Head-to-Head Model Comparison

GPT-5.2 Chat vs Claude Opus 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
GPT-5.2 Chat vs Claude Opus 4.5: Benchmarks, Pricing & Speed Comparison

GPT-5.2 Chat von OpenAI und Claude Opus 4.5 von Anthropic gehören zu den führenden KI-Modellen. GPT-5.2 Chat bietet ein Kontextfenster von 128K Tokens bei API-Preisen von $0.00/$0.00 pro 1M Tokens, während Claude Opus 4.5 200K Tokens Kontext zu $5.00/$25.00 pro 1M Tokens bereitstellt. Hier finden Sie den vollständigen Benchmark-, Latenz- und Kostenvergleich.

Direktvergleich (VS)

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OpenAI

GPT-5.2 Chat

Frontier-Flaggschiff-Modell

GPT-5.2 Chat von OpenAI ist ein KI-Modell für anspruchsvolles Enterprise-Reasoning, Softwareentwicklung und produktive KI-Workflows mit 128K Kontextfenster, 135 Token/s Durchsatz, einem Intelligenz-Index von 63/100 und kostenlosem Open-Weig

Intelligence Index63 / 100
Input Token:

$0.00 / 1M

Output Token:

$0.00 / 1M

Context Window:

128K tokens

SWE-bench Verified:

75.4%

Anthropic

Claude Opus 4.5

Frontier-Flaggschiff-Modell

Claude Opus 4.5 von Anthropic ist ein KI-Modell für anspruchsvolles Enterprise-Reasoning, Softwareentwicklung und produktive KI-Workflows mit 200K Kontextfenster, 62 Token/s Durchsatz, einem Intelligenz-Index von 63/100 und $5/$25 pro 1M To

Intelligence Index63 / 100
Input Token:

$5.00 / 1M

Output Token:

$25.00 / 1M

Context Window:

200K tokens

SWE-bench Verified:

77.2%

Wichtigste Unterschiede auf einen Blick

  • GPT-5.2 Chat is 1.0x cheaper for API usage (input + output tokens combined).
  • Claude Opus 4.5 has a larger context window (200K vs 128K tokens).
  • GPT-5.2 Chat is faster at 135 tok/s vs 62 tok/s.
  • Claude Opus 4.5 leads on SWE-bench coding (77.2% vs 75.4%).
Need definitions for token pricing, context, or benchmarks?Explore AI Glossary →
FeatureGPT-5.2 ChatClaude Opus 4.5
Intelligence Index
Composite reasoning & knowledge score (0-100)
6363
Provider
OpenAIAnthropic
Input Price
Cost per million input tokens
$0.00 / 1M$5.00 / 1M
Output Price
Cost per million output tokens
$0.00 / 1M$25.00 / 1M
Blended Price
Weighted 7:2:1 cache:input:output per 1M
$0.00 / 1M$3.85 / 1M
Context Window
Maximum input + output tokens
128K tokens~192 A4 pages of text200K tokens~300 A4 pages of text
Max Output Tokens
Per single request
16K64K
Throughput Speed
Tokens generated per second
135 tok/s62 tok/s
SWE-bench Verified
Real-world software engineering
75.4%77.2%
GPQA Diamond
Graduate-level reasoning
76.5%74.8%
Cached Input Price
Prompt caching discount per 1M tokens
$0.00 / 1M$0.50 / 1M

Wer gewinnt in welcher Disziplin?

At-a-glance decision framework
Coding
Claude Opus 4.5
+1.8% SWE-bench lead
Cost
GPT-5.2 Chat
1.0x cheaper monthly runtime
Speed
GPT-5.2 Chat
+118% faster generation
Context
Claude Opus 4.5
200K tokens window

Geprüfte Benchmark-Ergebnisse im Vergleich

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

GPT-5.2 ChatClaude Opus 4.5
SWE-bench Verified (Autonomous Coding)

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

75.4%vs77.2%
GPQA Diamond (Doctorate-Level Science & Math)

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

76.5%vs74.8%
MMLU-Pro (Multi-task Language Understanding)

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

86.6%vs87.3%
LMSYS Chatbot Arena Elo

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

1382ptsvs1376pts
Humanity's Last Exam (Frontier Expert Knowledge)

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

13%vs13.7%
Terminal-Bench (Agentic Coding & Terminal Use)

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

48.5%vs49.2%
SciCode (Scientific Computing)

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

45%vs45.6%
LiveCodeBench (Competitive Coding)

Contamination-free competitive programming problems collected continuously over time.

73%vs74.1%
AIME (Advanced Math Competition)

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

92.6%vs88.5%
Long-Context Reasoning

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

80.5%vs79.4%
Generation Speed (Throughput)

Tokens emitted per second during active generation streaming.

135 tok/s vs62 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
GPT-5.2 Chat1.10s
Claude Opus 4.52.10s
Est. End-to-End Response (500 tokens)TTFT + generation time
GPT-5.2 Chat4.80s
Claude Opus 4.510.16s

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)
GPT-5.2 Chat Monthly API Bill
$0.00 / month
$0/1M in · $0/1M out
Claude Opus 4.5 Monthly API Bill
$30.75 / month
$5/1M in · $25/1M out
GPT-5.2 Chat saves approximately $30.75 / month (100%) under this workload.1.0x Savings

GPT-5.2 Chat · Strengths & Key Advantages

  • 128K Kontextfenster und bis zu 16K maximale Output-Token (SWE-bench Verified 75.4% · GPQA Diamond 76.5%)
  • Hohe Generierungsgeschwindigkeit von 135 Token/Sekunde bei nur 1100 ms Erstlatenz (TTFT)
  • Effiziente API-Struktur (kostenlosem Open-Weights-Zugang) 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

Claude Opus 4.5 · Strengths & Key Advantages

  • 200K Kontextfenster und bis zu 64K maximale Output-Token (SWE-bench Verified 77.2% · GPQA Diamond 74.8%)
  • Hohe Generierungsgeschwindigkeit von 62 Token/Sekunde bei nur 2100 ms Erstlatenz (TTFT)
  • Effiziente API-Struktur ($5/$25 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.

MetricGPT-5.2 ChatClaude Opus 4.5
Cost per Task
Estimated USD to finish one task
$1.90$5.86
Output Tokens / Task
Tokens generated per task
54K73K
Reasoning Tokens / Task
Thinking tokens burned per task
29K43K

Technische Spezifikationen

Architecture, release timeline, capabilities, and modalities.

FeatureGPT-5.2 ChatClaude Opus 4.5
Official API Model ID (SDK)gpt-5-2-chatclaude-opus-4-5-20251101
API ProtocolOpenAI Responses API & Chat Completions v1Anthropic Messages API + AWS Bedrock + Vertex AI
Release Date2025-122025-11
Knowledge CutoffAugust 2025March 2025
ArchitectureChat-tuned unified reasoning modelHybrid Reasoning
ParametersConfidentialConfidential
Enterprise Rate Limits (RPM / TPM)10,000 – 30,000 RPM (Tier 5 Enterprise) · 800,000 – 2,000,000 TPM4,000 – 10,000 RPM (Tier 4 + Priority Tier) · 800,000 – 2,000,000 TPM
Long-Context Tier (>128K/200K)Free across full context window (only KV-cache VRAM scales)Standard rate up to 200K tokens; 2x input/output tier above 200K tokens
Prompt Cache Policy & TTLAutomatic prefix KV-caching in vLLM / SGLang (0 cost)$0.5/1M cached read (90% off); 5-min default & 1-hour extended TTL
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 callingNative MCP Client/Server ready · Parallel function calling · 100% Strict JSON Schema
Web Search Grounding & SandboxNative Web Search tool + Hosted Code Interpreter & File Search RAGNative Web Search Citations + Code Execution Tool + MCP Connectors
Official Fine-Tuning SupportSupervised Fine-Tuning (SFT), Direct Preference (DPO) & Reinforcement Fine-Tuning (RFT)Custom Model Tuning via Amazon Bedrock & Prompt Distillation
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)Cloud-Hosted Proprietary (FP8 / BF16 Tensor Core Cluster) · Zero Local VRAM Required (100% Serverless Cloud API)
Safety & Frontier ClassificationOpenAI Preparedness Framework Audited & System Card PublishedAnthropic RSP ASL-2 / ASL-3 Constitutional Safety Evaluated
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, visiontext, vision
Output Modalitiestexttext

GPT-5.2 Chat vs Claude Opus 4.5: Schnelle Antworten (FAQ)

Which model is faster?

GPT-5.2 Chat is faster, generating 135 tokens per second compared with 62 tokens per second.

Which model is cheaper to run?

GPT-5.2 Chat is cheaper at $0.00 per 1M tokens blended, compared with $3.85 (7:2:1 cache:input:output ratio).

Which model has lower latency?

GPT-5.2 Chat has lower latency, with a time to first token of 1.10s compared with 2.10s.

Which model has a larger context window?

Claude Opus 4.5 has a larger context window, supporting 200K tokens compared with 128K tokens.

Fazit

Sowohl GPT-5.2 Chat (Optimal für anspruchsvolles Enterprise-Reasoning, Softwareentwicklung und produktive KI-Workflows, Enterprise-RAG-Systeme und skalierbare API-Pipelines.) als auch Claude Opus 4.5 (Optimal für anspruchsvolles Enterprise-Reasoning, Softwareentwicklung und produktive KI-Workflows, Enterprise-RAG-Systeme und skalierbare API-Pipelines.) überzeugen im Produktionseinsatz: GPT-5.2 Chat führt bei komplexem Reasoning und Coding, GPT-5.2 Chat liefert den höheren Token-Durchsatz und GPT-5.2 Chat ist die kosteneffizienteste Wahl für große API-Workloads.

Häufig gestellte Fragen (FAQ)

Welches Modell ist besser für Coding und Reasoning – GPT-5.2 Chat oder Claude Opus 4.5?+

Im Gesamt-Intelligenzindex und bei Software-Benchmarks liegt GPT-5.2 Chat vorn. Prüfen Sie oben die SWE-bench- und GPQA-Werte für Ihren Anwendungsfall.

Wie unterscheiden sich die API-Preise von GPT-5.2 Chat und Claude Opus 4.5?+

GPT-5.2 Chat kostet $0.00 / $0.00 pro 1M Input-/Output-Tokens, Claude Opus 4.5 liegt bei $5.00 / $25.00. Beim gewichteten Gesamtpreis ist GPT-5.2 Chat günstiger.

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

GPT-5.2 Chat bietet 128K Tokens Kontext gegenüber 200K Tokens bei Claude Opus 4.5. Bei der Generierungsgeschwindigkeit liegt GPT-5.2 Chat 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.

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 OpenAI und Anthropic, Systemkarten und unabhängige Benchmark-Auswertungen (2026).