Doubao Seed Evolving
Continuously evolving build; capability changes over time and it is not recommended as a production dependency.
01
Snapshot
Overall
68
rank #15 of 22
Coding
67
rank #14 of 22
Multimodal
83
rank #9 of 22
Input / Output
$0.83 / $4.17
USD per 1M tokens
Context
1M
usable recall 92
Speed
~60 tok/s
TTFT 0.5s
Aggregated from public sources and independently weighted; methodology on the Terms page. Scores within 3 points are treated as statistically tied.
02
Specs & pricing
Every tracked field. List API prices in USD per 1M tokens; verify current vendor pricing before purchase.
| Vendor | ByteDance (CN) |
| Released / current | 2026.07 |
| Licensing | Closed / managed API |
| Context window | 1M |
| Max output | 256K |
| Effective-context score | 92 |
| Input / output price | $0.83 / $4.17 per 1M tokens |
| Cache discount | Context-cache discount (rate not published) |
| Free tier | Doubao App free |
| Speed / TTFT | ~60 tok/s / 0.5s |
| Function calling | 82 |
| Refusal rate | ~10% |
| English / Chinese | 70 / 93 |
| Modalities | text, image |
| Fine-tuning | No |
| Private deployment | Yes (enterprise) |
| SOC2 / no-train | no / yes |
03
Strengths & watch-outs
Strengths
- Continuously updated
- 1M context
- Good Chinese
- ByteDance ecosystem
Watch-outs
- Less stable than release builds
- Average English
04
Where it ranks among 22 models
Overall 68/100 (#15), coding 67 (#14), multimodal 83 (#9). See the full boards and side-by-side compare on the leaderboard.
05
Pricing in practice
Illustrative monthly bill for 100M input + 30M output tokens: $208 at list. Your mix and cache-hit ratio change this.
Illustrative model using public list rates before any enterprise agreement; cache discount: Context-cache discount (rate not published).
06
Frequently asked questions
How much does Doubao Seed Evolving cost?
List API pricing is $0.83 input and $4.17 output per 1M tokens. Context-cache discount (rate not published). Doubao App free
What is Doubao Seed Evolving's context window, and is it usable end to end?
It advertises a 1M window with 256K max output; its effective-context score is 92/100, which is the better predictor of whether long-document details are actually retained.
Is Doubao Seed Evolving good for coding?
Its coding aggregate is 67/100, rank #14 of 22. It is adequate for scripts and assisted completion rather than the most demanding SWE-style work.
Can I self-host Doubao Seed Evolving?
No. It is a closed managed API (private deployment may be negotiated for enterprise; there is no weights download.
How strong is it in Chinese and on multimodal inputs?
Chinese score is 93 versus English 70; multimodal aggregate is 83/100 (rank #9), accepting text, image.