Last refreshed 2026-10-20. Next refresh: weekly.
Why use Span-02 on OpenRouter?
OpenRouter offers Span-02 with pay-as-you-go pricing at $0.01/1M input tokens. OpenRouter is a multi-provider LLM aggregator offering unified API access to 300+ models from all major labs and emerging providers, with automatic failover for reliability.
Setup recipe
Docs fallbackUse the provider REST API or SDKCreate a provider API keymodel: respan/span-02respan/span-02Request example
respan/span-02.Gotchas
- Use provider model ID "respan/span-02", not the LLMReference slug "span-02".
Pricing
| Type | Price (per 1M) |
|---|---|
| Input tokens | $0.01 |
| Output tokens | Free |
Capabilities
About Span-02
Span-02 is Respan's open-weight decision model, a fine-tune of Google's Gemma 4 26B-A4B with about 4B active parameters. Given text and up to four images, it returns a typed answer: a choice, yes/no/unknown, a score on a scale, or a number. It uses anytime reasoning: reasoning can be off, set to a time budget after which it returns its best decision so far, or chosen per request in auto mode. Context is 131,072 tokens per question. Weights ship in NVFP4/FP8 with Respan's own Rust/CUDA engine for one NVIDIA Blackwell GPU; Respan also serves it through OpenRouter.