Grok Build 0.1 vs Grok 4.20 (Reasoning)
Benchmarks, API Token Pricing, Context Window & Speed Comparison
Related topics (12)
Grok Build 0.1 da xAI e Grok 4.20 (Reasoning) da xAI são dois modelos de IA de destaque. O Grok Build 0.1 oferece uma janela de contexto de 256K tokens a $1.00/$2.00 por milhão de tokens, enquanto o Grok 4.20 (Reasoning) oferece 1M tokens de contexto a $3.00/$15.00 por milhão de tokens. Veja abaixo a comparação completa de benchmarks, latência e custos.
Troque e Compare Qualquer Modelo
Select any AI models from our verified benchmark database to generate live side-by-side matrices.
Grok Build 0.1
Líder em Programação e CódigoO Grok Build 0.1 da xAI é um modelo de IA projetado para engenharia de software autônoma, refatoração de código e depuração avançada, oferecendo janela de contexto de 256K, velocidade de 120 tokens/s, índice de inteligência de 65/100 e tari
$1.00 / 1M
$2.00 / 1M
256K tokens
69.8%
Grok 4.20 (Reasoning)
Motor de Raciocínio ProfundoO Grok 4.20 (Reasoning) da xAI é um modelo de IA projetado para raciocínio lógico profundo, matemática avançada e análise científica passo a passo, oferecendo janela de contexto de 1M, velocidade de 95 tokens/s, índice de inteligência de 68
$3.00 / 1M
$15.00 / 1M
1M tokens
68.2%
Principais Diferenças em Resumo
- Grok Build 0.1 is 5.2x cheaper for API usage (input + output tokens combined).
- Grok 4.20 (Reasoning) has a larger context window (1M vs 256K tokens).
- Grok Build 0.1 is faster at 120 tok/s vs 95 tok/s.
- Grok Build 0.1 leads on SWE-bench coding (69.8% vs 68.2%).
| Feature | Grok Build 0.1 | Grok 4.20 (Reasoning) |
|---|---|---|
Intelligence Index Composite reasoning & knowledge score (0-100) | 65 | 68 |
Provider | xAI | xAI |
Input Price Cost per million input tokens | $1.00 / 1M | $3.00 / 1M |
Output Price Cost per million output tokens | $2.00 / 1M | $15.00 / 1M |
Blended Price Weighted 7:2:1 cache:input:output per 1M | $0.57 / 1M | $2.63 / 1M |
Context Window Maximum input + output tokens | 256K tokens~384 A4 pages of text | 1M tokens~1,500 A4 pages of text |
Max Output Tokens Per single request | 66K | 66K |
Throughput Speed Tokens generated per second | 120 tok/s | 95 tok/s |
SWE-bench Verified Real-world software engineering | 69.8% | 68.2% |
GPQA Diamond Graduate-level reasoning | 68.2% | 72.8% |
Cached Input Price Prompt caching discount per 1M tokens | $0.25 / 1M | $0.75 / 1M |
Quem vence em cada categoria?
At-a-glance decision frameworkPontuações 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.
Latência e Tempo de Resposta
Time to first token (TTFT) and estimated end-to-end response time for a typical 500-token response.
Simulador Interativo de Custo de Tokens
Adjust sliders to calculate projected monthly cloud API spending with prompt caching discounts.
Grok Build 0.1 · Strengths & Key Advantages
- Janela de contexto de 256K com limite máximo de saída de 66K tokens (SWE-bench Verified 69.8% · GPQA Diamond 68.2%)
- Taxa de transferência rápida de 120 tokens/segundo com latência inicial (TTFT) de 550 ms
- Economia de API competitiva ($1/$2 por 1M de tokens) com suporte a cache de prompts e saídas JSON estruturadas
Considerations & Trade-offs
- Modelo proprietário em nuvem; não permite download dos pesos para execução local offline
- Em derivações científicas extremas, modelos pesados dedicados exclusivamente ao raciocínio oferecem maior profundidade
Grok 4.20 (Reasoning) · Strengths & Key Advantages
- Janela de contexto de 1M com limite máximo de saída de 66K tokens (SWE-bench Verified 68.2% · GPQA Diamond 72.8%)
- Taxa de transferência rápida de 95 tokens/segundo com latência inicial (TTFT) de 980 ms
- Economia de API competitiva ($3/$15 por 1M de tokens) com suporte a cache de prompts e saídas JSON estruturadas
Considerations & Trade-offs
- Modelo proprietário em nuvem; não permite download dos pesos para execução local offline
- Para alto volume de requisições, recomenda-se ativar o cache de prompts e a Batch API para reduzir custos
Token Use & Task Economics
Estimated cost and token consumption to complete one representative agentic task.
| Metric | Grok Build 0.1 | Grok 4.20 (Reasoning) |
|---|---|---|
Cost per Task Estimated USD to finish one task | $0.95 | $1.45 |
Output Tokens / Task Tokens generated per task | 42K | 45K |
Reasoning Tokens / Task Thinking tokens burned per task | 18K | 28K |
Especificações Técnicas
Architecture, release timeline, capabilities, and modalities.
| Feature | Grok Build 0.1 | Grok 4.20 (Reasoning) |
|---|---|---|
| Official API Model ID (SDK) | grok-build-0-1-latest | grok-4-20-reasoning-latest |
| API Protocol | xAI REST API (OpenAI-Compatible) | xAI REST API (OpenAI-Compatible) |
| Release Date | 2026-04 | 2026-03 |
| Knowledge Cutoff | January 2026 | November 2025 |
| Architecture | Code-Specialized Autoregressive Transformer | Colossus-Scale Reasoning Sparse MoE |
| Parameters | Confidential | Confidential |
| Enterprise Rate Limits (RPM / TPM) | 5,000 – 15,000 RPM (Production Tier) · 800,000 – 2,000,000 TPM | 5,000 – 15,000 RPM (Production Tier) · 4,000,000 – 10,000,000 TPM |
| Long-Context Tier (>128K/200K) | Flat rate ($1/1M in) across full 256K window | Flat rate ($3/1M in) across full 1000K window |
| Prompt Cache Policy & TTL | Cached input at $0.25/1M tokens | Cached input at $0.75/1M tokens |
| Computer Use / GUI Agent | API / CLI Tool-Use & DOM Agent ready (no raw pixel desktop click loop) | API / CLI Tool-Use & DOM Agent ready (no raw pixel desktop click loop) |
| 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 | Real-time Web & X (Twitter) Search Grounding + Code Execution |
| Official Fine-Tuning Support | API Prompt Engineering & RAG Distillation | API Prompt Engineering & RAG Distillation |
| 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 | xAI Production Safety & Alignment Verified |
| 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 Build 0.1 vs Grok 4.20 (Reasoning): Respostas Rápidas (FAQ)
Which is more intelligent, Grok Build 0.1 or Grok 4.20 (Reasoning)?
Grok 4.20 (Reasoning) is more intelligent. It scores 68 compared with 65 on the composite Intelligence Index.
Which model is faster?
Grok Build 0.1 is faster, generating 120 tokens per second compared with 95 tokens per second.
Which model is cheaper to run?
Grok Build 0.1 is cheaper at $0.57 per 1M tokens blended, compared with $2.63 (7:2:1 cache:input:output ratio).
Which model has lower latency?
Grok Build 0.1 has lower latency, with a time to first token of 0.55s compared with 0.98s.
Which model has a larger context window?
Grok 4.20 (Reasoning) has a larger context window, supporting 1M tokens compared with 256K tokens.
Veredito
Tanto Grok Build 0.1 (Indicado para engenharia de software autônoma, refatoração de código e depuração avançada, arquiteturas RAG corporativas e integração escalável via API.) quanto Grok 4.20 (Reasoning) (Indicado para raciocínio lógico profundo, matemática avançada e análise científica passo a passo, arquiteturas RAG corporativas e integração escalável via API.) entregam excelente desempenho: Grok 4.20 (Reasoning) lidera em inteligência geral e programação, Grok Build 0.1 oferece geração mais rápida e Grok Build 0.1 apresenta o melhor custo-benefício em produção.
Perguntas Frequentes (FAQ)
Qual é melhor para programação e raciocínio, Grok Build 0.1 ou Grok 4.20 (Reasoning)?+
Nas avaliações de inteligência e código, Grok 4.20 (Reasoning) leva vantagem. Confira os gráficos SWE-bench e GPQA acima para detalhes.
Qual modelo tem a API mais barata, Grok Build 0.1 ou Grok 4.20 (Reasoning)?+
O Grok Build 0.1 custa $1.00 / $2.00 por 1M de tokens (entrada/saída) e o Grok 4.20 (Reasoning) custa $3.00 / $15.00. No custo combinado, Grok Build 0.1 é mais econômico.
Qual modelo possui maior janela de contexto e velocidade?+
O Grok Build 0.1 suporta 256K tokens de contexto contra 1M tokens do Grok 4.20 (Reasoning), enquanto Grok Build 0.1 entrega maior velocidade de geração.
Understand key metrics like context window, token pricing, reasoning mode, and SWE-bench scores in our comprehensive AI glossary.
Related reading
- Claude Opus 4.6 vs. Grok Build 0.1: Comparação de Benchmarks, Preços API e Velocidade (2026)Comparar
- Grok 4.20 (Reasoning) vs. Claude Opus 5.5: Comparação de Benchmarks, Preços API e Velocidade (2026)Comparar
- Grok 4.20 (Reasoning) vs. DeepSeek R1: Comparação de Benchmarks, Preços API e Velocidade (2026)Comparar
- Grok 4.20 (Reasoning) vs. Gemini 4 Argon: Comparação de Benchmarks, Preços API e Velocidade (2026)Comparar
- Grok 4.20 (Reasoning) vs. o3: Comparação de Benchmarks, Preços API e Velocidade (2026)Comparar
- Grok 4.3 vs. Grok Build 0.1: Comparação de Benchmarks, Preços API e Velocidade (2026)Comparar
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.
Fontes oficiais: Documentação oficial de API da xAI e xAI e benchmarks independentes (2026).