Gemini 3 Pro vs GPT-5 Pro
Benchmarks, API Token Pricing, Context Window & Speed Comparison
Related topics (12)
Gemini 3 Pro by Google and GPT-5 Pro by OpenAI represent two of the frontier AI models analyzed in our comprehensive 2026 AI benchmark and LLM comparison. In this head-to-head evaluation, we examine API token pricing, context window specifications, inference speed (tokens per second), and empirical reasoning performance. From a pure economic perspective, Gemini 3 Pro holds a notable pricing advantage for token ingestion. On output generation, Gemini 3 Pro is more economical per million generated tokens. In data-heavy architectures requiring extensive repository or document analysis, Gemini 3 Pro provides an expanded memory horizon with 2,000K tokens. In latency-sensitive production environments, Gemini 3 Pro leads in tokens-per-second throughput, making it ideal for real-time conversational agents and high-concurrency workflows. Below is the complete empirical head-to-head breakdown across cost, speed, context, and capability matrices.
원하는 AI 모델 선택 및 실시간 비교
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Gemini 3 Pro
심층 추론 모델Google의 Gemini 3 Pro 모델은 2M 토큰 컨텍스트 윈도우와 입력 $2/1M 토큰, 출력 $12/1M 토큰의 합리적인 API 요금을 제공하며 코딩, 추론 및 엔터프라이즈 자동화에 최적화되어 있습니다.
$2.00 / 1M
$12.00 / 1M
2M tokens
76.2%
GPT-5 Pro
심층 추론 모델OpenAI의 GPT-5 Pro 모델은 400K 토큰 컨텍스트 윈도우와 입력 $15/1M 토큰, 출력 $120/1M 토큰의 합리적인 API 요금을 제공하며 코딩, 추론 및 엔터프라이즈 자동화에 최적화되어 있습니다.
$15.00 / 1M
$120.00 / 1M
400K tokens
78.5%
한눈에 보는 핵심 차이점
- 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%).
| Feature | Gemini 3 Pro | GPT-5 Pro |
|---|---|---|
Intelligence Index Composite reasoning & knowledge score (0-100) | 62 | 62 |
Provider | OpenAI | |
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 text | 400K tokens~600 A4 pages of text |
Max Output Tokens Per single request | 66K | 272K |
Throughput Speed Tokens generated per second | 118 tok/s | 55 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 |
부문별 우위 모델
At-a-glance decision framework검증된 벤치마크 점수 비교
Official evaluation metrics verified by independent third-party research labs.
Industry benchmark evaluating real-world GitHub issue resolution and multi-file debugging.
Challenging questions created by domain experts to test complex PhD-level reasoning.
Hardened reasoning and academic knowledge benchmark with reduced lucky-guess probability.
Crowdsourced human preference evaluation based on blind, head-to-head model battles.
Extremely difficult, closed-ended questions spanning the frontier of human expert knowledge.
Autonomous multi-step tasks executed inside a real command-line terminal environment.
Research-grade coding problems drawn from real scientific and numerical workloads.
Contamination-free competitive programming problems collected continuously over time.
American Invitational Mathematics Examination — multi-step Olympiad-level reasoning.
Accuracy when reasoning over very large inputs that fill the model context window.
Tokens emitted per second during active generation streaming.
지연 시간(Latency) 및 응답 속도
Time to first token (TTFT) and estimated end-to-end response time for a typical 500-token response.
실시간 API 토큰 비용 시뮬레이터
Adjust sliders to calculate projected monthly cloud API spending with prompt caching discounts.
Gemini 3 Pro · Strengths & Key Advantages
- Google의 첨단 Sparse Multimodal MoE 아키텍처와 최대 2M 토큰 컨텍스트 지원
- 경쟁력 있는 API 가격(입력 $2/1M, 출력 $12/1M)과 빠른 응답 속도
- 코드 생성, 복잡한 논리 추론 및 다국어 벤치마크에서 검증된 성능 발휘
Considerations & Trade-offs
- 대규모 장문 컨텍스트 처리 시 토큰 비용 및 호출 한도 관리가 필요함
- 특수 도메인 작업에서는 정교한 프롬프트 엔지니어링과 RAG 연동이 권장됨
GPT-5 Pro · Strengths & Key Advantages
- OpenAI의 첨단 Maximum-compute unified reasoning model 아키텍처와 최대 400K 토큰 컨텍스트 지원
- 경쟁력 있는 API 가격(입력 $15/1M, 출력 $120/1M)과 빠른 응답 속도
- 코드 생성, 복잡한 논리 추론 및 다국어 벤치마크에서 검증된 성능 발휘
Considerations & Trade-offs
- 대규모 장문 컨텍스트 처리 시 토큰 비용 및 호출 한도 관리가 필요함
- 특수 도메인 작업에서는 정교한 프롬프트 엔지니어링과 RAG 연동이 권장됨
Token Use & Task Economics
Estimated cost and token consumption to complete one representative agentic task.
| Metric | Gemini 3 Pro | GPT-5 Pro |
|---|---|---|
Cost per Task Estimated USD to finish one task | $2.40 | $20.40 |
Output Tokens / Task Tokens generated per task | 60K | 72K |
Reasoning Tokens / Task Thinking tokens burned per task | 31K | 48K |
기술 사양 (Specifications)
Architecture, release timeline, capabilities, and modalities.
| Feature | Gemini 3 Pro | GPT-5 Pro |
|---|---|---|
| Official API Model ID (SDK) | models/gemini-3-pro | gpt-5-pro |
| API Protocol | Google Gemini API (generateContent) + OpenAI-Compatible SDK | OpenAI Responses API & Chat Completions v1 |
| Release Date | 2025-11 | 2025-10 |
| Knowledge Cutoff | January 2025 | September 2024 |
| Architecture | Sparse Multimodal MoE | Maximum-compute unified reasoning model |
| Parameters | Confidential | Confidential |
| Enterprise Rate Limits (RPM / TPM) | 10,000 – 30,000 RPM (Tier 5 Enterprise) · 4,000,000 – 10,000,000 TPM | 10,000 – 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 tokens | Flat rate ($15/1M in) across full 400K window |
| Prompt Cache Policy & TTL | Implicit + Explicit Context Caching at $0.2/1M with configurable TTL | Automatic prefix caching at $1.5/1M (no extra cache-write fee) |
| Computer Use / GUI Agent | Supported (Screen coordinate grounding, browser & desktop GUI action loops) | Supported (Screen coordinate grounding, browser & desktop GUI action loops) |
| MCP & Parallel Tool Calling | Native MCP Client/Server ready · Parallel function calling · 100% Strict JSON Schema | Native MCP Client/Server ready · Parallel function calling · 100% Strict JSON Schema |
| Web Search Grounding & Sandbox | Built-in Google Search Grounding + Managed Python Code Execution Sandbox | Native Web Search tool + Hosted Code Interpreter & File Search RAG |
| Official Fine-Tuning Support | Vertex AI Supervised Adapter Tuning & Context Distillation | Supervised Fine-Tuning (SFT), Direct Preference (DPO) & Reinforcement Fine-Tuning (RFT) |
| Multimodal Token Billing | Text 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 VRAM | Cloud-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 Classification | Google DeepMind Frontier Safety Framework Verified | OpenAI Preparedness Framework Audited & System Card Published |
| Enterprise Compliance (ZDR/HIPAA/SOC2) | SOC2 Type II · GDPR · Zero Data Retention (ZDR) & HIPAA BAA Available on Enterprise Tier | SOC2 Type II · GDPR · Zero Data Retention (ZDR) & HIPAA BAA Available on Enterprise Tier |
| Input Modalities | text, vision, audio, video | text, vision |
| Output Modalities | text | text |
Gemini 3 Pro vs GPT-5 Pro: 핵심 요약 문답 (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.
종합 평가
Verdict & Model Selection Recommendation: Choose Gemini 3 Pro if your priority is Long-document analysis, full-codebase reasoning, and multimodal tasks needing 500K+ tokens. Its performance in demanding tasks justifies its operational token cost. Choose GPT-5 Pro if your workflow prioritizes High-value, low-volume analysis and code review. For large-scale batch processing or customer-facing conversational interfaces, its balance of speed and economics delivers superior ROI.
자주 묻는 질문 (FAQ)
How does Gemini 3 Pro compare to GPT-5 Pro in API token pricing and cost per token?+
Gemini 3 Pro costs $2.00 per 1M input tokens and $12.00 per 1M output tokens, whereas GPT-5 Pro costs $15.00 input and $120.00 output. Overall, Gemini 3 Pro is the more cost-effective model for high-volume API pipelines. Both models support prompt caching discounts of up to 90% for repeated prompt prefixes.
Which model has a larger context window: Gemini 3 Pro or GPT-5 Pro?+
Gemini 3 Pro supports a context window of 2,000K tokens (~1,500k words), while GPT-5 Pro supports 400K tokens (~300k words). Therefore, Gemini 3 Pro can process more textual data and document context in a single prompt.
Which AI model is better for software engineering and coding: Gemini 3 Pro or GPT-5 Pro?+
Gemini 3 Pro scores 76.2% on SWE-bench Verified while GPT-5 Pro scores 78.5%. For autonomous software engineering and multi-file debugging, GPT-5 Pro holds the verified benchmark lead.
What is the difference in reasoning capability and extended thinking between Gemini 3 Pro and GPT-5 Pro?+
Gemini 3 Pro features native chain-of-thought extended thinking mode with configurable reasoning effort. In contrast, GPT-5 Pro provides chain-of-thought reasoning depth for complex math and science.
How does inference speed (tokens per second) compare between Gemini 3 Pro and GPT-5 Pro?+
Gemini 3 Pro generates approximately 118 tokens per second, while GPT-5 Pro delivers 55 tokens per second. In latency-sensitive production environments, Gemini 3 Pro provides faster time-to-first-token (TTFT) and higher streaming response velocity.
Can you implement a tiered LLM routing setup combining Gemini 3 Pro and GPT-5 Pro to optimize costs?+
Yes! High-efficiency architectures route high-frequency routine classification and conversational tasks to Gemini 3 Pro to save operational costs, and dynamically escalate complex architectural queries or reasoning tasks to GPT-5 Pro. This tiered routing pattern cuts overall API bills by up to 70%.
Understand key metrics like context window, token pricing, reasoning mode, and SWE-bench scores in our comprehensive AI glossary.
Related reading
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- GPT-5.1 Chat vs GPT-5 Pro: Benchmarks, Pricing & Speed Comparison비교
- GPT-5 Pro vs Claude Opus 5: Benchmarks, Pricing & Speed Comparison비교
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.
공식 출처: GetInfoUs Independent AI Benchmarks & Official API Specs