Llama 3.1 405B Instruct vs Sonar

At a Glance

Compare
SonarPerplexity
Pricing and Limits
Input priceFrom · USD / 1M tokensNot reported$1.00Openrouter · Sep 22, 2026
Output priceFrom · USD / 1M tokensNot reported$1.00Openrouter · Sep 22, 2026
Context windowMaximum documented tokens131K128K
Model facts checkedAug 28, 2026View model evidence →Aug 29, 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

FieldLlama-3.1-405B-InstructSonar
DeveloperMetaPerplexity
FamilyLlama 3 1 405b InstructSonar
ModelLlama-3.1-405B-InstructSonar
VersionLlama-3.1-405B-InstructSonar
Lifecycleactiveactive
Released2024-07-23Unknown
Knowledge cutoffUnknownUnknown
Input modalitiesTextText
Output modalitiesTextText
Context window131K128K
Total parameters405.9BUnknown
Active parametersUnknownUnknown
Licensellama3.1Unknown
Open weightsYesNo
API availableYesYes
Self-hostableYesNo
Provider accessTogether Ai (Standard)Openrouter (Standard), Perplexity (Standard)
Capabilitieschat, generation, toolschat, citations, search

Llama 3.1 405B Instruct Capabilities

chatgenerationtools
Serving providers1
Canonical IDmeta-llama/Llama-3.1-405B-Instruct

Sonar Capabilities

chatcitationssearch
Serving providers2
Canonical IDperplexity/sonar

Primary Evidence

Sources and Freshness

Questions

Llama 3.1 405B Instruct vs Sonar FAQs

Is Llama 3.1 405B Instruct or Sonar better for coding?+

This comparison does not currently contain a protocol-matched coding benchmark for both Llama 3.1 405B Instruct and Sonar, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.

Which is cheaper, Llama 3.1 405B Instruct or Sonar?+

Only Sonar has a directly sourced input price: $1.00 per million tokens. Only Sonar has a directly sourced output price: $1.00 per million tokens.

Which has a larger context window, Llama 3.1 405B Instruct or Sonar?+

Llama 3.1 405B Instruct has the larger sourced context window. Llama 3.1 405B Instruct supports 131K and Sonar supports 128K.

Which performs better in benchmarks, Llama 3.1 405B Instruct or Sonar?+

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

Can Llama 3.1 405B Instruct or Sonar be self-hosted?+

Llama 3.1 405B Instruct is the only model in this pair currently marked as self-hostable. Llama 3.1 405B Instruct is open weight; Sonar is not marked open weight.

Can Llama 3.1 405B Instruct and Sonar understand images?+

Llama 3.1 405B Instruct is not documented with image input; Sonar is not documented with image input. This reflects supported input modalities, not vision quality.

Which can generate longer answers, Llama 3.1 405B Instruct or Sonar?+

Neither has a larger sourced maximum output. Llama 3.1 405B Instruct is — and Sonar is —.

Do Llama 3.1 405B Instruct and Sonar support reasoning and tool use?+

Llama 3.1 405B Instruct: tool calling. Sonar: none of these features are definitively sourced. Feature support does not establish relative quality.

Which is available from more inference providers, Llama 3.1 405B Instruct or Sonar?+

Llama 3.1 405B Instruct has 1 sourced provider route; Sonar has 2, so Sonar has broader tracked availability.

Which offers better value, Llama 3.1 405B Instruct or Sonar?+

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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