# Inkling-Small vs Seed 2.1 Turbo

> Side-by-side benchmark comparison for Inkling-Small and Seed 2.1 Turbo across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/inkling-small-vs-seed-2-1-turbo
- Last updated: September 10, 2026

- Shared sourced benchmarks: 2
- HTML indexing: indexable
- Ranking lane: BenchAlign v5

## Quick Verdict

Evidence is too thin for a benchmark verdict: Inkling-Small and Seed 2.1 Turbo share only 2 sourced benchmark rows.

## Summary

- Only 2 shared sourced benchmark rows are available. That is not enough for a broad capability verdict, so this mirror does not name an overall winner.
- Seed 2.1 Turbo has the lower published output-token price.
- Inkling-Small has the larger published context window at 1M.

## Model Snapshot

| Property | Inkling-Small | Seed 2.1 Turbo |
|----------|----------|----------|
| Creator | Thinking Machines Lab | ByteDance |
| Type | Open Weight | Proprietary |
| Reasoning | Hybrid | Reasoning |
| Context | 1M | 256K |
| Independent public score (not head-to-head) | 59.25 | null |
| Benchmarks Covered | 25 | 11 |
| Pricing (input/output) | $0.58 / $1.44 | Pricing unavailable / Pricing unavailable |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Inkling-Small public-lane score: 36.9 (Supported · #128/152)
- Seed 2.1 Turbo public-lane score: Coming soon

| Benchmark | Inkling-Small | Seed 2.1 Turbo | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 64.7% | Coming soon | Coming soon |
| BrowseComp | 77.4% | Coming soon | Coming soon |
| MCP Atlas | 79.6% | Coming soon | Coming soon |
| Toolathlon-Verified | 54.4% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 55.1% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 67.6% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Inkling-Small public-lane score: 43.8 (Supported · #97/151)
- Seed 2.1 Turbo public-lane score: Coming soon

| Benchmark | Inkling-Small | Seed 2.1 Turbo | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 80.2% | Coming soon | Coming soon |
| SWE-bench Pro | 55.9% | Coming soon | Coming soon |
| Terminal-Bench 2.0 | 64.7% | Coming soon | Coming soon |
| SciCode | 48.7% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 85.9% | Coming soon | Coming soon |
| SWE-bench (Vals) | 82.2% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 67.6% | Coming soon |
| NL2Repo | Coming soon | 43.7% | Coming soon |

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- Inkling-Small public-lane score: 48.8 (#39/48)
- Seed 2.1 Turbo public-lane score: Coming soon

| Benchmark | Inkling-Small | Seed 2.1 Turbo | Winner |
|-----------|-----------|-----------|--------|
| MMMU-Pro | 74% | 80.1% | Seed 2.1 Turbo |
| CharXiv | 81.3% | 82.5% | Seed 2.1 Turbo |
| CharXiv w/o tools | 77.4% | Coming soon | Coming soon |
| MathVision | Coming soon | 90.1% | Coming soon |
| ZeroBench | Coming soon | 11.0% | Coming soon |
| BabyVision | Coming soon | 62.9% | Coming soon |
| ERQA | Coming soon | 71.3% | Coming soon |
| Video-MME | Coming soon | 89.0% | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- Inkling-Small public-lane score: 42.7 (Unranked · 3 rankable rows)
- Seed 2.1 Turbo public-lane score: Coming soon

| Benchmark | Inkling-Small | Seed 2.1 Turbo | Winner |
|-----------|-----------|-----------|--------|
| ARC-AGI-2 | 40.1% | Coming soon | Coming soon |
| CritPt | 8.3% | Coming soon | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- Inkling-Small public-lane score: 56.5 (Supported · #46/183)
- Seed 2.1 Turbo public-lane score: Coming soon

| Benchmark | Inkling-Small | Seed 2.1 Turbo | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 89.5% | Coming soon | Coming soon |
| GPQA-D | 89.5% | Coming soon | Coming soon |
| HLE | 47.8% | Coming soon | Coming soon |
| HLE w/o tools | 31.6% | Coming soon | Coming soon |
| GPQA Diamond (Vals) | 83.6% | Coming soon | Coming soon |
| MMLU-Pro (Vals) | 85.6% | Coming soon | Coming soon |
| SuperGPQA | Coming soon | 67.4% | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- Inkling-Small public-lane score: 89.6 (#25/123)
- Seed 2.1 Turbo public-lane score: Coming soon

| Benchmark | Inkling-Small | Seed 2.1 Turbo | Winner |
|-----------|-----------|-----------|--------|
| IFBench | 82.2% | Coming soon | Coming soon |

### Mathematics

- Winner: Insufficient shared evidence
- Inkling-Small public-lane score: 76.9 (Unranked · 2 rankable rows)
- Seed 2.1 Turbo public-lane score: Coming soon

| Benchmark | Inkling-Small | Seed 2.1 Turbo | Winner |
|-----------|-----------|-----------|--------|
| AIME26 | 95.5% | Coming soon | Coming soon |
| HMMT Feb 2026 | 90.2% | Coming soon | Coming soon |

## FAQ

### Is there enough evidence to pick between Inkling-Small and Seed 2.1 Turbo?

Not yet. The models share only 2 sourced benchmark rows, so this mirror reports the available measurements and metadata without naming a broad winner.

### What can I compare safely on this page?

Published pricing, context windows, model type, and individual shared benchmark rows are directly comparable. Independent overall scores and non-overlapping benchmark coverage are labeled separately and should not be read as a controlled head-to-head result.

## Related Comparisons

- [Inkling-Small vs Inkling](/compare/inkling-vs-inkling-small)
- [Seed 2.1 Turbo vs Inkling](/compare/inkling-vs-seed-2-1-turbo)
- [Inkling-Small vs Seed 2.1 Pro](/compare/inkling-small-vs-seed-2-1-pro)
- [Seed 2.1 Turbo vs Seed 2.1 Pro](/compare/seed-2-1-pro-vs-seed-2-1-turbo)

## Explore More

- [Inkling-Small profile](/models/inkling-small)
- [Seed 2.1 Turbo profile](/models/seed-2-1-turbo)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)