Model comparison
Seed 2.0 Pro vs Inkling
Seed 2.0 Pro and Inkling score almost the same on the Noometry Index (43.2 vs 44.1), so choose on price, context window or the category you care about most.
Last verified . 17 shared benchmarks.
ByteDance SeedSummary
- They share 17 benchmarks with published results for both. Seed 2.0 Pro scores higher in 3 categories and Inkling in 5 categories; 5 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Inkling leads 40.4 to 24.1.
- Seed 2.0 Pro is cheaper at $0.50 / $3 per million input/output tokens, against $1.87 / $4.68 for Inkling.
- Seed 2.0 Pro accepts more context: 256K tokens versus 66K.
- Inkling has downloadable open weights; the other is API-only.
Side by side
| Seed 2.0 Pro | Inkling | |
|---|---|---|
| Provider | ByteDance Seed | Thinking Machines Lab |
| Noometry Index | 43.2 | 44.1 |
| Released | 2026-02-14 | 2026-07-15 |
| Weights | Proprietary | Open |
| Context window | 256K | 66K |
| Max output | 128K | 66K |
| Input $ / M tokens | $0.50 | $1.87 |
| Output $ / M tokens | $3 | $4.68 |
| Results tracked | 20 | 41 |
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Category by category
Coding Seed 2.0 Pro leads
Seed 2.0 Pro: 43.5 (#86), Inkling: 34.5 (#234)
| Benchmark | Seed 2.0 Pro | Inkling |
|---|---|---|
| LMArena Coding | 1472 | 1464 |
| FrontierCode | — | 14% |
| LMArena WebDev | — | 1413 |
| FrontierSWE | — | 4.1% |
| SciCode | — | 47% |
| WeirdML | — | 32.3% |
| ALE-Bench | — | 946 |
Agentic & Tool Use Not comparable
Seed 2.0 Pro: —, Inkling: 29.6 (#85)
| Benchmark | Seed 2.0 Pro | Inkling |
|---|---|---|
| APEX-Agents | — | 33.8% |
| τ²-bench Banking | — | 25% |
Reasoning Inkling leads
Seed 2.0 Pro: 24.1 (#165), Inkling: 40.4 (#56)
| Benchmark | Seed 2.0 Pro | Inkling |
|---|---|---|
| LMArena Hard Prompts | 1453 | 1451 |
| ARC-AGI-2 | — | 36.5% |
| SimpleBench | — | 50% |
| NYT Connections (extended) | 28.4% | — |
| ARC-AGI-1 | — | 79.5% |
| CritPt | — | 5.4% |
| Chess Puzzles | — | 21% |
| Thematic Generalization | 57.1% | — |
| DTBench | — | 87.5% |
| LMCA | — | 37.6% |
| Epoch Capabilities Index | — | 148.54 |
Math Seed 2.0 Pro leads
Seed 2.0 Pro: 39.3 (#108), Inkling: 31.3 (#225)
| Benchmark | Seed 2.0 Pro | Inkling |
|---|---|---|
| LMArena Math | 1439 | 1479 |
| FrontierMath (Tiers 1-3) | — | 33.3% |
| FrontierMath Tier 4 | — | 4.9% |
| OTIS Mock AIME 2024-2025 | — | 88.9% |
| ProofBench | — | 0% |
Knowledge Inkling leads
Seed 2.0 Pro: 40.2 (#122), Inkling: 55.1 (#49)
| Benchmark | Seed 2.0 Pro | Inkling |
|---|---|---|
| LMArena Expert | 1440 | 1465 |
| GPQA Diamond | — | 88.3% |
| SimpleQA Verified | — | 40.3% |
Multimodal Not comparable
Seed 2.0 Pro: 41.5 (#35), Inkling: —
| Benchmark | Seed 2.0 Pro | Inkling |
|---|---|---|
| LMArena Vision | 1274 | — |
Multilingual Too close to call
Seed 2.0 Pro: 54.5 (#39), Inkling: 54.0 (#52)
| Benchmark | Seed 2.0 Pro | Inkling |
|---|---|---|
| LMArena Non-English | 1441 | 1434 |
| LMArena Chinese | 1489 | 1490 |
| LMArena French | 1471 | 1458 |
| LMArena German | 1442 | 1446 |
| LMArena Japanese | 1408 | 1429 |
| LMArena Korean | 1411 | 1404 |
| LMArena Russian | 1449 | 1429 |
| LMArena Spanish | 1460 | 1448 |
Instruction Following Too close to call
Seed 2.0 Pro: 74.5 (#91), Inkling: 75.1 (#71)
| Benchmark | Seed 2.0 Pro | Inkling |
|---|---|---|
| LMArena Instruction Following | 1414 | 1426 |
Long Context Too close to call
Seed 2.0 Pro: 43.6 (#90), Inkling: 43.8 (#86)
| Benchmark | Seed 2.0 Pro | Inkling |
|---|---|---|
| LMArena Longer Query | 1428 | 1434 |
Writing & Preference Inkling leads
Seed 2.0 Pro: 62.9 (#69), Inkling: 65.2 (#51)
| Benchmark | Seed 2.0 Pro | Inkling |
|---|---|---|
| LMArena Text | 1448 | 1441 |
| LMArena Creative Writing | 1406 | 1387 |
| LMArena Multi-Turn | 1441 | 1436 |
| EQ-Bench Creative Writing | — | 1611 |
| EQ-Bench 4 | — | 1226 |
Frequently asked questions
Is Seed 2.0 Pro better than Inkling?
Seed 2.0 Pro and Inkling score almost the same on the Noometry Index (43.2 vs 44.1), so choose on price, context window or the category you care about most.
Which is cheaper, Seed 2.0 Pro or Inkling?
Seed 2.0 Pro is cheaper. It lists at $0.50 per million input tokens and $3 per million output tokens; Inkling lists at $1.87 and $4.68.
Is Seed 2.0 Pro or Inkling better for coding?
Seed 2.0 Pro scores higher on coding benchmarks: 43.5 versus 34.5 in the Noometry coding category.
Which has the bigger context window?
Seed 2.0 Pro does, with 256K tokens against 66K.
How many benchmarks do Seed 2.0 Pro and Inkling share?
17 benchmarks have published results for both models. Seed 2.0 Pro has 20 scored results on Noometry and Inkling has 41.