Seed 2.1 Evolving vs Bonsai Image Ternary 4B
At a Glance
| Compare | Seed 2.1 EvolvingByteDance Seed |  Bonsai Image Ternary 4BPrismML |
|---|---|---|
| Pricing and Limits | ||
| Context windowMaximum documented tokens | Not reported | Not reported |
| Model facts checked | Sep 3, 2026View model evidence → | Sep 18, 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
Side-by-Side Facts
| Field | Seed 2.1 Evolving | Bonsai Image Ternary 4B |
|---|---|---|
| Developer | ByteDance Seed | PrismML |
| Family | Seed 2 1 | Bonsai Image 4b |
| Model | Seed 2.1 Evolving | Bonsai Image Ternary 4B |
| Version | Seed 2.1 Evolving | Bonsai Image Ternary 4B |
| Lifecycle | active | active |
| Released | 2026-06-23 | 2026-05-21 |
| Knowledge cutoff | Unknown | Unknown |
| Input modalities | Text, Image, Video | Text |
| Output modalities | Text | Image |
| Context window | Unknown | Unknown |
| Total parameters | Unknown | 4B |
| Active parameters | Unknown | Unknown |
| License | Unknown | apache-2.0 |
| Open weights | No | Yes |
| API available | Yes | No |
| Self-hostable | No | Yes |
| Provider access | Unknown | Unknown |
| Capabilities | agents, chat, generation, reasoning, structured_outputs, tools | generation |
| Base model | Unknown | FLUX.2 Klein 4B |
| Default resolution | Unknown | 512 × 512 |
| Transformer size | Unknown | 1.21 GB |
| Weight format | Unknown | Ternary weights with FP16 group scales |
Seed 2.1 Evolving Capabilities
Bonsai Image Ternary 4B Capabilities
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Seed 2.1 EvolvingByteDance Seed | vs |  GLM-5.3Z.ai | cross-developer peerstext |
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Seed 2.1 EvolvingByteDance Seed | vs | Seed 2.1 ProByteDance Seed | family variantsimage, text, video |
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Primary Evidence
Sources and Freshness
Questions
Seed 2.1 Evolving vs Bonsai Image Ternary 4B FAQs
Is Seed 2.1 Evolving or Bonsai Image Ternary 4B better for coding?+
This comparison does not currently contain a protocol-matched coding benchmark for both Seed 2.1 Evolving and Bonsai Image Ternary 4B, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.
Which is cheaper, Seed 2.1 Evolving or Bonsai Image Ternary 4B?+
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 2.1 Evolving or Bonsai Image Ternary 4B?+
Neither model has a larger sourced context window in this comparison. Seed 2.1 Evolving is — and Bonsai Image Ternary 4B is —.
Which performs better in benchmarks, Seed 2.1 Evolving or Bonsai Image Ternary 4B?+
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 Bonsai Image Ternary 4B be self-hosted?+
Bonsai Image Ternary 4B is the only model in this pair currently marked as self-hostable. Seed 2.1 Evolving is not marked open weight; Bonsai Image Ternary 4B is open weight.
Can Seed 2.1 Evolving and Bonsai Image Ternary 4B understand images?+
Seed 2.1 Evolving is documented with image input; Bonsai Image Ternary 4B is not documented with image input. This reflects supported input modalities, not vision quality.
Which can generate longer answers, Seed 2.1 Evolving or Bonsai Image Ternary 4B?+
Neither has a larger sourced maximum output. Seed 2.1 Evolving is — and Bonsai Image Ternary 4B is —.
Do Seed 2.1 Evolving and Bonsai Image Ternary 4B support reasoning and tool use?+
Seed 2.1 Evolving: reasoning, tool calling, and image input. Bonsai Image Ternary 4B: 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 Bonsai Image Ternary 4B?+
Seed 2.1 Evolving has 0 sourced provider routes; Bonsai Image Ternary 4B has 0, a tie.
Which offers better value, Seed 2.1 Evolving or Bonsai Image Ternary 4B?+
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.