Head-to-Head Model Comparison

OpenAI o1 vs Kimi K3

Benchmarks, API Token Pricing, Context Window & Speed Comparison

Vérifié par l’équipe de recherche de GetInfoUsDernière révision : October 2026Politique éditoriale
Partager
Related topics (4)
OpenAIMoonshot AIreasoningflagship

Compare OpenAI o1 by OpenAI against Kimi K3 by Moonshot AI across real-world coding, reasoning, token economics, and latency.

Comparaison Face-à-Face (VS)

Changez et Comparez les Modèles

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

OpenAI o1

Cerveau du raisonnement

d'OpenAI de référence pensée modèle trained avec grand-échelle reinforcement learning à deliberate par complexe science, mathématiques, et ingénierie logicielle questions.

Intelligence Index55 / 100
Input Token:

$15.00 / 1M

Output Token:

$60.00 / 1M

Context Window:

200K tokens

SWE-bench Verified:

48.9%

Moonshot AI

Kimi K3

Raisonneur open source de 2.8T

Le géant modèle MoE open source de 2,8T de Moonshot AI avec une fenêtre de contexte de 1 million de tokens et des capacités révolutionnaires de codage.

Intelligence Index93 / 100
Input Token:

$0.00 / 1M

Output Token:

$0.00 / 1M

Context Window:

1.05M tokens

SWE-bench Verified:

74.5%

Différences Clés en un Coup d’Œil

  • Kimi K3 is 1.0x cheaper for API usage (input + output tokens combined).
  • Kimi K3 has a larger context window (1M vs 200K tokens).
  • OpenAI o1 is faster at 60 tok/s vs 58 tok/s.
  • Kimi K3 leads on SWE-bench coding (74.5% vs 48.9%).
Need definitions for token pricing, context, or benchmarks?Explore AI Glossary →
CaractéristiqueOpenAI o1Kimi K3
Intelligence Index
Composite reasoning & knowledge score (0-100)
5593
Provider
OpenAIMoonshot AI
Input Price
Cost per million input tokens
$15.00 / 1M$0.00 / 1M
Output Price
Cost per million output tokens
$60.00 / 1M$0.00 / 1M
Blended Price
Weighted 7:2:1 cache:input:output per 1M
$14.25 / 1M$0.00 / 1M
Context Window
Maximum input + output tokens
200K tokens~300 A4 pages of text1.05M tokens~1,573 A4 pages of text
Max Output Tokens
Per single request
100K131K
Throughput Speed
Tokens generated per second
60 tok/s58 tok/s
SWE-bench Verified
Real-world software engineering
48.9%74.5%
GPQA Diamond
Graduate-level reasoning
77.3%79%
Cached Input Price
Prompt caching discount per 1M tokens
$7.50 / 1M$0.00 / 1M

Qui gagne où ?

At-a-glance decision framework
Code
Kimi K3
+25.6% SWE-bench lead
Coût
Kimi K3
1.0x cheaper monthly runtime
Vitesse
OpenAI o1
+3% faster generation
Contexte
Kimi K3
1.05M tokens window

Scores de Benchmarks Vérifiés

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

OpenAI o1Kimi K3
SWE-bench Verified (Autonomous Coding)

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

48.9%vs74.5%
GPQA Diamond (Doctorate-Level Science & Math)

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

77.3%vs79%
MMLU-Pro (Multi-task Language Understanding)

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

89.6%vs88.8%
LMSYS Chatbot Arena Elo

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

1355ptsvs1480pts
Humanity's Last Exam (Frontier Expert Knowledge)

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

10.8%vsN/A
Terminal-Bench (Agentic Coding & Terminal Use)

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

43.5%vsN/A
SciCode (Scientific Computing)

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

44.2%vsN/A
LiveCodeBench (Competitive Coding)

Contamination-free competitive programming problems collected continuously over time.

72.1%vsN/A
AIME (Advanced Math Competition)

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

83.3%vsN/A
Long-Context Reasoning

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

75%vsN/A
Generation Speed (Throughput)

Tokens emitted per second during active generation streaming.

60 tok/s vs58 tok/s

Latence et Temps de Réponse

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
OpenAI o13.20s
Kimi K30.72s
Est. End-to-End Response (500 tokens)TTFT + generation time
OpenAI o111.53s
Kimi K39.34s

Simulateur Interactif de Coût de Tokens

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)
OpenAI o1 Monthly API Bill
$87.75 / month
$15/1M in · $60/1M out
Kimi K3 Monthly API Bill
$0.00 / month
$0/1M in · $0/1M out
Kimi K3 saves approximately $87.75 / month (100%) under this workload.1.0x Savings

OpenAI o1 · Strengths & Key Advantages

  • Phenomenal GPQA Diamond (77.3%) et AIME mathématiques performances
  • étendu internal chaîne de pensée auto-corrects subtle logical errors before responding
  • 200K fenêtre de contexte avec up à 100K sortie tokens
Considerations & Trade-offs
  • Significant latence before initial token sortie due à raisonnement deliberation
  • supérieur tarification palier ($15/$60 par 1M tokens) suitable pour profond raisonnement sur casual chat

Kimi K3 · Strengths & Key Advantages

  • Largest à poids ouverts modèle de fondation dans existence (2.8T paramètres)
  • 1480 LMSYS Chatbot Arena Elo rivaling propriétaire fermé de pointe leaders
  • complet 1M token fenêtre de contexte paired avec massif 131K max sortie tokens
Considerations & Trade-offs
  • Extreme matériel prerequisites (distributed multinœud cluster déploiement)
  • génère extensive raisonnement traces qui demand careful token économique management

Token Use & Task Economics

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

MetricOpenAI o1Kimi K3
Cost per Task
Estimated USD to finish one task
$0.20$2.00
Output Tokens / Task
Tokens generated per task
24K35K
Reasoning Tokens / Task
Thinking tokens burned per task
15K18K

Spécifications Techniques

Architecture, release timeline, capabilities, and modalities.

CaractéristiqueOpenAI o1Kimi K3
Official API Model ID (SDK)o1kimi-k3
API ProtocolOpenAI Responses API & Chat Completions v1OpenAI-Compatible REST / vLLM / SGLang / HuggingFace TGI
Release Date2024-122026-07
Knowledge CutoffOctober 2023March 2026
ArchitectureChain-of-Thought Reasoning FoundationColossus-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 ($15/1M in) across full 200K windowFree across full context window (only KV-cache VRAM scales)
Prompt Cache Policy & TTLAutomatic prefix caching at $7.5/1M (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

OpenAI o1 vs Kimi K3: Réponses Rapides (FAQ)

Which is more intelligent, OpenAI o1 or Kimi K3?

Kimi K3 is more intelligent. It scores 93 compared with 55 on the composite Intelligence Index.

Which model is faster?

OpenAI o1 is faster, generating 60 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 $14.25 (7:2:1 cache:input:output ratio).

Which model has lower latency?

Kimi K3 has lower latency, with a time to first token of 0.72s compared with 3.20s.

Which model has a larger context window?

Kimi K3 has a larger context window, supporting 1.05M tokens compared with 200K tokens.

Verdict

Choose OpenAI o1 for doctorate-level scientifique recherche, compétitif algorithmic codage, et élevé-stakes mathématique proofs, or choose Kimi K3 for audits de bases de code à contexte long, analyse de dépôts complets et tâches agentiques autonomes.

Questions fréquentes

Which is cheaper: OpenAI o1 or Kimi K3?+

OpenAI o1 costs $15/1M input and $60/1M output tokens, while Kimi K3 costs $0/1M input and $0/1M output tokens.

Which model has a larger context window: OpenAI o1 or Kimi K3?+

OpenAI o1 supports 200K 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.

Les scores de benchmarks, tarifs par token et limites évoluent rapidement. Vérifiez toujours les spécifications actuelles sur la documentation officielle du fournisseur.

Sources: OpenAI & Moonshot AI Official Documentation