Compare / head-to-head
Dola Seed 2.1 TurbovsStep 3.5 Flash
Dola Seed 2.1 Turbo and Step 3.5 Flash do not yet share a public benchmark, so quality cannot be compared apples-to-apples. Both offer a 256K-token context window.
Benchmarks from cited public sources; pricing from official pages; status from official provider feeds.
Shared benchmarks
0
no overlap yet
Cheaper per token
—
list price, input + output
Larger context
Tie
both 256K tokens
Provider uptime (30d)
— · —
ByteDance Seed · StepFun
Dola Seed 2.1 Turbo
ByteDance Seed · released 2026-07-13
textvisionvideo
Step 3.5 Flash
StepFun · released 2026-02-12
text
- Context
- 256K
- Max out
- —
- Input /1M
- —
- Output /1M
- —
- Cached /1M
- —
- Scores
- 18 · 5 core
Quality
Benchmark matrix
0 shared · 26 only Dola Seed 2.1 Turbo · 17 only Step 3.5 Flash| Benchmark | Dola Seed 2.1 Turbo | Step 3.5 Flash | Δ | Edge |
|---|---|---|---|---|
| Reported by both · 0 | ||||
| No public benchmark is reported for both models yet. | ||||
| Only Dola Seed 2.1 Turbo reports · 26 | ||||
| Agent Startup Bench | 54% ↗ | not reported | — | — |
| BabyVision | 62.9% ↗ | not reported | — | — |
| BeyondAIME | 88% ↗ | not reported | — | — |
| CharXiv-RQ | 82.5% ↗ | not reported | — | — |
| CharXiv-RQ (with tools) | 83.6% ↗ | not reported | — | — |
| ERQA | 71.3% ↗ | not reported | — | — |
| KINA | 46.6% ↗ | not reported | — | — |
| MathVision | 90.1% ↗ | not reported | — | — |
| MathVision (with tools) | 92.7% ↗ | not reported | — | — |
| Minerva Video Reasoning | 65.9% ↗ | not reported | — | — |
| MMLongBench 128K | 76.9% ↗ | not reported | — | — |
| MMMU-Pro | 80.1% ↗ | not reported | — | — |
| MMMU-Pro (with tools) | 82.2% ↗ | not reported | — | — |
| NL2Repo-Bench | 43.7% ↗ | not reported | — | — |
| OVOBench | 79.2% ↗ | not reported | — | — |
| SuperGPQA | 67.4% ↗ | not reported | — | — |
| SWE-Atlas | 30.6% ↗ | not reported | — | — |
| Terminal-Bench 2.1 | 67.6% ↗ | not reported | — | — |
| TOMATO | 56.8% ↗ | not reported | — | — |
| VideoMME | 89% ↗ | not reported | — | — |
| VideoSimpleQA | 71.4% ↗ | not reported | — | — |
| Workspace Bench | 54.7% ↗ | not reported | — | — |
| WorldVQA | 48.6% ↗ | not reported | — | — |
| xDailyBench | 56.4% ↗ | not reported | — | — |
| ZEROBench | 11% ↗ | not reported | — | — |
| ZEROBench (with tools) | 20% ↗ | not reported | — | — |
| Only Step 3.5 Flash reports · 17 | ||||
| SWE-bench Verified | not reported | 74.4% ↗ | — | — |
| AIME 2025 | not reported | 97.3% ↗ | — | — |
| AIME 2026 | not reported | 96.7% ↗matharena | — | — |
| LMArena Elo | not reported | 1403.7 ↗ | — | — |
| BrowseComp | not reported | 51.6% ↗ | — | — |
| BrowseComp (with context manager) | not reported | 69% ↗ | — | — |
| BrowseComp-ZH | not reported | 66.9% ↗ | — | — |
| BrowseComp-ZH (with context manager) | not reported | 73.7% ↗ | — | — |
| GAIA (no file) | not reported | 84.5% ↗ | — | — |
| HMMT 2025 (Feb/Nov average) | not reported | 96.2% ↗ | — | — |
| IMOAnswerBench | not reported | 85.4% ↗ | — | — |
| LiveCodeBench v6 | not reported | 86.4% ↗ | — | — |
| ResearchRubrics | not reported | 65.3% ↗ | — | — |
| Tau2-Bench | not reported | 88.2% ↗ | — | — |
| Terminal-Bench 2.0 | not reported | 51% ↗ | — | — |
| xbench-DeepSearch 2025.05 | not reported | 83.7% ↗ | — | — |
| xbench-DeepSearch 2025.10 | not reported | 56.3% ↗ | — | — |
Scores tagged "epoch" or "matharena" are independent runs, used only where the lab has not published its own; ⚠ marks rows MathArena flags as released after the competition. Higher is better on every row. Δ is Dola Seed 2.1 Turbo minus Step 3.5 Flash in the benchmark's own unit. "Not reported" means the lab has not published that figure; it is not a zero. ↗ opens the source.
Specs & pricing
Side by side
Official pricing pages and model cards| Spec | Dola Seed 2.1 Turbo | Step 3.5 Flash | Edge |
|---|---|---|---|
| Context window | 256K tokens | 256K tokens | Tie |
| Max output | — | — | — |
| Input price / 1M | $0.5 ↗ | — | — |
| Output price / 1M | $2.5 ↗ | — | — |
| Cached input / 1M | $0.1 ↗ | — | — |
| Input + output / 1M Lower is cheaper. List prices; batch, tool and regional fees excluded. | $3 | — | — |
| Modalities | text · vision · video | text | Dola Seed 2.1 Turbo |
| Released | 2026-07-13 | 2026-02-12 | — |
| Cited benchmark scores | 26 | 18 | — |
Reliability
Provider status
Last 60 days · refreshed daily on this page · live on /statusMore matchups
Dola Seed 2.1 Turbo vs …
Models sharing the most benchmarksMore matchups
Step 3.5 Flash vs …
Models sharing the most benchmarksBuilt by Respan
Which one wins on your data?
Public benchmarks are a starting point. Run Dola Seed 2.1 Turbo and Step 3.5 Flash on your own prompts with Respan evals, or route to either through one gateway key with automatic failover.