Vivgrid · Released Sep 21, 2026Viv Fast
Fast coding model.
- Capability
- —No ECI score yet
- Input
- $0.13per 1M tokens
- Output
- $0.40per 1M tokens
- Context
- 1M256K max output
What it costs
- Input
- $0.13per million tokens
- Output
- $0.40per million tokens
- Cached input
- $0.05per million tokens
- Blended (3:1)
- $0.198cheaper than 79% of priced models
Typical monthly bills
| Monthly usage | Estimated cost |
|---|---|
| Side project2M input + 0.5M output tokens | $0.46 |
| Team assistant25M input + 5M output tokens | $5.25 |
| Production app250M input + 50M output tokens | $52.50 |
Official Vivgrid API price, as listed on models.dev.
Independent benchmarks
Epoch AI has not published a Capabilities Index score for Viv Fast yet.
The details
- Lab
- Vivgrid
- Released
- Sep 21, 2026
- Knowledge cutoff
- Sep 2026
- Context window
- 1,000,000 tokens
- Max output
- 256,000 tokens
- Inputs
- Text, Images
- Output
- Text
- Reasoning
- Adjustable effort low · high · max
- Tool calling
- Yes
- Structured output
- Yes
- Weights
- Proprietary
- API model ID
viv-faston Vivgrid- Availability
- 1 API providerlisted on models.dev
About Viv Fast
How much does Viv Fast cost?
Viv Fast costs $0.13 input / $0.40 output per million tokens (official Vivgrid API price). Cached input is $0.05 per million tokens. At a 3:1 input-to-output mix that is $0.198 per million tokens, cheaper than 79% of the 360 priced models we track.
What is the context window of Viv Fast?
Viv Fast accepts up to 1,000,000 tokens per request and can write up to 256,000 tokens in one response.
How good is Viv Fast?
Epoch AI has not published a Capabilities Index score for Viv Fast yet.
Is Viv Fast open source?
No. Viv Fast is proprietary; you use it through Vivgrid’s API or partner platforms.
What inputs does Viv Fast support?
Viv Fast accepts text and images and replies in text. It is a reasoning model with low, high and max effort settings, supports tool calling and can return structured JSON output.
When was Viv Fast released?
Vivgrid released Viv Fast on Sep 21, 2026. Its training data runs to Sep 2026.
What are the best alternatives to Viv Fast?
The closest current models from other labs on capability, price and release date are MiMo-V2.6-Flash (Xiaomi, $0.14 / $0.28), Qwen3.8 Omni Flash (Alibaba (Qwen), $0.15 / $0.47), MiniCPM5-2B (OpenBMB, $0.124 / $0.743) and Hy3 (Tencent, $0.132 / $0.53).