Codex vs. Grok Build

Name: Coding Agent Index
Creator: Artificial Analysis
License: https://artificialanalysis.ai/docs/legal/Terms-of-Use.pdf

Comparação entre Codex e Grok Build no Artificial Analysis Coding Agent Index, incluindo pontuações de benchmarks, custo, tempo de execução e uso de tokens.

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Destaques

Updated

Coding Agent Index

Artificial Analysis Coding Agent Index v1.5 · Higher is better

Tempo por tarefa

Average agent wall time per task · Lower is better

Custo por tarefa

Average API cost per task (USD) · Lower is better

Comparação

Comparação lado a lado de Codex e Grok Build.

Comparação de agentes de programação

Métrica	Codex GPT-6 Astra (max)	Grok Build Grok 4.6 (xhigh)	Análise
Harness do agente	Codex	Grok Build
Modelo representativo	GPT-6 Astra (max)	Grok 4.6 (xhigh)
Coding Agent Index	62	47	Codex tem um Coding Agent Index mais alto que Grok Build
DeepSWE v1.1	68%	65%	Codex tem uma pontuação mais alta em DeepSWE v1.1 que Grok Build
Terminal-Bench 4.0	56%	18%	Codex tem uma pontuação mais alta em Terminal-Bench 4.0 que Grok Build
SWE-Atlas-QnA	62%	58%	Codex tem uma pontuação mais alta em SWE-Atlas-QnA que Grok Build
Custo por tarefa	$7.47	$3.57	Grok Build tem um custo por tarefa mais baixo que Codex
Tempo por tarefa	29.4m	19.5m	Grok Build tem um tempo por tarefa mais baixo que Codex
Turnos por tarefa	39.4	112.1	Codex tem menos turnos por tarefa que Grok Build
Uso de tokens por tarefa	3.3M	5.5M	Codex tem um uso de tokens por tarefa mais baixo que Grok Build
Taxa de acertos de cache	93%	91%	Codex tem uma taxa de acertos de cache mais alta que Grok Build

Variantes de modelo

Variantes de modelo avaliadas para Codex e Grok Build.

Variantes de modelo


Codex	GPT-6 Astra (max)	62	68%	56%	62%	$7.47	29.4m	3.3M
Codex	GPT-5.6 Sol (max)	55	72%	37%	54%	$6.58	20.6m	10.2M
Codex	DeepSeek V4 Pro 0813 (max)	43	57%	10%	62%	$0.24	40.3m	24.2M
Codex	DeepSeek V4 Flash 0731 (max)	39	54%	11%	51%	$0.08	18.3m	15.4M
Grok Build	Grok 4.6 (xhigh)	47	65%	18%	58%	$3.57	19.5m	5.5M

Desempenho

Desempenho no Artificial Analysis Coding Agent Index.

Artificial Analysis Coding Agent Index

Artificial Analysis Coding Agent Index v1.5 incorporates 3 benchmarks: DeepSWE v1.1, Terminal-Bench 4.0, and SWE-Atlas-QnA · Higher is better

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The Artificial Analysis Coding Agent Index is a composite score built from DeepSWE v1.1, Terminal-Bench 4.0, and SWE-Atlas-QnA.

It is useful for quick comparison, but it should be read alongside the per-eval breakdowns. Two agents with similar index values can still have different strengths across repository tasks, terminal workflows, and rubric-based evaluations.

Artificial Analysis Coding Agent Index vs. custo por tarefa

Artificial Analysis Coding Agent Index vs. média do custo da API de pagamento por token por tarefa (USD)

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Most attractive quadrant

Pareto line

Each point represents a coding-agent variant. Farther left means lower average cost per task, while higher on the chart means higher benchmark performance. The most efficient agents sit toward the upper-left: stronger results at lower cost.

Uso de tokens

Consumo de tokens no Artificial Analysis Coding Agent Index.

Uso de tokens por tarefa

Média de tokens de entrada, cache e saída por tarefa

Prompt cache hit rates can vary significantly by provider routing, which can materially change effective cost.

Non-cached input tokens sent to the model, including prompts, instructions, tool context, and task context that were not served from prompt cache.

Artificial Analysis Coding Agent Index vs. tokens totais

Artificial Analysis Coding Agent Index vs. média de tokens totais por tarefa

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Most attractive quadrant

Each point represents a coding-agent variant. Farther left means lower average total token usage per task, while higher on the chart means higher benchmark performance. Agents toward the upper-left achieve stronger results with fewer tokens.

Custo

Custo da API de pagamento por token no Artificial Analysis Coding Agent Index, com base nos preços atuais por token.

Custo por tarefa

Average pay-per-token API cost per task (USD) · Lower is better

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This chart shows the average pay-per-token API cost per task across the Artificial Analysis Coding Agent Index, spanning DeepSWE v1.1, Terminal-Bench 4.0, and SWE-Atlas-QnA.

Where applicable, that cost model includes standard input pricing, discounted cached-input pricing, separate cache-write charges, and output pricing rather than treating all prompt tokens as if they were billed at the same uncached input rate.

It is intended to show pay-per-token API cost, not consumer plan pricing or the full operational cost of deploying the system in production. Infrastructure, engineering, and supervision costs are not the focus of this metric.

Tempo de execução

Tempo de execução ativo do agente no Artificial Analysis Coding Agent Index.

Tempo por tarefa

Average agent wall time per task · Lower is better

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This chart uses agent wall time: how long the agent process was actively running on each task.

It does not include environment startup, verifier or judge time, or other harness overhead, so it is a cleaner comparison of how long the agent itself was working.

Artificial Analysis Coding Agent Index vs. tempo de execução

Artificial Analysis Coding Agent Index vs. média do tempo de execução do agente por tarefa

Color by

Most attractive quadrant

Each point represents a coding-agent variant. Farther left means shorter average agent runtime per task, while higher on the chart means higher benchmark performance. Agents toward the upper-left deliver stronger results in less active agent time.

Codex vs. Grok Build

Coding Agent Index

Tempo por tarefa

Custo por tarefa

Comparação

Comparação de agentes de programação

Variantes de modelo

Variantes de modelo

Desempenho

Artificial Analysis Coding Agent Index

What This Metric Means

Artificial Analysis Coding Agent Index vs. custo por tarefa

How to Read This Chart

Uso de tokens

Uso de tokens por tarefa

Input Tokens

Artificial Analysis Coding Agent Index vs. tokens totais

How to Read This Chart

Custo

Custo por tarefa

What Cost Is Measuring

Tempo de execução

Tempo por tarefa

What Execution Time Is Measuring

Artificial Analysis Coding Agent Index vs. tempo de execução

How to Read This Chart