tokevenClaude Opus 4.8 vs Gemini 3.5 Flash
Side-by-side comparison of pricing, task quality, and projected cost at higher scale.
Pricing
Side-by-side pricing
Claude Opus 4.8
FlagshipGemini 3.5 Flash
Fast / BudgetQuality
Task confidence comparison
Guidance
When to use Claude Opus 4.8 vs Gemini 3.5 Flash
Choose Claude Opus 4.8 when...
- -You need strong code review (confidence 94 vs 65)
- -You need strong reasoning (confidence 89 vs 82)
- -You need strong q&a (confidence 85 vs 84)
- -You need strong creative writing (confidence 81 vs 75)
Choose Gemini 3.5 Flash when...
- -You need strong classification (confidence 92 vs 80)
- -You need strong summarization (confidence 76 vs 69)
- -Cost matters: 70% cheaper on input tokens
- -You need a larger context window (1.0M vs 1M)
At scale
Cost at scale
FAQ
When should I use Claude Opus 4.8 instead of Gemini 3.5 Flash?
Claude Opus 4.8 outperforms Gemini 3.5 Flash for Code Generation, Code Review, Q&A. It costs $5.00/$25.00 per million tokens (input/output).
Is Gemini 3.5 Flash cheaper than Claude Opus 4.8?
Yes. Gemini 3.5 Flash input costs $1.50/MTok vs $5.00/MTok for Claude Opus 4.8, saving 70% on input.
What are the context window sizes for Claude Opus 4.8 and Gemini 3.5 Flash?
Claude Opus 4.8 has a 1M token context window. Gemini 3.5 Flash has a 1.0M token context window.
Go deeper on either model
Per-call cost calculators, provider lineups, and price history for both models on this page.
Other comparisons
How Claude Opus 4.8 and Gemini 3.5 Flash stack up against the rest of the field.
Track your real costs
Comparisons show estimated costs at list price. The dashboard reveals your real spend and savings.