Trinity Mini vs Trinity Large Preview vs Seed 1.6 Flash
Seed 1.6 Flash comes out ahead, 56 to 34 and 31 on our weighted score.
Arcee AITrinity Mini
31/100- ECI—
- Price$0.045 / $0.15
- Context131K
- Arcee AI
Trinity Large Preview
34/100- ECI—
- Price—
- Context524K
- Our pick
ByteDance SeedSeed 1.6 Flash
56/100- ECI—
- Price$0.022 / $0.223
- Context256K
Seed 1.6 Flash is our pick
Seed 1.6 Flash is the better all-round choice, scoring 56/100 against Trinity Large Preview (34) and Trinity Mini (31). It leads on inputs & features. Trinity Large Preview wins on context window. The score weighs inputs & features 60%, context window 40%. None of the shared benchmarks cover every model here yet, so capability is left out of this verdict.
- CapabilityNot enough dataNo independent benchmark covers every model here yet
- Lowest priceTrinity MiniTrinity Mini $0.071 · Seed 1.6 Flash $0.072 per 1M tokens (3:1 blend) · Trinity Large Preview unpriced
- Longest contextTrinity Large PreviewTrinity Large Preview 524,288 · Seed 1.6 Flash 256,000 · Trinity Mini 131,072 tokens
- Widest inputsSeed 1.6 FlashTrinity Mini: Text · Trinity Large Preview: Text · Seed 1.6 Flash: Text, Images
- Self-hostingTrinity Mini and Trinity Large PreviewPublishes downloadable weights (OpenMDW-1.1)
| Measure | Weight | Trinity Mini | Trinity Large Preview | Seed 1.6 Flash |
|---|---|---|---|---|
| Inputs & features | 60% | 35 | 25 | 70 |
| Context window | 40% | 24 | 49 | 36 |
| Overall | 100% | 31/100 | 34/100 | 56/100 |
Left out because at least one model lacks the data: capability and price. The remaining weights were rescaled.
Every spec in one table
Highlighted cells lead their row. Dashes mean the data is not published.
| Specification | Trinity MiniArcee AI | Trinity Large PreviewArcee AI | Seed 1.6 FlashByteDance Seed |
|---|---|---|---|
| Capability | |||
| Capabilities Index (ECI) | — | — | — |
| ECI rank | — | — | — |
| Price per million tokens | |||
| Input | $0.045 | — | $0.022 (best) |
| Output | $0.15 (best) | — | $0.223 |
| Cached input | — | — | $0.0044 |
| Blended (3:1) | $0.071 (best) | — | $0.072 |
| Long-context rate | Same rate | — | Over 32K: $0.045 / $0.445 |
| Price source | Median of 1 providers | — | Official Volcengine Ark API |
| Limits | |||
| Context window | 131,072 tokens | 524,288 tokens (best) | 256,000 tokens |
| Max output | 131,072 tokens | 262,144 tokens (best) | 32,000 tokens |
| Inputs and features | |||
| Text | Yes | Yes | Yes |
| Images | No | No | Yes |
| PDFs | No | No | No |
| Audio | No | No | No |
| Video | No | No | No |
| Reasoning | Yes | No | Yes |
| Tool calling | Yes | Yes | Yes |
| Structured output | No | No | Yes |
| Availability | |||
| Weights | OpenOpenMDW-1.1 | OpenOpenMDW-1.1 | Proprietary |
| API model ID | — | — | doubao-seed-1-6-flash-250828 |
| API providers | 1 | 1 | 2 (best) |
| Released | Dec 1, 2025 | Jan 27, 2026 | Aug 28, 2025 |
| Knowledge cutoff | — | — | — |
What would a month cost?
Enter your expected volume in millions of tokens. List prices only; caching and batch discounts would lower these.
- Trinity Mini$0.75
- Trinity Large Preview—
- Seed 1.6 Flash$0.668
Which should you choose?
Which is better: Trinity Mini, Trinity Large Preview or Seed 1.6 Flash?
Seed 1.6 Flash is the better all-round choice, scoring 56/100 against Trinity Large Preview (34) and Trinity Mini (31). It leads on inputs & features. Trinity Large Preview wins on context window. The score weighs inputs & features 60%, context window 40%. None of the shared benchmarks cover every model here yet, so capability is left out of this verdict.
Which is cheaper, Trinity Mini, Trinity Large Preview or Seed 1.6 Flash?
Trinity Mini is cheaper at $0.045 input / $0.15 output per million tokens (median across 1 API provider). Seed 1.6 Flash costs $0.022 input / $0.223 output per million tokens (official Volcengine Ark API price). At a typical mix of three input tokens to one output token, that is $0.071 per million tokens for Trinity Mini versus $0.072 for Seed 1.6 Flash (1× as much). Trinity Large Preview has no published per-token price.
Which scores higher on benchmarks?
There is no independent benchmark that covers all three models yet. Trinity Mini has not been scored yet, Trinity Large Preview has not been scored yet and Seed 1.6 Flash has not been scored yet.
Which is better for coding?
There are no published SWE-bench Verified results for Trinity Mini, Trinity Large Preview and Seed 1.6 Flash yet, so there is no like-for-like coding score. Test both on a sample of your own tasks. All three support tool calling for agent workflows.
Which has the bigger context window?
Trinity Large Preview has the largest context window at 524,288 tokens, against 256,000 for Seed 1.6 Flash and 131,072 for Trinity Mini. Maximum output per response: Trinity Mini up to 131,072, Trinity Large Preview up to 262,144, Seed 1.6 Flash up to 32,000 tokens.
Which can read images, PDFs, audio or video?
Trinity Mini accepts text; Trinity Large Preview accepts text; Seed 1.6 Flash accepts text and images. Seed 1.6 Flash handles the widest range of inputs.
Are any of these open source?
Trinity Mini and Trinity Large Preview publishes its weights (OpenMDW-1.1) and can be self-hosted; Seed 1.6 Flash is proprietary.
Which is newer?
Trinity Large Preview is the newest, released Jan 27, 2026. Trinity Mini came out Dec 1, 2025; Seed 1.6 Flash came out Aug 28, 2025.
How do you decide the winner?
Each model gets a 0–100 score on capability (50%, independent benchmark results); price (25%, blended price per million tokens (3 input : 1 output), log scale); inputs & features (15%, image, PDF, audio and video input, tool calling, structured output and reasoning); context window (10%, maximum tokens per request, log scale). Dimensions missing for any model are dropped and the remaining weights rescaled, so every model is judged on the same evidence. Specs and prices come from public model listings and the labs’ own API pages; capability scores come from independent benchmark runs. Data updated Oct 4, 2026.
