Seed 2.0 Lite vs Sonar

At a Glance

Compare
Seed 2.0 LiteByteDance Seed
SonarPerplexity
Pricing and Limits
Input priceFrom · USD / 1M tokens$0.25Openrouter · Sep 22, 2026$1.00Openrouter · Sep 22, 2026
Output priceFrom · USD / 1M tokens$2.00Openrouter · Sep 22, 2026$1.00Openrouter · Sep 22, 2026
Context windowMaximum documented tokensNot reported128K
Model facts checkedSep 3, 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

FieldSeed 2.0 LiteSonar
DeveloperByteDance SeedPerplexity
FamilySeed 2 0Sonar
ModelSeed 2.0 LiteSonar
VersionSeed 2.0 LiteSonar
Lifecycleactiveactive
Released2026-02-14Unknown
Knowledge cutoffUnknownUnknown
Input modalitiesText, Image, Video, AudioText
Output modalitiesTextText
Context windowUnknown128K
Total parametersUnknownUnknown
Active parametersUnknownUnknown
LicenseUnknownUnknown
Open weightsNoNo
API availableYesYes
Self-hostableNoNo
Provider accessOpenrouter (Standard)Openrouter (Standard), Perplexity (Standard)
Capabilitiesagents, chat, generation, reasoning, structured_outputs, toolschat, citations, search

Seed 2.0 Lite Capabilities

agentschatgenerationreasoningstructured outputstools
Serving providers1
Canonical IDbytedance-seed/seed-2.0-lite

Sonar Capabilities

chatcitationssearch
Serving providers2
Canonical IDperplexity/sonar

Primary Evidence

Sources and Freshness

Questions

Seed 2.0 Lite vs Sonar FAQs

Is Seed 2.0 Lite or Sonar better for coding?+

This comparison does not currently contain a protocol-matched coding benchmark for both Seed 2.0 Lite and Sonar, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.

Which is cheaper, Seed 2.0 Lite or Sonar?+

Seed 2.0 Lite is $0.25 and Sonar is $1.00 per million tokens, so Seed 2.0 Lite is cheaper on this metric. Seed 2.0 Lite is $2.00 and Sonar is $1.00 per million tokens, so Sonar is cheaper on this metric.

Which has a larger context window, Seed 2.0 Lite or Sonar?+

Neither model has a larger sourced context window in this comparison. Seed 2.0 Lite is — and Sonar is 128K.

Which performs better in benchmarks, Seed 2.0 Lite or Sonar?+

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

Can Seed 2.0 Lite or Sonar be self-hosted?+

Both models have the same recorded self-hosting status: unsupported. Seed 2.0 Lite is not marked open weight; Sonar is not marked open weight.

Can Seed 2.0 Lite and Sonar understand images?+

Seed 2.0 Lite is documented with image input; Sonar is not documented with image input. This reflects supported input modalities, not vision quality.

Which can generate longer answers, Seed 2.0 Lite or Sonar?+

Neither has a larger sourced maximum output. Seed 2.0 Lite is — and Sonar is —.

Do Seed 2.0 Lite and Sonar support reasoning and tool use?+

Seed 2.0 Lite: reasoning, tool calling, and image input. Sonar: none of these features are definitively sourced. Feature support does not establish relative quality.

Which is available from more inference providers, Seed 2.0 Lite or Sonar?+

Seed 2.0 Lite has 1 sourced provider route; Sonar has 2, so Sonar has broader tracked availability.

Which offers better value, Seed 2.0 Lite 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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