Seed 2.0 Pro vs Seed 2.1 Pro

Why this pair: Consecutive ByteDance Seed flagship generations

Benchmark Performance

Available Benchmarks

No Protocol-Matched Benchmark Yet.Results appear here only when both models share the same benchmark version, metric, evaluation protocol, and evidence class.
FieldAt a Glance
ByteDance Seed · activeSeed 2.0 ProVerified Sep 3, 2026
ByteDance Seed · activeSeed 2.1 ProVerified Sep 3, 2026

Technical Differences

Side-by-Side Facts

CuratedIndexable
FieldSeed 2.0 ProSeed 2.1 Pro
DeveloperByteDance SeedByteDance Seed
FamilySeed 2 0Seed 2 1
ModelSeed 2.0 ProSeed 2.1 Pro
VersionSeed 2.0 ProSeed 2.1 Pro
Lifecycleactiveactive
Released2026-02-142026-06-23
Knowledge cutoffUnknownUnknown
Input modalitiesText, Image, VideoText, Image, Video
Output modalitiesTextText
Context windowUnknownUnknown
Total parametersUnknownUnknown
Active parametersUnknownUnknown
LicenseUnknownUnknown
Open weightsNoNo
API availableYesYes
Self-hostableNoNo
Provider accessUnknownUnknown
Capabilitiesagents, chat, computer-use, generation, reasoning, structured_outputs, toolsagents, chat, computer-use, generation, reasoning, structured_outputs, tools

12 comparable fields · 4 material differences · Editorially curated pair passes the primary-source comparison gate

Seed 2.0 Pro Capabilities

agentschatcomputer-usegenerationreasoningstructured outputstools
Input price
Output price
Serving providers0
Canonical IDbytedance-seed/seed-2.0-pro

Seed 2.1 Pro Capabilities

agentschatcomputer-usegenerationreasoningstructured outputstools
Input price
Output price
Serving providers0
Canonical IDbytedance-seed/seed-2.1-pro

Internal Comparison Graph

Related Comparisons

All image comparisons →
APairBContext
vsfamily variantsimage, text, video
vsfamily variantsimage, text, video
vsfamily variantsimage, text, video
vsfamily variantsimage, text, video
vsfamily variantsimage, text, video
vscross-developer peersimage, text, video
vscross-developer peersimage, text, video
vscross-developer peersimage, text, video
vscross-developer peersimage, text, video
vscross-developer peersimage, text, video
vscross-developer peersimage, text, video
vsfamily variantsimage, text

Primary Evidence

Sources and Freshness

Questions

Seed 2.0 Pro vs Seed 2.1 Pro FAQs

Is Seed 2.0 Pro or Seed 2.1 Pro better for coding?+

This comparison does not currently contain a protocol-matched coding benchmark for both Seed 2.0 Pro and Seed 2.1 Pro, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.

Which is cheaper, Seed 2.0 Pro or Seed 2.1 Pro?+

Neither model has a directly sourced input price in this comparison. Neither model has a directly sourced output price in this comparison.

Which has a larger context window, Seed 2.0 Pro or Seed 2.1 Pro?+

Neither model has a larger sourced context window in this comparison. Seed 2.0 Pro is — and Seed 2.1 Pro is —.

Which performs better in benchmarks, Seed 2.0 Pro or Seed 2.1 Pro?+

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

Can Seed 2.0 Pro or Seed 2.1 Pro be self-hosted?+

Both models have the same recorded self-hosting status: unsupported. Seed 2.0 Pro is not marked open weight; Seed 2.1 Pro is not marked open weight.

Can Seed 2.0 Pro and Seed 2.1 Pro understand images?+

Seed 2.0 Pro is documented with image input; Seed 2.1 Pro is documented with image input. This reflects supported input modalities, not vision quality.

Which can generate longer answers, Seed 2.0 Pro or Seed 2.1 Pro?+

Neither has a larger sourced maximum output. Seed 2.0 Pro is — and Seed 2.1 Pro is —.

Do Seed 2.0 Pro and Seed 2.1 Pro support reasoning and tool use?+

Seed 2.0 Pro: reasoning, tool calling, and image input. Seed 2.1 Pro: reasoning, tool calling, and image input. Feature support does not establish relative quality.

Which is available from more inference providers, Seed 2.0 Pro or Seed 2.1 Pro?+

Seed 2.0 Pro has 0 sourced provider routes; Seed 2.1 Pro has 0, a tie.

Which offers better value, Seed 2.0 Pro or Seed 2.1 Pro?+

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.

Send Feedback