Neura Intelligence Index
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Seed 1.8
🇨🇳ByteDance7mo
Context:256K tokens
Input:$0.25/1M
Output:$2/1M
Neura Index
69.2
Rank #88—
mediumCategory Profile
Benchmark Scores (7)
math
| Benchmark | Score | Source |
|---|---|---|
| AIME 2025 | 94.3 | verified |
coding
| Benchmark | Score | Source |
|---|---|---|
| SWE-bench Verified | 72.9 | verified |
multimodal
| Benchmark | Score | Source |
|---|---|---|
| MMMU | 83.4 | verified |
Performance History
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Frequently Asked Questions about Seed 1.8
What is Seed 1.8's Neura Intelligence Index score?▾
Seed 1.8 by ByteDance scores 69.2 out of 100 on the Neura Intelligence Index, ranking #88 among tracked AI models. This composite score is computed from 7 individual benchmarks across coding, math, reasoning, and language categories.
How much does Seed 1.8 cost to use?▾
Seed 1.8 costs $0.25/1M input tokens and $2/1M output tokens via API. At a typical 3:1 input-to-output ratio with 1M tokens/day usage, the estimated monthly cost is approximately $21.
Is Seed 1.8 open source?▾
No, Seed 1.8 is a proprietary model by ByteDance. It is only accessible via their API.
What is Seed 1.8's context window?▾
Seed 1.8 supports a context window of 256K tokens, allowing it to process very long documents, codebases, and conversations in a single request.
What benchmark does Seed 1.8 perform best on?▾
Seed 1.8 achieves its highest score on AIME 2025 with a score of 94.3%. This benchmark evaluates american invitational mathematics examination 2025 — competition-level math problems.