Seed 2.1 Evolving vs phi-4

At a Glance

Compare
Seed 2.1 EvolvingByteDance Seed
phi-4Microsoft
Pricing and Limits
Input priceFrom · USD / 1M tokensNot reported$0.070Deepinfra · Sep 21, 2026
Output priceFrom · USD / 1M tokensNot reported$0.14Deepinfra · Sep 21, 2026
Context windowMaximum documented tokensNot reported16K
Model facts checkedSep 3, 2026View model evidence →Aug 28, 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 Evolvingphi-4
DeveloperByteDance SeedMicrosoft
FamilySeed 2 1Phi 4
ModelSeed 2.1 Evolvingphi-4
VersionSeed 2.1 Evolvingphi-4
Lifecycleactiveactive
Released2026-06-232024-12-12
Knowledge cutoffUnknownUnknown
Input modalitiesText, Image, VideoText
Output modalitiesTextText
Context windowUnknown16K
Total parametersUnknown14.7B
Active parametersUnknownUnknown
LicenseUnknownmit
Open weightsNoYes
API availableYesYes
Self-hostableNoYes
Provider accessUnknownDeepinfra (Standard), Hugging Face (Standard), Openrouter (Standard)
Capabilitiesagents, chat, generation, reasoning, structured_outputs, toolschat, generation

Seed 2.1 Evolving Capabilities

agentschatgenerationreasoningstructured outputstools
Serving providers0
Canonical IDbytedance-seed/seed-2.1-evolving

phi-4 Capabilities

chatgeneration
Serving providers3
Canonical IDmicrosoft/phi-4

Primary Evidence

Sources and Freshness

Questions

Seed 2.1 Evolving vs phi-4 FAQs

Is Seed 2.1 Evolving or phi-4 better for coding?+

This comparison does not currently contain a protocol-matched coding benchmark for both Seed 2.1 Evolving and phi-4, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.

Which is cheaper, Seed 2.1 Evolving or phi-4?+

Only phi-4 has a directly sourced input price: $0.070 per million tokens. Only phi-4 has a directly sourced output price: $0.14 per million tokens.

Which has a larger context window, Seed 2.1 Evolving or phi-4?+

Neither model has a larger sourced context window in this comparison. Seed 2.1 Evolving is — and phi-4 is 16K.

Which performs better in benchmarks, Seed 2.1 Evolving or phi-4?+

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

Can Seed 2.1 Evolving or phi-4 be self-hosted?+

phi-4 is the only model in this pair currently marked as self-hostable. Seed 2.1 Evolving is not marked open weight; phi-4 is open weight.

Can Seed 2.1 Evolving and phi-4 understand images?+

Seed 2.1 Evolving is documented with image input; phi-4 is not documented with image input. This reflects supported input modalities, not vision quality.

Which can generate longer answers, Seed 2.1 Evolving or phi-4?+

Neither has a larger sourced maximum output. Seed 2.1 Evolving is — and phi-4 is —.

Do Seed 2.1 Evolving and phi-4 support reasoning and tool use?+

Seed 2.1 Evolving: reasoning, tool calling, and image input. phi-4: none of these features are definitively sourced. Feature support does not establish relative quality.

Which is available from more inference providers, Seed 2.1 Evolving or phi-4?+

Seed 2.1 Evolving has 0 sourced provider routes; phi-4 has 3, so phi-4 has broader tracked availability.

Which offers better value, Seed 2.1 Evolving or phi-4?+

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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