Head-to-Head Model Comparison

o3-pro vs Llama 4 Behemoth

Benchmarks, API Token Pricing, Context Window & Speed Comparison

Vérifié par l’équipe de recherche de GetInfoUsDernière révision : October 2026Politique éditoriale
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OpenAIMetareasoningopen-source

Compare o3-pro by OpenAI against Llama 4 Behemoth by Meta across real-world coding, reasoning, token economics, and latency.

Comparaison Face-à-Face (VS)

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o3-pro

o3 à haut effort

un maximum-effort o3 palier conçu pour le hardest technique questions et profond analyse.

Intelligence Index58 / 100
Input Token:

$20.00 / 1M

Output Token:

$80.00 / 1M

Context Window:

200K tokens

SWE-bench Verified:

71.5%

Meta

Llama 4 Behemoth

Géant open source de 2T

de Meta gargantuan 2-billions paramètre ouvert modèle pushing le de pointe d'ouvert-weight capacité et 10M contexte.

Intelligence Index93 / 100
Input Token:

$0.00 / 1M

Output Token:

$0.00 / 1M

Context Window:

10M tokens

SWE-bench Verified:

75%

Différences Clés en un Coup d’Œil

  • Llama 4 Behemoth is 1.0x cheaper for API usage (input + output tokens combined).
  • Llama 4 Behemoth has a larger context window (10M vs 200K tokens).
  • Llama 4 Behemoth is faster at 45 tok/s vs 30 tok/s.
  • Llama 4 Behemoth leads on SWE-bench coding (75.0% vs 71.5%).
Need definitions for token pricing, context, or benchmarks?Explore AI Glossary →
Caractéristiqueo3-proLlama 4 Behemoth
Intelligence Index
Composite reasoning & knowledge score (0-100)
5893
Provider
OpenAIMeta
Input Price
Cost per million input tokens
$20.00 / 1M$0.00 / 1M
Output Price
Cost per million output tokens
$80.00 / 1M$0.00 / 1M
Blended Price
Weighted 7:2:1 cache:input:output per 1M
$15.50 / 1M$0.00 / 1M
Context Window
Maximum input + output tokens
200K tokens~300 A4 pages of text10M tokens~15,000 A4 pages of text
Max Output Tokens
Per single request
100K64K
Throughput Speed
Tokens generated per second
30 tok/s45 tok/s
SWE-bench Verified
Real-world software engineering
71.5%75%
GPQA Diamond
Graduate-level reasoning
79.5%82%
Cached Input Price
Prompt caching discount per 1M tokens
$5.00 / 1M$0.00 / 1M

Qui gagne où ?

At-a-glance decision framework
Code
Llama 4 Behemoth
+3.5% SWE-bench lead
Coût
Llama 4 Behemoth
1.0x cheaper monthly runtime
Vitesse
Llama 4 Behemoth
+50% faster generation
Contexte
Llama 4 Behemoth
10M tokens window

Scores de Benchmarks Vérifiés

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

o3-proLlama 4 Behemoth
SWE-bench Verified (Autonomous Coding)

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

71.5%vs75%
GPQA Diamond (Doctorate-Level Science & Math)

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

79.5%vs82%
MMLU-Pro (Multi-task Language Understanding)

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

88.5%vs88.5%
LMSYS Chatbot Arena Elo

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

1352ptsvs1490pts
Humanity's Last Exam (Frontier Expert Knowledge)

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

13.6%vsN/A
Terminal-Bench (Agentic Coding & Terminal Use)

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

47.5%vsN/A
SciCode (Scientific Computing)

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

45.5%vsN/A
LiveCodeBench (Competitive Coding)

Contamination-free competitive programming problems collected continuously over time.

73%vsN/A
AIME (Advanced Math Competition)

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

93%vsN/A
Long-Context Reasoning

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

80.5%vs95%
Generation Speed (Throughput)

Tokens emitted per second during active generation streaming.

30 tok/s vs45 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
o3-pro5.20s
Llama 4 Behemoth1.20s
Est. End-to-End Response (500 tokens)TTFT + generation time
o3-pro21.87s
Llama 4 Behemoth12.31s

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)
o3-pro Monthly API Bill
$109.50 / month
$20/1M in · $80/1M out
Llama 4 Behemoth Monthly API Bill
$0.00 / month
$0/1M in · $0/1M out
Llama 4 Behemoth saves approximately $109.50 / month (100%) under this workload.1.0x Savings

o3-pro · Strengths & Key Advantages

  • plus accurate que o3 sur genuinely hard raisonnement problems
  • Excellent pour vérifiable, élevé-stakes analyse
  • meilleur-dans-family consistency à travers repeated fonctionne
Considerations & Trade-offs
  • Slow et roughly ten times le prix d'o3
  • pas conçu pour interactif, faible-latence use
  • GPT-5 Pro now offre meilleur précision pour moins

Llama 4 Behemoth · Strengths & Key Advantages

  • sans égal 2T paramètre ouvert capacité
  • Staggering ~10 millions token contexte horizon
  • d'avant-garde codage et raisonnement scores
Considerations & Trade-offs
  • Demands élevé-end datacenter multinœud GPU clusters (8x H100 minimum)
  • Slow inférence débit par rapport à smaller modèles

Token Use & Task Economics

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

Metrico3-proLlama 4 Behemoth
Cost per Task
Estimated USD to finish one task
$11.68$0.00
Output Tokens / Task
Tokens generated per task
58K35K
Reasoning Tokens / Task
Thinking tokens burned per task
38K15K

Spécifications Techniques

Architecture, release timeline, capabilities, and modalities.

Caractéristiqueo3-proLlama 4 Behemoth
Official API Model ID (SDK)o3-prometa-llama/Llama-4-Behemoth
API ProtocolOpenAI Responses API & Chat Completions v1OpenAI-Compatible REST / vLLM / SGLang / HuggingFace TGI
Release Date2025-062026-05
Knowledge CutoffJune 2024February 2026
ArchitectureHigh-effort reasoning transformerColossal sparse MoE architecture (288B active / 2T total, 16-of-2 MoE)
ParametersConfidential2T total / 288B active (16-of-2 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 ($20/1M in) across full 200K windowFree across full context window (only KV-cache VRAM scales)
Prompt Cache Policy & TTLAutomatic prefix caching at $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) · 1240 GB VRAM (4-bit Quantized) · 4300 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

o3-pro vs Llama 4 Behemoth: Réponses Rapides (FAQ)

Which is more intelligent, o3-pro or Llama 4 Behemoth?

Llama 4 Behemoth is more intelligent. It scores 93 compared with 58 on the composite Intelligence Index.

Which model is faster?

Llama 4 Behemoth is faster, generating 45 tokens per second compared with 30 tokens per second.

Which model is cheaper to run?

Llama 4 Behemoth is cheaper at $0.00 per 1M tokens blended, compared with $15.50 (7:2:1 cache:input:output ratio).

Which model has lower latency?

Llama 4 Behemoth has lower latency, with a time to first token of 1.20s compared with 5.20s.

Which model has a larger context window?

Llama 4 Behemoth has a larger context window, supporting 10M tokens compared with 200K tokens.

Verdict

Choose o3-pro for batch et mission critique analyse rather que chat, or choose Llama 4 Behemoth for national laboratories, grand d'entreprise ai clusters, et extreme scientifique modeling.

Questions fréquentes

Which is cheaper: o3-pro or Llama 4 Behemoth?+

o3-pro costs $20/1M input and $80/1M output tokens, while Llama 4 Behemoth costs $0/1M input and $0/1M output tokens.

Which model has a larger context window: o3-pro or Llama 4 Behemoth?+

o3-pro supports 200K tokens whereas Llama 4 Behemoth supports 10M 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 & Meta Official Documentation