Gemini 3.1 Pro vs PII Tracer

At a Glance

Compare
Gemini 3.1 ProGoogle DeepMind
PII TracerPerplexity
Intelligence, Cost, and Efficiency
IntelligenceHigher is better · MM Intelligence v2.5#9 of 4679.7 score · 3/3 sources · completeUnrankedNot in the 46-model eligible cohort
CostLower is better · Published-token output estimate#27 of 44$0.161 per LiveBench caseUnrankedNot in the 44-model eligible cohort
EfficiencyHigher is better · MM Efficiency v1.5#9 of 3859.2 score · 3/3 sources · completeUnrankedNot in the 38-model eligible cohort
Pricing and Limits
Input priceFrom · USD / 1M tokens$2.00Google AI · Aug 29, 2026Not reported
Output priceFrom · USD / 1M tokens$12.00Google AI · Aug 29, 2026Not reported
Context windowMaximum documented tokens1,049K4K
Model facts checkedAug 29, 2026View model evidence →Sep 3, 2026View model evidence →

Token prices are the lowest available sourced USD rates; input and output may use different providers. Cost ranking estimates output spend on LiveBench, not a full request bill. Ranking methodology →

Available Benchmarks

All benchmark results →
No Protocol-Matched Benchmark Yet.Results appear here only when both models share the same benchmark version, metric, evaluation protocol, and evidence class.

Side-by-Side Facts

FieldGemini 3.1 ProPII-Tracer
DeveloperGoogle DeepMindPerplexity
FamilyGemini 3Pii Tracer
ModelGemini 3.1 ProPII-Tracer
VersionGemini 3.1 ProPII-Tracer
Lifecyclepreviewactive
ReleasedUnknown2026-09-01
Knowledge cutoffUnknownUnknown
Input modalitiesText, Image, Video, Audio, DocumentText
Output modalitiesTextText
Context window1,049K4K
Total parametersUnknown596.1M
Active parametersUnknownUnknown
LicenseUnknownmit
Open weightsNoYes
API availableYesNo
Self-hostableNoYes
Provider accessGoogle AI (Standard), Google Gemini (Standard)Unknown
Capabilitieschat, generation, reasoning, toolsclassification, pii-detection, redaction, sensitivity-classification, token-classification

Gemini 3.1 Pro Capabilities

chatgenerationreasoningtools
Serving providers2
Canonical IDgoogle-deepmind/gemini-3.1-pro-preview

PII Tracer Capabilities

classificationpii-detectionredactionsensitivity-classificationtoken-classification
Serving providers0
Canonical IDperplexity-ai/pplx-pii-masking

Primary Evidence

Sources and Freshness

Questions

Gemini 3.1 Pro vs PII Tracer FAQs

Is Gemini 3.1 Pro or PII Tracer better for coding?+

This comparison does not currently contain a protocol-matched coding benchmark for both Gemini 3.1 Pro and PII Tracer, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.

Which is cheaper, Gemini 3.1 Pro or PII Tracer?+

Only Gemini 3.1 Pro has a directly sourced input price: $2.00 per million tokens. Only Gemini 3.1 Pro has a directly sourced output price: $12.00 per million tokens.

Which has a larger context window, Gemini 3.1 Pro or PII Tracer?+

Gemini 3.1 Pro has the larger sourced context window. Gemini 3.1 Pro supports 1,049K and PII Tracer supports 4K.

Which performs better in benchmarks, Gemini 3.1 Pro or PII Tracer?+

There is no overall benchmark winner: At least two independently verified, protocol-matched benchmarks are required for an overall winner.

Can Gemini 3.1 Pro or PII Tracer be self-hosted?+

PII Tracer is the only model in this pair currently marked as self-hostable. Gemini 3.1 Pro is not marked open weight; PII Tracer is open weight.

Can Gemini 3.1 Pro and PII Tracer understand images?+

Gemini 3.1 Pro is documented with image input; PII Tracer is not documented with image input. This reflects supported input modalities, not vision quality.

Which can generate longer answers, Gemini 3.1 Pro or PII Tracer?+

Neither has a larger sourced maximum output. Gemini 3.1 Pro is 66K and PII Tracer is —.

Do Gemini 3.1 Pro and PII Tracer support reasoning and tool use?+

Gemini 3.1 Pro: reasoning, tool calling, and image input. PII Tracer: none of these features are definitively sourced. Feature support does not establish relative quality.

Which is available from more inference providers, Gemini 3.1 Pro or PII Tracer?+

Gemini 3.1 Pro has 2 sourced provider routes; PII Tracer has 0, so Gemini 3.1 Pro has broader tracked availability.

Which offers better value, Gemini 3.1 Pro or PII Tracer?+

There is no universal value winner. Compare the input and output prices above with the matched benchmark result for your workload: cheaper tokens can be offset by different quality, token usage, latency, or provider availability.

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