Head-to-Head Model Comparison

GPT-6 Astra vs Grok-4

Benchmarks, API Token Pricing, Context Window & Speed Comparison

Revisado pela equipe de pesquisa do GetInfoUsÚltima revisão: October 2026Política editorial

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GPT-6 AstraProfile

Grok-4Profile

Multi-Model Arena Stack:

5-Model Matrix Workbench

Popular Matchups:

OpenAI

GPT-6 Astra

Modelo Nativo de Voz e Áudio

O GPT-6 Astra da OpenAI é um modelo de IA projetado para síntese de voz natural, transcrição de áudio e interação falada em tempo real, oferecendo janela de contexto de 272K, velocidade de 100 tokens/s, índice de inteligência de 96/100 e ta

Intelligence Index96 / 100

Input Token:

$10.00 / 1M

Output Token:

$50.00 / 1M

Context Window:

272K tokens

SWE-bench Verified:

82.4%

xAI

Grok-4

Modelo Principal de Fronteira

O Grok-4 da xAI é um modelo de IA projetado para raciocínio corporativo de fronteira, programação avançada e cargas de produção, oferecendo janela de contexto de 1M, velocidade de 125 tokens/s, índice de inteligência de 92/100 e tarifa de $

Intelligence Index92 / 100

Input Token:

$2.50 / 1M

Output Token:

$10.00 / 1M

Context Window:

1M tokens

SWE-bench Verified:

76.5%

Principais Diferenças em Resumo

Grok-4 is 4.7x cheaper for API usage (input + output tokens combined).
Grok-4 has a larger context window (1M vs 272K tokens).
Grok-4 is faster at 125 tok/s vs 100 tok/s.
GPT-6 Astra leads on SWE-bench coding (82.4% vs 76.5%).

Need definitions for token pricing, context, or benchmarks?Explore AI Glossary →

Feature	GPT-6 Astra	Grok-4
Intelligence Index Composite reasoning & knowledge score (0-100)	96	92
Provider	OpenAI	xAI
Input Price Cost per million input tokens	$10.00 / 1M	$2.50 / 1M
Output Price Cost per million output tokens	$50.00 / 1M	$10.00 / 1M
Blended Price Weighted 7:2:1 cache:input:output per 1M	$7.70 / 1M	$1.68 / 1M
Context Window Maximum input + output tokens	272K tokens~408 A4 pages of text	1M tokens~1,500 A4 pages of text
Max Output Tokens Per single request	128K	64K
Throughput Speed Tokens generated per second	100 tok/s	125 tok/s
SWE-bench Verified Real-world software engineering	82.4%	76.5%
GPQA Diamond Graduate-level reasoning	80.9%	77.8%
Cached Input Price Prompt caching discount per 1M tokens	$1.00 / 1M	$0.25 / 1M

Quem vence em cada categoria?

At-a-glance decision framework

Coding

GPT-6 Astra

+5.9% SWE-bench lead

Cost

Grok-4

4.7x cheaper monthly runtime

Speed

Grok-4

+25% faster generation

Context

Grok-4

1M tokens window

Pontuações de Benchmarks Verificadas

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

GPT-6 AstraGrok-4

SWE-bench Verified (Autonomous Coding)

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

82.4%vs76.5%

GPQA Diamond (Doctorate-Level Science & Math)

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

80.9%vs77.8%

MMLU-Pro (Multi-task Language Understanding)

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

89.9%vs87.4%

LMSYS Chatbot Arena Elo

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

1520ptsvs1507pts

Humanity's Last Exam (Frontier Expert Knowledge)

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

18.2%vs15.6%

Terminal-Bench (Agentic Coding & Terminal Use)

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

63.8%vs54.2%

SciCode (Scientific Computing)

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

54.9%vs48.7%

LiveCodeBench (Competitive Coding)

Contamination-free competitive programming problems collected continuously over time.

79.8%vs75.3%

AIME (Advanced Math Competition)

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

93.6%vs89.2%

Long-Context Reasoning

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

91.2%vs86.5%

Generation Speed (Throughput)

Tokens emitted per second during active generation streaming.

100 tok/s vs125 tok/s

Latência e Tempo de Resposta

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-6 Astra0.95s

Grok-40.68s

Est. End-to-End Response (500 tokens)TTFT + generation time

GPT-6 Astra5.95s

Grok-44.68s

Simulador Interativo de Custo de Tokens

Adjust sliders to calculate projected monthly cloud API spending with prompt caching discounts.

Daily Input Tokens100K / day

10K500K1M

Daily Output Tokens30K / day

5K150K300K

Prompt Cache Hit Ratio50% cached

0% (Cold)50%90% (Warm)

GPT-6 Astra Monthly API Bill

$61.50 / month

$10/1M in · $50/1M out

Grok-4 Monthly API Bill

$13.13 / month

$2.5/1M in · $10/1M out

Grok-4 saves approximately $48.38 / month (79%) under this workload.4.7x Savings

GPT-6 Astra · Strengths & Key Advantages

Janela de contexto de 272K com limite máximo de saída de 128K tokens (SWE-bench Verified 82.4% · GPQA Diamond 80.9%)
Taxa de transferência rápida de 100 tokens/segundo com latência inicial (TTFT) de 950 ms
Economia de API competitiva ($10/$50 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

Grok-4 · Strengths & Key Advantages

Janela de contexto de 1M com limite máximo de saída de 64K tokens (SWE-bench Verified 76.5% · GPQA Diamond 77.8%)
Taxa de transferência rápida de 125 tokens/segundo com latência inicial (TTFT) de 680 ms
Economia de API competitiva ($2.5/$10 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	GPT-6 Astra	Grok-4
Cost per Task Estimated USD to finish one task	$2.15	$1.65
Output Tokens / Task Tokens generated per task	58K	48K
Reasoning Tokens / Task Thinking tokens burned per task	32K	24K

Especificações Técnicas

Architecture, release timeline, capabilities, and modalities.

Feature	GPT-6 Astra	Grok-4
Official API Model ID (SDK)	gpt-6-astra	grok-4-latest
API Protocol	OpenAI Responses API & Chat Completions v1	xAI REST API (OpenAI-Compatible)
Release Date	2026-09	2026-07
Knowledge Cutoff	June 2026	Real-time (Up to October 2026)
Architecture	Omni-Adaptive Autoregressive with Dynamic CoT	Colossus-Scale Dense Mixture-of-Experts
Parameters	Confidential	Confidential
Enterprise Rate Limits (RPM / TPM)	10,000 – 30,000 RPM (Tier 5 Enterprise) · 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 ($10/1M in) across full 272K window	Flat rate ($2.5/1M in) across full 1000K window
Prompt Cache Policy & TTL	Automatic prefix caching at $1/1M (no extra cache-write fee)	Cached input at $0.25/1M tokens
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 tool + Hosted Code Interpreter & File Search RAG	Real-time Web & X (Twitter) Search Grounding + Code Execution
Official Fine-Tuning Support	Supervised Fine-Tuning (SFT), Direct Preference (DPO) & Reinforcement Fine-Tuning (RFT)	API Prompt Engineering & RAG Distillation
Multimodal Token Billing	Text BPE (~4 chars/token) · Vision (~258–765 tokens per image tile) · Audio (~25–32 tokens/sec)	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	OpenAI Preparedness Framework Audited & System Card Published	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, audio	text, vision
Output Modalities	text, audio	text

GPT-6 Astra vs Grok-4: Respostas Rápidas (FAQ)

Which is more intelligent, GPT-6 Astra or Grok-4?

GPT-6 Astra is more intelligent. It scores 96 compared with 92 on the composite Intelligence Index.

Which model is faster?

Grok-4 is faster, generating 125 tokens per second compared with 100 tokens per second.

Which model is cheaper to run?

Grok-4 is cheaper at $1.68 per 1M tokens blended, compared with $7.70 (7:2:1 cache:input:output ratio).

Which model has lower latency?

Grok-4 has lower latency, with a time to first token of 0.68s compared with 0.95s.

Which model has a larger context window?

Grok-4 has a larger context window, supporting 1M tokens compared with 272K tokens.

Veredito

Tanto GPT-6 Astra (Indicado para síntese de voz natural, transcrição de áudio e interação falada em tempo real, arquiteturas RAG corporativas e integração escalável via API.) quanto Grok-4 (Indicado para raciocínio corporativo de fronteira, programação avançada e cargas de produção, arquiteturas RAG corporativas e integração escalável via API.) entregam excelente desempenho: GPT-6 Astra lidera em inteligência geral e programação, Grok-4 oferece geração mais rápida e Grok-4 apresenta o melhor custo-benefício em produção.

Perguntas Frequentes (FAQ)

Qual é melhor para programação e raciocínio, GPT-6 Astra ou Grok-4?+

Nas avaliações de inteligência e código, GPT-6 Astra leva vantagem. Confira os gráficos SWE-bench e GPQA acima para detalhes.

Qual modelo tem a API mais barata, GPT-6 Astra ou Grok-4?+

O GPT-6 Astra custa $10.00 / $50.00 por 1M de tokens (entrada/saída) e o Grok-4 custa $2.50 / $10.00. No custo combinado, Grok-4 é mais econômico.

Qual modelo possui maior janela de contexto e velocidade?+

O GPT-6 Astra suporta 272K tokens de contexto contra 1M tokens do Grok-4, enquanto Grok-4 entrega maior velocidade de geração.

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 & Pricing Context Window AI Benchmarks Reasoning Models Tool Calling Model Context Protocol (MCP)

GPT-6 Astra vs Grok-4

Troque e Compare Qualquer Modelo

GPT-6 Astra

Grok-4

Quem vence em cada categoria?

Pontuações de Benchmarks Verificadas

Latência e Tempo de Resposta

Simulador Interativo de Custo de Tokens

GPT-6 Astra · Strengths & Key Advantages

Considerations & Trade-offs

Grok-4 · Strengths & Key Advantages

Considerations & Trade-offs

Token Use & Task Economics

Especificações Técnicas

GPT-6 Astra vs Grok-4: Respostas Rápidas (FAQ)

Veredito

Perguntas Frequentes (FAQ)

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