Claude Sonnet 4 vs o1-pro
Benchmarks, API Token Pricing, Context Window & Speed Comparison
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Claude Sonnet 4 by Anthropic and o1-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, Claude Sonnet 4 holds a notable pricing advantage for token ingestion. On output generation, Claude Sonnet 4 is more economical per million generated tokens. In data-heavy architectures requiring extensive repository or document analysis, both models provide an identical memory horizon with 200K tokens. In latency-sensitive production environments, Claude Sonnet 4 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.
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Claude Sonnet 4
Agente equilibradode Anthropic medio-2025 equilibrado agentic modelo fundacional que ofrece elite ingeniería de software, rápido multiturno herramienta interaction, y costo-efficient producción operations.
$3.00 / 1M
$15.00 / 1M
200K tokens
72.7%
o1-pro
Razonador de cómputo máximoun compute-heavy o1 nivel que spends far más pensamiento tiempo en difficult análisis y planning.
$150.00 / 1M
$600.00 / 1M
200K tokens
51.5%
Diferencias Clave de un Vistazo
- Claude Sonnet 4 is 44.5x cheaper for API usage (input + output tokens combined).
- Claude Sonnet 4 is faster at 85 tok/s vs 22 tok/s.
- Claude Sonnet 4 leads on SWE-bench coding (72.7% vs 51.5%).
| Característica | Claude Sonnet 4 | o1-pro |
|---|---|---|
Intelligence Index Composite reasoning & knowledge score (0-100) | 58 | 57 |
Provider | Anthropic | OpenAI |
Input Price Cost per million input tokens | $3.00 / 1M | $150.00 / 1M |
Output Price Cost per million output tokens | $15.00 / 1M | $600.00 / 1M |
Blended Price Weighted 7:2:1 cache:input:output per 1M | $2.31 / 1M | $116.25 / 1M |
Context Window Maximum input + output tokens | 200K tokens~300 A4 pages of text | 200K tokens~300 A4 pages of text |
Max Output Tokens Per single request | 64K | 100K |
Throughput Speed Tokens generated per second | 85 tok/s | 22 tok/s |
SWE-bench Verified Real-world software engineering | 72.7% | 51.5% |
GPQA Diamond Graduate-level reasoning | 71.2% | 79% |
Cached Input Price Prompt caching discount per 1M tokens | $0.30 / 1M | $37.50 / 1M |
¿Quién gana en cada área?
At-a-glance decision frameworkPuntuaciones de Benchmarks Verificadas
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.
Latencia y Tiempo de Respuesta
Time to first token (TTFT) and estimated end-to-end response time for a typical 500-token response.
Simulador Interactivo de Costos de Tokens
Adjust sliders to calculate projected monthly cloud API spending with prompt caching discounts.
Claude Sonnet 4 · Strengths & Key Advantages
- Outstanding SWE-bench Verified codificación score (72.7%) un estándar empresarial precios
- Integrated hybrid razonamiento modo allowing scalable cadena de pensamiento exploration
- 90% prompt caching discount ($0.30/M) optimizing multiturno agente bucles
Considerations & Trade-offs
- ventana de contexto capped un 200K tokens, trailing competitor 1M+ windows
- Slightly menor pico analytical profundidad en de frontera científico problems que Opus 4
o1-pro · Strengths & Key Advantages
- más alto precisión del o1 family en hard analytical problems
- muy confiable en largo, multipaso planning tareas
- Handles investigación-grade analytical plans sin supervision
Considerations & Trade-offs
- Extremely expensive un $150 / $600 por 1M tokens
- Lento: las respuestas pueden tardar minutos
- o3-pro y GPT-5 Pro now deliver mejor results para menos
Token Use & Task Economics
Estimated cost and token consumption to complete one representative agentic task.
| Metric | Claude Sonnet 4 | o1-pro |
|---|---|---|
Cost per Task Estimated USD to finish one task | $3.29 | $94.20 |
Output Tokens / Task Tokens generated per task | 72K | 62K |
Reasoning Tokens / Task Thinking tokens burned per task | 37K | 45K |
Especificaciones Técnicas
Architecture, release timeline, capabilities, and modalities.
| Característica | Claude Sonnet 4 | o1-pro |
|---|---|---|
| Official API Model ID (SDK) | claude-sonnet-4-20250501 | o1-pro |
| API Protocol | Anthropic Messages API + AWS Bedrock + Vertex AI | OpenAI Responses API & Chat Completions v1 |
| Release Date | 2025-05 | 2025-03 |
| Knowledge Cutoff | March 2025 | October 2023 |
| Architecture | Hybrid Multimodal Reasoning Transformer | High-compute reasoning transformer |
| Parameters | Confidential | Confidential |
| Enterprise Rate Limits (RPM / TPM) | 4,000 – 10,000 RPM (Tier 4 + Priority Tier) · 800,000 – 2,000,000 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 ($150/1M in) across full 200K window |
| Prompt Cache Policy & TTL | $0.3/1M cached read (90% off); 5-min default & 1-hour extended TTL | Automatic prefix caching at $37.5/1M (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 | Native Web Search Citations + Code Execution Tool + MCP Connectors | Native Web Search tool + Hosted Code Interpreter & File Search RAG |
| Official Fine-Tuning Support | Custom Model Tuning via Amazon Bedrock & Prompt 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) | 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 | Anthropic RSP ASL-2 / ASL-3 Constitutional Safety Evaluated | 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 | text, vision |
| Output Modalities | text | text |
Claude Sonnet 4 vs o1-pro: Respuestas Rápidas (FAQ)
Which is more intelligent, Claude Sonnet 4 or o1-pro?
Claude Sonnet 4 is more intelligent. It scores 58 compared with 57 on the composite Intelligence Index.
Which model is faster?
Claude Sonnet 4 is faster, generating 85 tokens per second compared with 22 tokens per second.
Which model is cheaper to run?
Claude Sonnet 4 is cheaper at $2.31 per 1M tokens blended, compared with $116.25 (7:2:1 cache:input:output ratio).
Which model has lower latency?
Claude Sonnet 4 has lower latency, with a time to first token of 0.52s compared with 4.20s.
Veredicto
Verdict & Model Selection Recommendation: Choose Claude Sonnet 4 if your priority is Full-stack software engineering agents, CI/CD pipeline automation, and enterprise production applications. Its performance in demanding tasks justifies its operational token cost. Choose o1-pro if your workflow prioritizes Rare, high-stakes analytical problems where cost is irrelevant. For large-scale batch processing or customer-facing conversational interfaces, its balance of speed and economics delivers superior ROI.
Preguntas frecuentes
How does Claude Sonnet 4 compare to o1-pro in API token pricing and cost per token?+
Claude Sonnet 4 costs $3.00 per 1M input tokens and $15.00 per 1M output tokens, whereas o1-pro costs $150.00 input and $600.00 output. Overall, Claude Sonnet 4 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: Claude Sonnet 4 or o1-pro?+
Both Claude Sonnet 4 and o1-pro offer an identical context window of 200K tokens (~150k words). Both architectures provide equal capacity for large document ingestion, multi-file codebases, and extended multi-turn conversation histories.
Which AI model is better for software engineering and coding: Claude Sonnet 4 or o1-pro?+
Claude Sonnet 4 scores 72.7% on SWE-bench Verified while o1-pro scores 51.5%. For autonomous software engineering and multi-file debugging, Claude Sonnet 4 holds the verified benchmark lead.
What is the difference in reasoning capability and extended thinking between Claude Sonnet 4 and o1-pro?+
Claude Sonnet 4 features native chain-of-thought extended thinking mode with configurable reasoning effort. In contrast, o1-pro provides chain-of-thought reasoning depth for complex math and science.
How does inference speed (tokens per second) compare between Claude Sonnet 4 and o1-pro?+
Claude Sonnet 4 generates approximately 85 tokens per second, while o1-pro delivers 22 tokens per second. In latency-sensitive production environments, Claude Sonnet 4 provides faster time-to-first-token (TTFT) and higher streaming response velocity.
Can you implement a tiered LLM routing setup combining Claude Sonnet 4 and o1-pro to optimize costs?+
Yes! High-efficiency architectures route high-frequency routine classification and conversational tasks to Claude Sonnet 4 to save operational costs, and dynamically escalate complex architectural queries or reasoning tasks to o1-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.
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Las puntuaciones de benchmarks, precios por token y límites de tasa evolucionan rápidamente. Verifique siempre las especificaciones actuales en la documentación oficial del proveedor.
Fuentes: GetInfoUs Independent AI Benchmarks & Official API Specs