Inkling-Small vs Seed 2.1 Pro: Specs & Benchmark Comparison
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| Characteristic | Inkling-Small | Seed 2.1 Pro |
|---|---|---|
| Company | Thinking Machines Lab | ByteDance |
| Release Date | July 30, 2026 | June 24, 2026 |
| Parameters | 276B | — |
| Multimodal | Yes | Yes |
| Context (input) | 256K | — |
| Context (output) | 256K | — |
| Input Price / 1M | $0.30 | — |
| Output Price / 1M | $1.20 | — |
| Average Score | 0.6 | 0.6 |
| Benchmarks | ||
| Humanity's Last Exam | 0.3 | 0.6 |
| SciCode | 0.5 | 0.6 |
| CharXiv-R | 0.8 | 0.9 |
| BrowseComp | 0.8 | 0.9 |
| MMMU-Pro | 0.7 | 0.8 |
| Terminal-Bench 2.1 | 0.6 | 0.7 |
| MCP Atlas | 0.8 | 0.8 |
| Toolathlon | 0.5 | 0.5 |
| SWE-Bench Pro | 0.6 | 0.6 |
Visual Benchmark Comparison
Inkling-Small
Seed 2.1 Pro
Humanity's Last Exam0.3 vs 0.6
0.3
0.6
SciCode0.5 vs 0.6
0.5
0.6
CharXiv-R0.8 vs 0.9
0.8
0.9
BrowseComp0.8 vs 0.9
0.8
0.9
MMMU-Pro0.7 vs 0.8
0.7
0.8
Terminal-Bench 2.10.6 vs 0.7
0.6
0.7
MCP Atlas0.8 vs 0.8
0.8
0.8
Toolathlon0.5 vs 0.5
0.5
0.5
SWE-Bench Pro0.6 vs 0.6
0.6
0.6
Verdict
Inkling-Small leads in 1 out of 2 comparison categories.
Overall Performance
Both models show comparable average scores: Inkling-Small — 0.6, Seed 2.1 Pro — 0.6.
Recency
Inkling-Small is newer: released 7/30/2026 vs 6/24/2026.
More About These Models
Related Comparisons
Frequently Asked Questions
Which is better for coding — Inkling-Small or Seed 2.1 Pro?
Direct comparison on the SWE-Bench benchmark is not available. We recommend reviewing other metrics on the comparison page.
Which model is cheaper — Inkling-Small or Seed 2.1 Pro?
API pricing data is available on the individual model pages.
Which has a larger context window — Inkling-Small or Seed 2.1 Pro?
Context window data is available on the individual model pages.
The Inkling-Small and Seed 2.1 Pro comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the Inkling-Small or Seed 2.1 Pro page. See also the complete list of AI model comparisons.