Flik AI | Claude Opus vs Sonnet — When to Use Each
TL;DR: Claude Opus vs Sonnet in Flik AI. Opus 4.7 (smartest) and Opus 4.6 (smart) vs Sonnet 4.6 (default). Pick based on complexity, cost, and speed.
Claude Opus vs Claude Sonnet — when to pick which
| Claude Opus 4.6 / 4.7 | Claude Sonnet 4.6 |
|---|
| Tag | Smartest (4.7) / Smart (4.6) | Default |
| Intelligence | 4 / 4 (highest) | 3 (balanced) |
| Speed | 1 (slower) | 2 (faster than Opus) |
| Cost | 4 (premium) | 3 (balanced) |
| Best for | Complex multi-step projects, long-form writing, research, advanced tool use | Default agent, chat conversations, general reasoning, tool use at scale |
| When to use | High-stakes creative briefs that need deep reasoning | Most everyday creative work — great balance of capability vs. cost |
Frequently asked questions
Opus vs Sonnet — which should I use?
Sonnet 4.6 for everyday creative work — it's the default because it balances intelligence, speed, and cost well. Upgrade to Opus 4.7 (smartest) or Opus 4.6 (smart) for complex multi-step projects where deeper reasoning beats faster response.
Is Opus 4.7 worth the extra cost?
For complex creative briefs, research-heavy work, or long-form writing — yes. For simple generation tasks, Sonnet 4.6 delivers nearly identical results at a lower credit cost.
What's the difference between Opus 4.6 and 4.7?
Opus 4.7 (March 2026) is Anthropic's latest, most capable model. Opus 4.6 (January 2026) is the prior generation — still very strong for complex work, and often a better cost-to-capability trade than 4.7 for most projects.
Can I switch between Opus and Sonnet mid-project?
Yes. Flik AI's model picker lets you switch per chat. A common pattern is to draft with Sonnet 4.6, escalate specific hard turns to Opus 4.7, then switch back to Sonnet for follow-ups.
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