Grok 4 wins on price ($2 vs $15/1M input) and context window (2M vs 1M). Claude Opus 4.6 wins on coding (99 vs 92) and writing quality. For most workflows, Grok 4 is the stronger default — strong coding value with 2m context — an underrated pick at this price.
The shortest way to see the safest default, the lower-cost option, and the specialist pick before you read deeper.
Grok 4 is the safest overall answer here when you want the strongest default instead of the lowest list price.
Switch the scoring lens to see whether the top answer changes when you care more about cost, speed, or long-document work.
Anthropic / Premium / Mar 24, 2026
Previous Opus flagship, now superseded by Claude Opus 4.7.
Ranks models by the broadest mix of coding, writing, research, and long-context usefulness.
You want the current premium coding leader, need lower cost, or are starting a new integration.
The fastest way to see where the recommendation shifts when your priority changes.
75% SWE-bench score — strong coding performance close to top Claude models
2M token context window at $2/$6 per million tokens
Fast and responsive for exploration and open-ended research loops
Claude Opus 4.6 and Sonnet 4.6 lead on pure coding benchmarks
Less established ecosystem and tooling than OpenAI or Anthropic
UseRightAI recommendations are based on practical decision factors people actually feel in day-to-day use.
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Grok 4 wins on more categories — coding, research, reasoning. Claude Opus 4.6 is the better pick when agentic coding. The right choice depends on your specific use case.
Grok 4 is cheaper at $2/1M input and $6/1M output. Claude Opus 4.6 costs $15/1M input and $75/1M output.
Grok 4 has the larger context window at 2M tokens vs Claude Opus 4.6's 1M. For large document analysis, Grok 4 is the stronger pick.
Claude Opus 4.6 is better for coding with a score of 99 vs Grok 4's 92. For the highest coding quality available, Claude Sonnet 4.6 (79.6% SWE-bench) or Opus 4.6 (80.8%) remain benchmarks.
Grok 4 is faster with a fast speed rating (score: 4) vs Claude Opus 4.6's deliberate rating (score: 2).
Meta: Llama 3.1 8B Instruct is the lower-cost option to start with when you still need useful output at scale.
Claude Opus 4.6 is the better pick when response speed matters more than maximum reasoning depth.
Claude Opus 4.6 leads on coding with a score of 99 vs 92 for Grok 4.
Grok 4 has the larger context window: 2M vs 1M for Claude Opus 4.6.
Grok 4 is cheaper at $2/1M input tokens vs $15/1M for Claude Opus 4.6.
Choose Grok 4 for coding and research — coding and research at competitive pricing with maximum context.
Choose Claude Opus 4.6 when agentic coding.
Both models serve different primary workflows — consider using each where it has a clear edge.
