Claude Opus 4.8 wins on coding (100 vs 80) and writing quality. Gemini 3.1 Pro wins on price ($2 vs $5/1M input) and context window (2M vs 1M). For most workflows, Gemini 3.1 Pro is the stronger default — best for research and deep document analysis — 2m context at the best premium price.
The shortest way to see the safest default, the lower-cost option, and the specialist pick before you read deeper.
Gemini 3.1 Pro is the safest overall answer here when you want the strongest default instead of the lowest list price.
Google: Gemma 2 9B is the lower-cost option to start with when you still need useful output at scale.
Claude Opus 4.8 is the better pick when response speed matters more than maximum reasoning depth.
Claude Opus 4.8 leads on coding with a score of 100 vs 80 for Gemini 3.1 Pro.
Gemini 3.1 Pro has the larger context window: 2M vs 1M for Claude Opus 4.8.
Gemini 3.1 Pro is cheaper at $2/1M input tokens vs $5/1M for Claude Opus 4.8.
Choose Gemini 3.1 Pro for research and long context — research.
Choose Claude Opus 4.8 when hardest coding tasks.
Both models serve different primary workflows — consider using each where it has a clear edge.
Switch the scoring lens to see whether the top answer changes when you care more about cost, speed, or long-document work.
Anthropic / Premium / May 27, 2026
New #1 on SWE-Bench Pro — parallel subagents, same price as Opus 4.7.
Ranks models by the broadest mix of coding, writing, research, and long-context usefulness.
You need low-latency responses, image generation, or a workflow locked to OpenAI tooling.
The fastest way to see where the recommendation shifts when your priority changes.
New #1 on SWE-Bench Pro — parallel subagents, same price as Opus 4.7.
Best for research and deep document analysis — 2M context at the best premium price.
2M token context window — the largest of any frontier model
Leads ARC-AGI-2 reasoning benchmark at 77.1%
Best price-to-performance among premium models at $2/$12 per 1M tokens
Slower than Flash for everyday lightweight tasks
Claude Sonnet 4.6 is better for writing quality
UseRightAI recommendations are based on practical decision factors people actually feel in day-to-day use.
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Gemini 3.1 Pro wins on more categories — research, long context, reasoning. Claude Opus 4.8 is the better pick when hardest coding tasks. The right choice depends on your specific use case.
Gemini 3.1 Pro is cheaper at $2/1M input and $12/1M output. Claude Opus 4.8 costs $5/1M input and $25/1M output.
Gemini 3.1 Pro has the larger context window at 2M tokens vs Claude Opus 4.8's 1M. For large document analysis, Gemini 3.1 Pro is the stronger pick.
Claude Opus 4.8 is better for coding with a score of 100 vs Gemini 3.1 Pro's 80 (out of 100). Claude Fable 5 is the overall coding leader in this directory at 100/100.
Gemini 3.1 Pro is faster with a balanced speed rating (score: 3) vs Claude Opus 4.8's deliberate rating (score: 2).