Head-to-Head Model Comparison

Gemini 3 Pro vs GPT-5 Pro

Benchmarks, API Token Pricing, Context Window & Speed Comparison

Verificato dal team di ricerca di GetInfoUsUltima verifica: October 2026Politica editoriale
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AI CompareAI BenchmarkToken PricingModel CostModel SpecsSWE-bench CodingModel VersusWhich AI ModelLLM Speed & LatencyReasoning ModelsExtended ThinkingPrompt Caching ROI
Gemini 3 Pro vs GPT-5 Pro: Benchmarks, Pricing & Speed Comparison

Gemini 3 Pro di Google e GPT-5 Pro di OpenAI sono due modelli di IA di riferimento. Gemini 3 Pro offre una finestra di contesto di 2M token a $2.00/$12.00 per milione di token, mentre GPT-5 Pro mette a disposizione 400K token di contesto a $15.00/$120.00 per milione di token. Di seguito analizziamo benchmark, latenza e costi.

Confronto Diretto (VS)

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Google

Gemini 3 Pro

Modello Ammiraglia di Frontiera

Gemini 3 Pro di Google è un modello di IA progettato per il ragionamento aziendale di frontiera, la programmazione avanzata e i carichi di produzione, con finestra di contesto da 2M, velocità di 118 token/s, indice di intelligenza di 62/100

Intelligence Index62 / 100
Input Token:

$2.00 / 1M

Output Token:

$12.00 / 1M

Context Window:

2M tokens

SWE-bench Verified:

76.2%

OpenAI

GPT-5 Pro

Motore di Ragionamento Profondo

GPT-5 Pro di OpenAI è un modello di IA progettato per il ragionamento logico profondo, la matematica avanzata e l’analisi scientifica, con finestra di contesto da 400K, velocità di 55 token/s, indice di intelligenza di 62/100 e tariffa di $

Intelligence Index62 / 100
Input Token:

$15.00 / 1M

Output Token:

$120.00 / 1M

Context Window:

400K tokens

SWE-bench Verified:

78.5%

Differenze Chiave a Colpo d’Occhio

  • Gemini 3 Pro is 9.4x cheaper for API usage (input + output tokens combined).
  • Gemini 3 Pro has a larger context window (2M vs 400K tokens).
  • Gemini 3 Pro is faster at 118 tok/s vs 55 tok/s.
  • GPT-5 Pro leads on SWE-bench coding (78.5% vs 76.2%).
Need definitions for token pricing, context, or benchmarks?Explore AI Glossary →
FeatureGemini 3 ProGPT-5 Pro
Intelligence Index
Composite reasoning & knowledge score (0-100)
6262
Provider
GoogleOpenAI
Input Price
Cost per million input tokens
$2.00 / 1M$15.00 / 1M
Output Price
Cost per million output tokens
$12.00 / 1M$120.00 / 1M
Blended Price
Weighted 7:2:1 cache:input:output per 1M
$1.74 / 1M$16.05 / 1M
Context Window
Maximum input + output tokens
2M tokens~3,000 A4 pages of text400K tokens~600 A4 pages of text
Max Output Tokens
Per single request
66K272K
Throughput Speed
Tokens generated per second
118 tok/s55 tok/s
SWE-bench Verified
Real-world software engineering
76.2%78.5%
GPQA Diamond
Graduate-level reasoning
73.5%87.2%
Cached Input Price
Prompt caching discount per 1M tokens
$0.20 / 1M$1.50 / 1M

Chi vince in ogni categoria?

At-a-glance decision framework
Coding
GPT-5 Pro
+2.3% SWE-bench lead
Cost
Gemini 3 Pro
9.4x cheaper monthly runtime
Speed
Gemini 3 Pro
+115% faster generation
Context
Gemini 3 Pro
2M tokens window

Punteggi Benchmark Verificati

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

Gemini 3 ProGPT-5 Pro
SWE-bench Verified (Autonomous Coding)

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

76.2%vs78.5%
GPQA Diamond (Doctorate-Level Science & Math)

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

73.5%vs87.2%
MMLU-Pro (Multi-task Language Understanding)

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

86.8%vs88%
LMSYS Chatbot Arena Elo

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

1384ptsvs1374pts
Humanity's Last Exam (Frontier Expert Knowledge)

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

12.9%vs14%
Terminal-Bench (Agentic Coding & Terminal Use)

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

47.9%vs51.5%
SciCode (Scientific Computing)

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

44.8%vs47%
LiveCodeBench (Competitive Coding)

Contamination-free competitive programming problems collected continuously over time.

73%vs74.5%
AIME (Advanced Math Competition)

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

92.8%vs96%
Long-Context Reasoning

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

84.6%vs82.5%
Generation Speed (Throughput)

Tokens emitted per second during active generation streaming.

118 tok/s vs55 tok/s

Latenza e Tempo di Risposta

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
Gemini 3 Pro1.80s
GPT-5 Pro4.20s
Est. End-to-End Response (500 tokens)TTFT + generation time
Gemini 3 Pro6.04s
GPT-5 Pro13.29s

Simulatore Interattivo dei Costi Token

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)
Gemini 3 Pro Monthly API Bill
$14.10 / month
$2/1M in · $12/1M out
GPT-5 Pro Monthly API Bill
$132.75 / month
$15/1M in · $120/1M out
Gemini 3 Pro saves approximately $118.65 / month (89%) under this workload.9.4x Savings

Gemini 3 Pro · Strengths & Key Advantages

  • Finestra di contesto da 2M con capacità massima di output fino a 66K token (SWE-bench Verified 76.2% · GPQA Diamond 73.5%)
  • Throughput elevato di 118 token/secondo con latenza al primo token (TTFT) di soli 1800 ms
  • Economia API competitiva ($2/$12 per 1M di token) con supporto per prompt caching, tool calling e output JSON strutturati
Considerations & Trade-offs
  • Modello cloud proprietario chiuso; non consente il download locale dei pesi per l’esecuzione offline
  • Per volumi di traffico elevati in produzione si consiglia di attivare il prompt caching e la Batch API

GPT-5 Pro · Strengths & Key Advantages

  • Finestra di contesto da 400K con capacità massima di output fino a 272K token (SWE-bench Verified 78.5% · GPQA Diamond 87.2%)
  • Throughput elevato di 55 token/secondo con latenza al primo token (TTFT) di soli 4200 ms
  • Economia API competitiva ($15/$120 per 1M di token) con supporto per prompt caching, tool calling e output JSON strutturati
Considerations & Trade-offs
  • Modello cloud proprietario chiuso; non consente il download locale dei pesi per l’esecuzione offline
  • Per volumi di traffico elevati in produzione si consiglia di attivare il prompt caching e la Batch API

Token Use & Task Economics

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

MetricGemini 3 ProGPT-5 Pro
Cost per Task
Estimated USD to finish one task
$2.40$20.40
Output Tokens / Task
Tokens generated per task
60K72K
Reasoning Tokens / Task
Thinking tokens burned per task
31K48K

Specifiche Tecniche

Architecture, release timeline, capabilities, and modalities.

FeatureGemini 3 ProGPT-5 Pro
Official API Model ID (SDK)models/gemini-3-progpt-5-pro
API ProtocolGoogle Gemini API (generateContent) + OpenAI-Compatible SDKOpenAI Responses API & Chat Completions v1
Release Date2025-112025-10
Knowledge CutoffJanuary 2025September 2024
ArchitectureSparse Multimodal MoEMaximum-compute unified reasoning model
ParametersConfidentialConfidential
Enterprise Rate Limits (RPM / TPM)10,000 – 30,000 RPM (Tier 5 Enterprise) · 4,000,000 – 10,000,000 TPM10,000 – 30,000 RPM (Tier 5 Enterprise) · 800,000 – 2,000,000 TPM
Long-Context Tier (>128K/200K)Standard rate up to 200K tokens; 2x input/output tier above 200K tokensFlat rate ($15/1M in) across full 400K window
Prompt Cache Policy & TTLImplicit + Explicit Context Caching at $0.2/1M with configurable TTLAutomatic prefix caching at $1.5/1M (no extra cache-write fee)
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 & SandboxBuilt-in Google Search Grounding + Managed Python Code Execution SandboxNative Web Search tool + Hosted Code Interpreter & File Search RAG
Official Fine-Tuning SupportVertex AI Supervised Adapter Tuning & Context DistillationSupervised Fine-Tuning (SFT), Direct Preference (DPO) & Reinforcement Fine-Tuning (RFT)
Multimodal Token BillingText BPE (~4 chars/token) · Vision (~258–765 tokens per image tile) · Audio (~25–32 tokens/sec) · Video (~258–300 tokens/sec)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)Cloud-Hosted Proprietary (FP8 / BF16 Tensor Core Cluster) · Zero Local VRAM Required (100% Serverless Cloud API)
Safety & Frontier ClassificationGoogle DeepMind Frontier Safety Framework VerifiedOpenAI Preparedness Framework Audited & System Card Published
Enterprise Compliance (ZDR/HIPAA/SOC2)SOC2 Type II · GDPR · Zero Data Retention (ZDR) & HIPAA BAA Available on Enterprise TierSOC2 Type II · GDPR · Zero Data Retention (ZDR) & HIPAA BAA Available on Enterprise Tier
Input Modalitiestext, vision, audio, videotext, vision
Output Modalitiestexttext

Gemini 3 Pro vs GPT-5 Pro: Risposte Rapide (FAQ)

Which model is faster?

Gemini 3 Pro is faster, generating 118 tokens per second compared with 55 tokens per second.

Which model is cheaper to run?

Gemini 3 Pro is cheaper at $1.74 per 1M tokens blended, compared with $16.05 (7:2:1 cache:input:output ratio).

Which model has lower latency?

Gemini 3 Pro has lower latency, with a time to first token of 1.80s compared with 4.20s.

Which model has a larger context window?

Gemini 3 Pro has a larger context window, supporting 2M tokens compared with 400K tokens.

Verdetto

Sia Gemini 3 Pro (Ideale per il ragionamento aziendale di frontiera, la programmazione avanzata e i carichi di produzione, sistemi RAG aziendali e integrazioni API scalabili.) sia GPT-5 Pro (Ideale per il ragionamento logico profondo, la matematica avanzata e l’analisi scientifica, sistemi RAG aziendali e integrazioni API scalabili.) eccellono in produzione: Gemini 3 Pro guida nei benchmark di ragionamento e programmazione, Gemini 3 Pro garantisce una generazione più rapida e Gemini 3 Pro offre il miglior rapporto qualità-prezzo per carichi API elevati.

Domande Frequenti (FAQ)

Quale modello è migliore per coding e ragionamento, Gemini 3 Pro o GPT-5 Pro?+

Nell’indice di intelligenza composito e nei benchmark di programmazione prevale Gemini 3 Pro. Consulta i punteggi SWE-bench e GPQA qui sopra per tutti i dettagli.

Qual è la differenza di prezzo API tra Gemini 3 Pro e GPT-5 Pro?+

Gemini 3 Pro costa $2.00 / $12.00 per milione di token di input/output, mentre GPT-5 Pro costa $15.00 / $120.00. Nel costo combinato, Gemini 3 Pro risulta più economico.

Quale modello ha la finestra di contesto più ampia e la velocità maggiore?+

Gemini 3 Pro supporta 2M token di contesto contro 400K token di GPT-5 Pro, mentre Gemini 3 Pro offre una velocità di generazione superiore.

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.

Fonti ufficiali: Documentazione API ufficiale di Google e OpenAI, schede di sistema e benchmark indipendenti (2026).