-k3
API ProtocolOpenAI Responses API & Chat Completions v1OpenAI-Compatible REST / vLLM / SGLang / HuggingFace TGI
Release Date2025-082026-07
Knowledge CutoffSeptember 2024March 2026
ArchitectureNano unified 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) · 800,000 – 2,000,000 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 ($0.05/1M in) across full 400K windowFree across full context window (only KV-cache VRAM scales)
Prompt Cache Policy & TTLAutomatic prefix caching at $0.005/1M (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 nano vs Kimi K3: Jawaban Cepat (FAQ)

Which is more intelligent, GPT-5 nano or Kimi K3?

Kimi K3 is more intelligent. It scores 93 compared with 35 on the composite Intelligence Index.

Which model is faster?

GPT-5 nano is faster, generating 250 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 $0.05 (7:2:1 cache:input:output ratio).

Which model has lower latency?

GPT-5 nano has lower latency, with a time to first token of 0.38s compared with 0.72s.

Which model has a larger context window?

Kimi K3 has a larger context window, supporting 1.05M tokens compared with 400K tokens.

Kesimpulan

Choose GPT-5 nano for otomasi perusahaan, pengembangan perangkat lunak, agen ai, dan alur kerja produksi berbasis openai, or choose Kimi K3 for otomasi perusahaan, pengembangan perangkat lunak, agen ai, dan alur kerja produksi berbasis moonshot ai.

Pertanyaan Umum (FAQ)

Which is cheaper: GPT-5 nano or Kimi K3?+

GPT-5 nano costs $0.05/1M input and $0.4/1M output tokens, while Kimi K3 costs $0/1M input and $0/1M output tokens.

Which model has a larger context window: GPT-5 nano or Kimi K3?+

GPT-5 nano supports 400K 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.

Sumber resmi: OpenAI & Moonshot AI Official Documentation