Seed 2.0 Code vs Seed 2.1 Evolving
At a Glance
| Compare | Seed 2.0 CodeByteDance Seed | Seed 2.1 EvolvingByteDance Seed |
|---|---|---|
| Pricing and Limits | ||
| Input priceFrom · USD / 1M tokens | $0.50Openrouter ↗ · Oct 19, 2026 | Not reported |
| Output priceFrom · USD / 1M tokens | $3.00Openrouter ↗ · Oct 19, 2026 | Not reported |
| Context windowMaximum documented tokens | Not reported | Not reported |
| Model facts checked | Sep 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
Side-by-Side Facts
| Field | Seed 2.0 Code | Seed 2.1 Evolving |
|---|---|---|
| Developer | ByteDance Seed | ByteDance Seed |
| Family | Seed 2 0 | Seed 2 1 |
| Model | Seed 2.0 Code | Seed 2.1 Evolving |
| Version | Seed 2.0 Code | Seed 2.1 Evolving |
| Lifecycle | active | active |
| Released | 2026-02-14 | 2026-06-23 |
| Knowledge cutoff | Unknown | Unknown |
| Input modalities | Text | Text, Image, Video |
| Output modalities | Text | Text |
| Context window | Unknown | Unknown |
| Total parameters | Unknown | Unknown |
| Active parameters | Unknown | Unknown |
| License | Unknown | Unknown |
| Open weights | No | No |
| API available | Yes | Yes |
| Self-hostable | No | No |
| Provider access | Openrouter (Standard) | Unknown |
| Capabilities | agents, chat, generation, reasoning, structured_outputs, tools | agents, chat, generation, reasoning, structured_outputs, tools |
Seed 2.0 Code Capabilities
Seed 2.1 Evolving Capabilities
Related Comparisons
All text comparisons →| A | Pair | B | Context |
|---|---|---|---|
Seed 2.0 CodeByteDance Seed | vs |  Gemini 3.8 Flash CyberGoogle DeepMind | cross-developer peerstext |
Seed 2.0 CodeByteDance Seed | vs |  Solar Pro 4Upstage | cross-developer peerstext |
Claude Sonnet 4.6Anthropic | vs | Seed 2.0 CodeByteDance Seed | cross-developer peerstext |
Seed 2.0 CodeByteDance Seed | vs | Seed 2.0 LiteByteDance Seed | family variantstext |
Seed 2.0 CodeByteDance Seed | vs | Seed 2.0 MiniByteDance Seed | family variantstext |
Seed 2.0 CodeByteDance Seed | vs | Seed 2.1 TurboByteDance Seed | family variantstext |
Seed 2.0 CodeByteDance Seed | vs |  GPT-5 NanoOpenAI | cross-developer peerstext |
Seed 2.0 CodeByteDance Seed | vs | GPT-5.2 ProOpenAI | cross-developer peerstext |
Primary Evidence
Sources and Freshness
Questions
Seed 2.0 Code vs Seed 2.1 Evolving FAQs
Is Seed 2.0 Code or Seed 2.1 Evolving better for coding?+
This comparison does not currently contain a protocol-matched coding benchmark for both Seed 2.0 Code and Seed 2.1 Evolving, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.
Which is cheaper, Seed 2.0 Code or Seed 2.1 Evolving?+
Only Seed 2.0 Code has a directly sourced input price: $0.50 per million tokens. Only Seed 2.0 Code has a directly sourced output price: $3.00 per million tokens.
Which has a larger context window, Seed 2.0 Code or Seed 2.1 Evolving?+
Neither model has a sourced context window in this comparison, so a larger limit cannot be determined.
Which performs better in benchmarks, Seed 2.0 Code or Seed 2.1 Evolving?+
There is no overall benchmark winner: At least two independently verified, protocol-matched benchmarks are required for an overall winner.
Can Seed 2.0 Code or Seed 2.1 Evolving be self-hosted?+
Both models have the same sourced self-hosting status: unsupported. Seed 2.0 Code is not marked open weight; Seed 2.1 Evolving is not marked open weight.
Can Seed 2.0 Code and Seed 2.1 Evolving understand images?+
Seed 2.0 Code is not documented with image input; Seed 2.1 Evolving is documented with image input. This reflects supported input modalities, not vision quality.
Which can generate longer answers, Seed 2.0 Code or Seed 2.1 Evolving?+
Neither model has a sourced maximum output in this comparison, so a larger limit cannot be determined.
Do Seed 2.0 Code and Seed 2.1 Evolving support reasoning and tool use?+
Seed 2.0 Code: reasoning and tool calling. Seed 2.1 Evolving: reasoning, tool calling, and image input. Feature support does not establish relative quality.
Which is available from more inference providers, Seed 2.0 Code or Seed 2.1 Evolving?+
Seed 2.0 Code has 1 sourced provider route; Seed 2.1 Evolving has 0, so Seed 2.0 Code has broader tracked availability.
Which offers better value, Seed 2.0 Code or Seed 2.1 Evolving?+
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.