# Gemini 3.8 Live Extended Thinking vs Perplexity Decider Flash v1.2 4B

> Side-by-side benchmark comparison for Gemini 3.8 Live Extended Thinking and Perplexity Decider Flash v1.2 4B across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/gemini-3-8-live-extended-thinking-vs-pplx-decider-flash-v1-2
- Last updated: October 20, 2026

- Shared sourced benchmarks: 0
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

No benchmark verdict yet: there is no shared sourced benchmark row for Gemini 3.8 Live Extended Thinking and Perplexity Decider Flash v1.2 4B.

## Summary

- Gemini 3.8 Live Extended Thinking and Perplexity Decider Flash v1.2 4B do not currently share a sourced benchmark row. The mirror therefore compares metadata, pricing, context windows, and each model's separately reported coverage without naming a benchmark winner.

## Model Snapshot

| Property | Gemini 3.8 Live Extended Thinking | Perplexity Decider Flash v1.2 4B |
|----------|----------|----------|
| Creator | Google | Perplexity |
| Type | Proprietary | Open Weight |
| Reasoning | Reasoning | Unspecified |
| Context | 128K | 262K |
| Independent public score (not head-to-head) | null | null |
| Benchmarks Covered | 0 | 0 |
| Pricing (input/output) | $0.75 / $4.50 | $0.01 / $0.00 |

## Category Breakdown

## FAQ

### Can I compare Gemini 3.8 Live Extended Thinking and Perplexity Decider Flash v1.2 4B on BenchLM yet?

Not fully yet. BenchLM is tracking both models, but sourced benchmark coverage is still incomplete for a fair score-level comparison.

### Why does this page show "coming soon" values?

BenchLM only calls winners when public benchmark coverage is available on both sides of the comparison.

## Related Comparisons

- [Gemini 3.8 Live Extended Thinking vs Gemini 3.8 Live](/compare/gemini-3-8-live-vs-gemini-3-8-live-extended-thinking)
- [Perplexity Decider Flash v1.2 4B vs Gemini 3.8 Live](/compare/gemini-3-8-live-vs-pplx-decider-flash-v1-2)
- [Gemini 3.8 Live Extended Thinking vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-gemini-3-8-live-extended-thinking)
- [Perplexity Decider Flash v1.2 4B vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-pplx-decider-flash-v1-2)

## Explore More

- [Gemini 3.8 Live Extended Thinking profile](/models/gemini-3-8-live-extended-thinking)
- [Perplexity Decider Flash v1.2 4B profile](/models/pplx-decider-flash-v1-2)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)