Seed 2.1 Pro vs Inkling

At a Glance

Compare
Seed 2.1 ProByteDance Seed
InklingThinking Machines Lab
Intelligence, Cost, and Efficiency
IntelligenceHigher is better · MM Intelligence v2.5UnrankedNot in the 46-model eligible cohort#34 of 4645.4 score · 3/3 sources · complete
CostLower is better · Published-token output estimateUnrankedNot in the 44-model eligible cohort#18 of 44$0.090 per LiveBench case
EfficiencyHigher is better · MM Efficiency v1.5UnrankedNot in the 38-model eligible cohort#28 of 3848.1 score · 3/3 sources · complete
Pricing and Limits
Input priceFrom · USD / 1M tokensNot reported$0.95Deepinfra · Sep 22, 2026
Output priceFrom · USD / 1M tokensNot reported$4.05Deepinfra · Sep 22, 2026
Context windowMaximum documented tokensNot reported1,049K
Model facts checkedSep 3, 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

FieldSeed 2.1 ProInkling
DeveloperByteDance SeedThinking Machines Lab
FamilySeed 2 1Inkling
ModelSeed 2.1 ProInkling
VersionSeed 2.1 ProInkling
Lifecycleactiveactive
Released2026-06-232026-07-15
Knowledge cutoffUnknownUnknown
Input modalitiesText, Image, VideoText, Image, Video, Audio
Output modalitiesTextText
Context windowUnknown1,049K
Total parametersUnknown975B
Active parametersUnknown41B
LicenseUnknownapache-2.0
Open weightsNoYes
API availableYesYes
Self-hostableNoYes
Provider accessUnknownDeepinfra (Standard), Fireworks Ai (Standard), Openrouter (Standard), Together Ai (Standard)
Capabilitiesagents, chat, computer-use, generation, reasoning, structured_outputs, toolsagents, chat, coding, generation, reasoning, tools, vision

Seed 2.1 Pro Capabilities

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

Inkling Capabilities

agentschatcodinggenerationreasoningtoolsvision
Serving providers4
Canonical IDthinkingmachines/Inkling

Primary Evidence

Sources and Freshness

Questions

Seed 2.1 Pro vs Inkling FAQs

Is Seed 2.1 Pro or Inkling better for coding?+

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

Which is cheaper, Seed 2.1 Pro or Inkling?+

Only Inkling has a directly sourced input price: $0.95 per million tokens. Only Inkling has a directly sourced output price: $4.05 per million tokens.

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

Neither model has a larger sourced context window in this comparison. Seed 2.1 Pro is — and Inkling is 1,049K.

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

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

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

Inkling is the only model in this pair currently marked as self-hostable. Seed 2.1 Pro is not marked open weight; Inkling is open weight.

Can Seed 2.1 Pro and Inkling understand images?+

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

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

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

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

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

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

Seed 2.1 Pro has 0 sourced provider routes; Inkling has 4, so Inkling has broader tracked availability.

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

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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