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Gemini 2.5 Pro vs GPT-4.5

Benchmarks, API Token Pricing, Context Window & Speed Comparison

Geprüft vom GetInfoUs-ForschungsteamZuletzt geprüft: October 2026Redaktionelle Richtlinien
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AI CompareAI BenchmarkToken PricingModel CostModel SpecsSWE-bench CodingModel VersusWhich AI ModelLLM Speed & LatencyReasoning ModelsExtended ThinkingPrompt Caching ROI
Gemini 2.5 Pro vs GPT-4.5: Benchmarks, Pricing & Speed Comparison

Gemini 2.5 Pro von Google und GPT-4.5 von OpenAI gehören zu den führenden KI-Modellen. Gemini 2.5 Pro bietet ein Kontextfenster von 1.05M Tokens bei API-Preisen von $1.25/$10.00 pro 1M Tokens, während GPT-4.5 128K Tokens Kontext zu $75.00/$150.00 pro 1M Tokens bereitstellt. Hier finden Sie den vollständigen Benchmark-, Latenz- und Kostenvergleich.

Direktvergleich (VS)

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Google

Gemini 2.5 Pro

Deep-Reasoning-Engine

Gemini 2.5 Pro von Google ist ein KI-Modell für tiefgehendes logisches Denken, komplexe Mathematik und wissenschaftliche Analysen mit 1.0M Kontextfenster, 95 Token/s Durchsatz, einem Intelligenz-Index von 78/100 und $1.25/$10 pro 1M Token.

Intelligence Index78 / 100
Input Token:

$1.25 / 1M

Output Token:

$10.00 / 1M

Context Window:

1.05M tokens

SWE-bench Verified:

63.8%

OpenAI

GPT-4.5

Deep-Reasoning-Engine

GPT-4.5 von OpenAI ist ein KI-Modell für tiefgehendes logisches Denken, komplexe Mathematik und wissenschaftliche Analysen mit 128K Kontextfenster, 45 Token/s Durchsatz, einem Intelligenz-Index von 46/100 und $75/$150 pro 1M Token.

Intelligence Index46 / 100
Input Token:

$75.00 / 1M

Output Token:

$150.00 / 1M

Context Window:

128K tokens

SWE-bench Verified:

42%

Wichtigste Unterschiede auf einen Blick

  • Gemini 2.5 Pro is 24.3x cheaper for API usage (input + output tokens combined).
  • Gemini 2.5 Pro has a larger context window (1M vs 128K tokens).
  • Gemini 2.5 Pro is faster at 95 tok/s vs 45 tok/s.
  • Gemini 2.5 Pro leads on SWE-bench coding (63.8% vs 42.0%).
Need definitions for token pricing, context, or benchmarks?Explore AI Glossary →
FeatureGemini 2.5 ProGPT-4.5
Intelligence Index
Composite reasoning & knowledge score (0-100)
7846
Provider
GoogleOpenAI
Input Price
Cost per million input tokens
$1.25 / 1M$75.00 / 1M
Output Price
Cost per million output tokens
$10.00 / 1M$150.00 / 1M
Blended Price
Weighted 7:2:1 cache:input:output per 1M
$1.47 / 1M$43.13 / 1M
Context Window
Maximum input + output tokens
1.05M tokens~1,573 A4 pages of text128K tokens~192 A4 pages of text
Max Output Tokens
Per single request
66K16K
Throughput Speed
Tokens generated per second
95 tok/s45 tok/s
SWE-bench Verified
Real-world software engineering
63.8%42%
GPQA Diamond
Graduate-level reasoning
84%66.5%
Cached Input Price
Prompt caching discount per 1M tokens
$0.31 / 1M$18.75 / 1M

Wer gewinnt in welcher Disziplin?

At-a-glance decision framework
Coding
Gemini 2.5 Pro
+21.8% SWE-bench lead
Cost
Gemini 2.5 Pro
24.3x cheaper monthly runtime
Speed
Gemini 2.5 Pro
+111% faster generation
Context
Gemini 2.5 Pro
1.05M tokens window

Geprüfte Benchmark-Ergebnisse im Vergleich

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

Gemini 2.5 ProGPT-4.5
SWE-bench Verified (Autonomous Coding)

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

63.8%vs42%
GPQA Diamond (Doctorate-Level Science & Math)

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

84%vs66.5%
MMLU-Pro (Multi-task Language Understanding)

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

88.5%vs81.5%
LMSYS Chatbot Arena Elo

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

1420ptsvs1332pts
Humanity's Last Exam (Frontier Expert Knowledge)

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

N/Avs9.4%
Terminal-Bench (Agentic Coding & Terminal Use)

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

N/Avs25%
SciCode (Scientific Computing)

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

N/Avs34.5%
LiveCodeBench (Competitive Coding)

Contamination-free competitive programming problems collected continuously over time.

N/Avs56%
AIME (Advanced Math Competition)

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

92%vs60%
Long-Context Reasoning

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

N/Avs68%
Generation Speed (Throughput)

Tokens emitted per second during active generation streaming.

95 tok/s vs45 tok/s

Latenz & Antwortzeit

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 2.5 Pro0.82s
GPT-4.51.60s
Est. End-to-End Response (500 tokens)TTFT + generation time
Gemini 2.5 Pro6.08s
GPT-4.512.71s

Interaktiver Token-Kosten-Simulator

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 2.5 Pro Monthly API Bill
$11.34 / month
$1.25/1M in · $10/1M out
GPT-4.5 Monthly API Bill
$275.63 / month
$75/1M in · $150/1M out
Gemini 2.5 Pro saves approximately $264.29 / month (96%) under this workload.24.3x Savings

Gemini 2.5 Pro · Strengths & Key Advantages

  • 1.0M Kontextfenster und bis zu 66K maximale Output-Token (SWE-bench Verified 63.8% · GPQA Diamond 84%)
  • Hohe Generierungsgeschwindigkeit von 95 Token/Sekunde bei nur 820 ms Erstlatenz (TTFT)
  • Effiziente API-Struktur ($1.25/$10 pro 1M Token) inklusive Prompt-Caching, Tool-Calling und strikter JSON-Ausgabe
Considerations & Trade-offs
  • Proprietäres Cloud-Modell ohne Möglichkeit zum lokalen Download der Modellgewichte
  • Bei extrem komplexen mehrstufigen Forschungsfragen bieten schwere Reasoning-Spezialmodelle noch tiefere Analysen

GPT-4.5 · Strengths & Key Advantages

  • 128K Kontextfenster und bis zu 16K maximale Output-Token (SWE-bench Verified 42% · GPQA Diamond 66.5%)
  • Hohe Generierungsgeschwindigkeit von 45 Token/Sekunde bei nur 1600 ms Erstlatenz (TTFT)
  • Effiziente API-Struktur ($75/$150 pro 1M Token) inklusive Prompt-Caching, Tool-Calling und strikter JSON-Ausgabe
Considerations & Trade-offs
  • Proprietäres Cloud-Modell ohne Möglichkeit zum lokalen Download der Modellgewichte
  • Bei hohem Anfragevolumen empfiehlt sich der Einsatz von Prompt-Caching und Batch-API zur Kostenoptimierung

Token Use & Task Economics

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

MetricGemini 2.5 ProGPT-4.5
Cost per Task
Estimated USD to finish one task
$1.45$17.85
Output Tokens / Task
Tokens generated per task
45K55K
Reasoning Tokens / Task
Thinking tokens burned per task
22K0K

Technische Spezifikationen

Architecture, release timeline, capabilities, and modalities.

FeatureGemini 2.5 ProGPT-4.5
Official API Model ID (SDK)models/gemini-2-5-progpt-4-5
API ProtocolGoogle Gemini API (generateContent) + OpenAI-Compatible SDKOpenAI Responses API & Chat Completions v1
Release Date2025-032025-02
Knowledge CutoffJanuary 2025October 2023
ArchitecturePathways Multimodal Sparse Mixture-of-Experts with ThinkingLarge dense pre-reasoning transformer
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 ($75/1M in) across full 128K window
Prompt Cache Policy & TTLImplicit + Explicit Context Caching at $0.31/1M with configurable TTLAutomatic prefix caching at $18.75/1M (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 2.5 Pro vs GPT-4.5: Schnelle Antworten (FAQ)

Which is more intelligent, Gemini 2.5 Pro or GPT-4.5?

Gemini 2.5 Pro is more intelligent. It scores 78 compared with 46 on the composite Intelligence Index.

Which model is faster?

Gemini 2.5 Pro is faster, generating 95 tokens per second compared with 45 tokens per second.

Which model is cheaper to run?

Gemini 2.5 Pro is cheaper at $1.47 per 1M tokens blended, compared with $43.13 (7:2:1 cache:input:output ratio).

Which model has lower latency?

Gemini 2.5 Pro has lower latency, with a time to first token of 0.82s compared with 1.60s.

Which model has a larger context window?

Gemini 2.5 Pro has a larger context window, supporting 1.05M tokens compared with 128K tokens.

Fazit

Sowohl Gemini 2.5 Pro (Optimal für tiefgehendes logisches Denken, komplexe Mathematik und wissenschaftliche Analysen, Enterprise-RAG-Systeme und skalierbare API-Pipelines.) als auch GPT-4.5 (Optimal für tiefgehendes logisches Denken, komplexe Mathematik und wissenschaftliche Analysen, Enterprise-RAG-Systeme und skalierbare API-Pipelines.) überzeugen im Produktionseinsatz: Gemini 2.5 Pro führt bei komplexem Reasoning und Coding, Gemini 2.5 Pro liefert den höheren Token-Durchsatz und Gemini 2.5 Pro ist die kosteneffizienteste Wahl für große API-Workloads.

Häufig gestellte Fragen (FAQ)

Welches Modell ist besser für Coding und Reasoning – Gemini 2.5 Pro oder GPT-4.5?+

Im Gesamt-Intelligenzindex und bei Software-Benchmarks liegt Gemini 2.5 Pro vorn. Prüfen Sie oben die SWE-bench- und GPQA-Werte für Ihren Anwendungsfall.

Wie unterscheiden sich die API-Preise von Gemini 2.5 Pro und GPT-4.5?+

Gemini 2.5 Pro kostet $1.25 / $10.00 pro 1M Input-/Output-Tokens, GPT-4.5 liegt bei $75.00 / $150.00. Beim gewichteten Gesamtpreis ist Gemini 2.5 Pro günstiger.

Welches Modell hat das größere Kontextfenster und die höhere Geschwindigkeit?+

Gemini 2.5 Pro bietet 1.05M Tokens Kontext gegenüber 128K Tokens bei GPT-4.5. Bei der Generierungsgeschwindigkeit liegt Gemini 2.5 Pro vorn.

AI Terminology & Guide
Explore Glossary →

Understand key metrics like context window, token pricing, reasoning mode, and SWE-bench scores in our comprehensive AI glossary.

Tokens & PricingContext WindowAI BenchmarksReasoning ModelsTool CallingModel Context Protocol (MCP)

Related reading

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.

Offizielle Quellen: Offizielle API-Dokumentation von Google und OpenAI, Systemkarten und unabhängige Benchmark-Auswertungen (2026).