Grok 4.20 (Reasoning) vs GPT-6 Sol
Benchmarks, API Token Pricing, Context Window & Speed Comparison
Related topics (4)
Compare Grok 4.20 (Reasoning) by xAI against GPT-6 Sol by OpenAI across real-world coding, reasoning, token economics, and latency.
Cambia y Compara Cualquier Modelo
Select any AI models from our verified benchmark database to generate live side-by-side matrices.
Live comparison: no in-depth editorial review has been published for this pair yet.
Grok 4.20 (Reasoning)
Análisis de documentosde xAI modelo de razonamiento desarrollado para heavy documento análisis, complejo lógica deduction, y de largo alcance agentic uso de herramientas.
$3.00 / 1M
$15.00 / 1M
1M tokens
68.2%
GPT-6 Sol
GPT-6 rentableun GPT-6 nivel ofreciendo complejo codificación y profesional trabajo un half el precio de GPT-5.6 Sol.
$2.00 / 1M
$10.00 / 1M
1M tokens
82.1%
Diferencias Clave de un Vistazo
- GPT-6 Sol is 1.6x cheaper for API usage (input + output tokens combined).
- GPT-6 Sol is faster at 116 tok/s vs 95 tok/s.
- GPT-6 Sol leads on SWE-bench coding (82.1% vs 68.2%).
| Característica | Grok 4.20 (Reasoning) | GPT-6 Sol |
|---|---|---|
Intelligence Index Composite reasoning & knowledge score (0-100) | 68 | 93 |
Provider | xAI | OpenAI |
Input Price Cost per million input tokens | $3.00 / 1M | $2.00 / 1M |
Output Price Cost per million output tokens | $15.00 / 1M | $10.00 / 1M |
Blended Price Weighted 7:2:1 cache:input:output per 1M | $2.63 / 1M | $1.47 / 1M |
Context Window Maximum input + output tokens | 1M tokens~1,500 A4 pages of text | 1M tokens~1,500 A4 pages of text |
Max Output Tokens Per single request | 66K | 128K |
Throughput Speed Tokens generated per second | 95 tok/s | 116 tok/s |
SWE-bench Verified Real-world software engineering | 68.2% | 82.1% |
GPQA Diamond Graduate-level reasoning | 72.8% | 80.6% |
Cached Input Price Prompt caching discount per 1M tokens | $0.75 / 1M | $0.10 / 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.
Grok 4.20 (Reasoning) · Strengths & Key Advantages
- Expansive 1M-token ventana de contexto tailored para denso repositorio y legal documento intake
- Robust multipaso cadena de pensamiento razonamiento con persistent de largo alcance herramienta ejecución
- multimodal ingesta un través de técnico diagrams, multi-page PDFs, y complejo charts
- Direct en tiempo real knowledge síntesis de xAI Colossus clúster
Considerations & Trade-offs
- Outperformed por Grok 4.7 y late-2026 de frontera leaders en competitivo codificación pruebas de rendimiento
- mayor salida latencia during extendido cadena de pensamiento generación cycles
GPT-6 Sol · Strengths & Key Advantages
- Roughly 50% cheaper que GPT-5.6 Sol
- Error rate close un half del previous generación
- sólido codificación agéntica y profesional flujos de trabajo
- Roughly half el precio de GPT-5.6 Sol con mejor error rates
Considerations & Trade-offs
- Weaker que GPT-6 Astra en el hardest tareas
- Sits close en precio un GPT-6.1 Sol, which es stronger
Token Use & Task Economics
Estimated cost and token consumption to complete one representative agentic task.
| Metric | Grok 4.20 (Reasoning) | GPT-6 Sol |
|---|---|---|
Cost per Task Estimated USD to finish one task | $1.45 | $2.00 |
Output Tokens / Task Tokens generated per task | 45K | 62K |
Reasoning Tokens / Task Thinking tokens burned per task | 28K | 36K |
Especificaciones Técnicas
Architecture, release timeline, capabilities, and modalities.
| Característica | Grok 4.20 (Reasoning) | GPT-6 Sol |
|---|---|---|
| Official API Model ID (SDK) | grok-4-20-reasoning-latest | gpt-6-sol |
| API Protocol | xAI REST API (OpenAI-Compatible) | OpenAI Responses API & Chat Completions v1 |
| Release Date | 2026-03 | 2026-09 |
| Knowledge Cutoff | November 2025 | April 2026 |
| Architecture | Colossus-Scale Reasoning Sparse MoE | Cost-efficient frontier unified reasoning model |
| Parameters | Confidential | Confidential |
| Enterprise Rate Limits (RPM / TPM) | 5,000 – 15,000 RPM (Production Tier) · 4,000,000 – 10,000,000 TPM | 10,000 – 30,000 RPM (Tier 5 Enterprise) · 4,000,000 – 10,000,000 TPM |
| Long-Context Tier (>128K/200K) | Flat rate ($3/1M in) across full 1000K window | Flat rate ($2/1M in) across full 1000K window |
| Prompt Cache Policy & TTL | Cached input at $0.75/1M tokens | Automatic prefix caching at $0.1/1M (no extra cache-write fee) |
| Computer Use / GUI Agent | API / CLI Tool-Use & DOM Agent ready (no raw pixel desktop click loop) | 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 | Real-time Web & X (Twitter) Search Grounding + Code Execution | Native Web Search tool + Hosted Code Interpreter & File Search RAG |
| Official Fine-Tuning Support | API Prompt Engineering & RAG 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 | xAI Production Safety & Alignment 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 | text, vision |
| Output Modalities | text | text |
Grok 4.20 (Reasoning) vs GPT-6 Sol: Respuestas Rápidas (FAQ)
Which is more intelligent, Grok 4.20 (Reasoning) or GPT-6 Sol?
GPT-6 Sol is more intelligent. It scores 93 compared with 68 on the composite Intelligence Index.
Which model is faster?
GPT-6 Sol is faster, generating 116 tokens per second compared with 95 tokens per second.
Which model is cheaper to run?
GPT-6 Sol is cheaper at $1.47 per 1M tokens blended, compared with $2.63 (7:2:1 cache:input:output ratio).
Which model has lower latency?
Grok 4.20 (Reasoning) has lower latency, with a time to first token of 0.98s compared with 1.16s.
Veredicto
Choose Grok 4.20 (Reasoning) for profundo documento análisis, multi-stage empresarial investigación, y extensive herramienta-driven flujos de trabajo, or choose GPT-6 Sol for costo-sensitive de frontera trabajo y codificación agéntica.
Preguntas frecuentes
Which is cheaper: Grok 4.20 (Reasoning) or GPT-6 Sol?+
Grok 4.20 (Reasoning) costs $3/1M input and $15/1M output tokens, while GPT-6 Sol costs $2/1M input and $10/1M output tokens.
Which model has a larger context window: Grok 4.20 (Reasoning) or GPT-6 Sol?+
Grok 4.20 (Reasoning) supports 1M tokens whereas GPT-6 Sol supports 1M tokens.
Understand key metrics like context window, token pricing, reasoning mode, and SWE-bench scores in our comprehensive AI glossary.
Related reading
- Aion-3.0 vs Aion-Mini: Benchmarks, Pricing & Speed ComparisonComparar
- Aion-3.0 vs Gemini 3.6 Flash: Benchmarks, Pricing & Speed ComparisonComparar
- Aion-Mini vs Laguna XS 2.1: Benchmarks, Pricing & Speed ComparisonComparar
- Aya Expanse 32B vs Llama 3.2 90B Vision: Benchmarks, Pricing & Speed ComparisonComparar
- Aya Expanse 8B vs Command R+: Benchmarks, Pricing & Speed ComparisonComparar
- Aya Expanse 8B vs Qwen 2.5 7B Instruct: Benchmarks, Pricing & Speed ComparisonComparar
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: xAI & OpenAI Official Documentation