Seed 2.1 Evolving vs Gemini 3.1 Pro
At a Glance
| Compare | Seed 2.1 EvolvingByteDance Seed |  Gemini 3.1 ProGoogle DeepMind |
|---|---|---|
| Intelligence, Cost, and Efficiency | ||
| IntelligenceHigher is better · MM Intelligence v4.4 | UnrankedNot in the 57-model eligible cohort | #9 of 5782.1 score · 3/3 sources · complete |
| CostLower is better · Published-token output estimate | UnrankedNot in the 27-model eligible cohort | #18 of 27$0.161 per LiveBench case |
| EfficiencyHigher is better · MM Efficiency v1.9 | UnrankedNot in the 27-model eligible cohort | #8 of 2754.6 score · 3/3 sources · complete |
| Pricing and Limits | ||
| Input priceFrom · USD / 1M tokens | Not reported | $2.00Google AI ↗ · Aug 29, 2026 |
| Output priceFrom · USD / 1M tokens | Not reported | $12.00Google AI ↗ · Aug 29, 2026 |
| Context windowMaximum documented tokens | Not reported | 1,049K |
| Model facts checked | Sep 3, 2026View model evidence → | Aug 29, 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 | Gemini 3.1 Pro |
|---|---|---|
| Developer | ByteDance Seed | Google DeepMind |
| Family | Seed 2 1 | Gemini 3 |
| Model | Seed 2.1 Evolving | Gemini 3.1 Pro |
| Version | Seed 2.1 Evolving | Gemini 3.1 Pro |
| Lifecycle | active | preview |
| Released | 2026-06-23 | Unknown |
| Knowledge cutoff | Unknown | Unknown |
| Input modalities | Text, Image, Video | Text, Image, Video, Audio, Document |
| Output modalities | Text | Text |
| Context window | Unknown | 1,049K |
| 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 | Unknown | Google AI (Standard), Google Gemini (Standard) |
| Capabilities | agents, chat, generation, reasoning, structured_outputs, tools | chat, generation, reasoning, tools |
Seed 2.1 Evolving Capabilities
Gemini 3.1 Pro Capabilities
Related Comparisons
All text comparisons →| A | Pair | B | Context |
|---|---|---|---|
Seed 1.8ByteDance Seed | vs | Seed 2.1 EvolvingByteDance Seed | family variantsimage, text |
Seed 2.0 CodeByteDance Seed | vs | Seed 2.1 EvolvingByteDance Seed | family variantstext |
Seed 2.0 ProByteDance Seed | vs | Seed 2.1 EvolvingByteDance Seed | family variantsimage, text, video |
Seed 2.1 EvolvingByteDance Seed | vs | Gemini Deep Research MaxGoogle DeepMind | cross-developer peerstext |
Seed 2.1 EvolvingByteDance Seed | vs | Gemini Deep ResearchGoogle DeepMind | cross-developer peerstext |
Seed 2.1 EvolvingByteDance Seed | vs |  Muse Spark 1.3Meta | cross-developer peersimage, text, video |
Seed 2.1 EvolvingByteDance Seed | vs |  GPT-5.3-CodexOpenAI | cross-developer peersimage, text |
Seed 2.1 EvolvingByteDance Seed | vs |  Qwen3 VL FlashQwen | cross-developer peersimage, text, video |
Seed 2.1 EvolvingByteDance Seed | vs | Qwen3.7 MaxQwen | cross-developer peersimage, text, video |
Primary Evidence
Sources and Freshness
Questions
Seed 2.1 Evolving vs Gemini 3.1 Pro FAQs
Is Seed 2.1 Evolving or Gemini 3.1 Pro better for coding?+
This comparison does not currently contain a protocol-matched coding benchmark for both Seed 2.1 Evolving and Gemini 3.1 Pro, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.
Which is cheaper, Seed 2.1 Evolving or Gemini 3.1 Pro?+
Only Gemini 3.1 Pro has a directly sourced input price: $2.00 per million tokens. Only Gemini 3.1 Pro has a directly sourced output price: $12.00 per million tokens.
Which has a larger context window, Seed 2.1 Evolving or Gemini 3.1 Pro?+
Gemini 3.1 Pro has a sourced context window of 1,048,576 tokens; Seed 2.1 Evolving's context window is not reported. A larger limit cannot be determined.
Which performs better in benchmarks, Seed 2.1 Evolving or Gemini 3.1 Pro?+
There is no overall benchmark winner: At least two independently verified, protocol-matched benchmarks are required for an overall winner.
Can Seed 2.1 Evolving or Gemini 3.1 Pro be self-hosted?+
Both models have the same sourced self-hosting status: unsupported. Seed 2.1 Evolving is not marked open weight; Gemini 3.1 Pro is not marked open weight.
Can Seed 2.1 Evolving and Gemini 3.1 Pro understand images?+
Seed 2.1 Evolving is documented with image input; Gemini 3.1 Pro is documented with image input. This reflects supported input modalities, not vision quality.
Which can generate longer answers, Seed 2.1 Evolving or Gemini 3.1 Pro?+
Gemini 3.1 Pro has a sourced maximum output of 65,536 tokens; Seed 2.1 Evolving's maximum output is not reported. A larger limit cannot be determined.
Do Seed 2.1 Evolving and Gemini 3.1 Pro support reasoning and tool use?+
Seed 2.1 Evolving: reasoning, tool calling, and image input. Gemini 3.1 Pro: reasoning, tool calling, and image input. Feature support does not establish relative quality.
Which is available from more inference providers, Seed 2.1 Evolving or Gemini 3.1 Pro?+
Seed 2.1 Evolving has 0 sourced provider routes; Gemini 3.1 Pro has 2, so Gemini 3.1 Pro has broader tracked availability.
Which offers better value, Seed 2.1 Evolving or Gemini 3.1 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.