Voxtral Mini 3B 2507 vs Seed 1.6 Flash
Seed 1.6 Flash comes out ahead, 78 to 61 on our weighted score, though Voxtral Mini 3B 2507 is 45% cheaper per token.
Mistral AIVoxtral Mini 3B 2507
61/100- ECI—
- Price$0.04 / $0.04
- Context33K
- Our pick
ByteDance SeedSeed 1.6 Flash
78/100- ECI—
- Price$0.022 / $0.223
- Context256K
Add a model
Make it a three-way comparison.
Seed 1.6 Flash is our pick
Seed 1.6 Flash is the better all-round choice, scoring 78/100 against Voxtral Mini 3B 2507 (61). It leads on inputs & features and context window. The score weighs price 50%, inputs & features 30%, context window 20%. 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 priceVoxtral Mini 3B 2507Voxtral Mini 3B 2507 $0.04 · Seed 1.6 Flash $0.072 per 1M tokens (3:1 blend)
- Longest contextSeed 1.6 FlashSeed 1.6 Flash 256,000 · Voxtral Mini 3B 2507 32,768 tokens
- Widest inputsSame inputsVoxtral Mini 3B 2507: Text, Audio · Seed 1.6 Flash: Text, Images
- Self-hostingVoxtral Mini 3B 2507Publishes downloadable weights (Apache 2.0)
| Measure | Weight | Voxtral Mini 3B 2507 | Seed 1.6 Flash |
|---|---|---|---|
| Price | 50% | 100 | 100 |
| Inputs & features | 30% | 35 | 70 |
| Context window | 20% | 0 | 36 |
| Overall | 100% | 61/100 | 78/100 |
Left out because at least one model lacks the data: capability. The remaining weights were rescaled.
Every spec in one table
Highlighted cells lead their row. Dashes mean the data is not published.
| Specification | Voxtral Mini 3B 2507Mistral AI | Seed 1.6 FlashByteDance Seed |
|---|---|---|
| Capability | ||
| Capabilities Index (ECI) | — | — |
| ECI rank | — | — |
| Price per million tokens | ||
| Input | $0.04 | $0.022 (best) |
| Output | $0.04 (best) | $0.223 |
| Cached input | — | $0.0044 |
| Blended (3:1) | $0.04 (best) | $0.072 |
| Long-context rate | Same rate | Over 32K: $0.045 / $0.445 |
| Price source | Median of 2 providers | Official Volcengine Ark API |
| Limits | ||
| Context window | 32,768 tokens | 256,000 tokens (best) |
| Max output | 32,768 tokens (best) | 32,000 tokens |
| Inputs and features | ||
| Text | Yes | Yes |
| Images | No | Yes |
| PDFs | No | No |
| Audio | Yes | No |
| Video | No | No |
| Reasoning | No | Yes |
| Tool calling | Yes | Yes |
| Structured output | No | Yes |
| Availability | ||
| Weights | OpenApache 2.0 | Proprietary |
| API model ID | — | doubao-seed-1-6-flash-250828 |
| API providers | 2 | 2 |
| Released | Jul 15, 2025 | 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.
- Voxtral Mini 3B 2507$0.48
- Seed 1.6 Flash$0.668
Which should you choose?
Which is better: Voxtral Mini 3B 2507 or Seed 1.6 Flash?
Seed 1.6 Flash is the better all-round choice, scoring 78/100 against Voxtral Mini 3B 2507 (61). It leads on inputs & features and context window. The score weighs price 50%, inputs & features 30%, context window 20%. None of the shared benchmarks cover every model here yet, so capability is left out of this verdict.
Which is cheaper, Voxtral Mini 3B 2507 or Seed 1.6 Flash?
Voxtral Mini 3B 2507 is cheaper at $0.04 input / $0.04 output per million tokens (median across 2 API providers). 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 $0.04 per million tokens for Voxtral Mini 3B 2507 versus $0.072 for Seed 1.6 Flash (1.8× as much).
Which scores higher on benchmarks?
There is no independent benchmark that covers both models yet. Voxtral Mini 3B 2507 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 Voxtral Mini 3B 2507 and Seed 1.6 Flash yet, so there is no like-for-like coding score. Test both on a sample of your own tasks. Both support tool calling for agent workflows.
Which has the bigger context window?
Seed 1.6 Flash has the largest context window at 256,000 tokens, against 32,768 for Voxtral Mini 3B 2507. Maximum output per response: Voxtral Mini 3B 2507 up to 32,768, Seed 1.6 Flash up to 32,000 tokens.
Which can read images, PDFs, audio or video?
Voxtral Mini 3B 2507 accepts text and audio; Seed 1.6 Flash accepts text and images. They handle the same number of input types.
Are any of these open source?
Voxtral Mini 3B 2507 publishes its weights (Apache 2.0) and can be self-hosted; Seed 1.6 Flash is proprietary.
Which is newer?
Seed 1.6 Flash is the newest, released Aug 28, 2025. Voxtral Mini 3B 2507 came out Jul 15, 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.
