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Space Bunny Alpha

stealth·stealth/space-bunny-alpha·GA·Closed·alpha series·NEW
Space Bunny Alpha is an anonymous stealth preview model for coding and multimodal tasks. It accepts text, images, and video, supports tool calling and structured output, and always reasons with adjustable effort across a 1M-token context window.

Space Bunny Alpha by stealth is offered by 3 providers on this page. Public prices are shown for 1 of them. Its reference price is $0.05 per 1M input tokens and $0.15 per 1M output tokens. It also has 2 free ($0) channels; free tiers usually carry rate limits, and subscription-covered access bills $0 per token only after the subscription fee.

The context window is 1,000,000 tokens, with an output limit of 524,288 tokens. It supports reasoning and tool use. Accepted input modalities are Text, Image, and Video.

Specs & pricing

Input / output per 1M tokens
Reference price·NanoGPT
$0.05 / $0.15
Blended $0.075 · Cache read —
Lowest paid·NanoGPTGateway
$0.05 / $0.15
Blended $0.075
2 more $0 channels
Context
1,000,000
Output limit
524,288
Knowledge cutoff
—
Released / updated
2026-09-23 / 2026-09-23
Capabilities
✓ Reasoning✓ Tool useStructured output✓ Temperature✓ Attachments
Modalities
TextImageVideo

Available at 3 providers1 with public prices · 2 free

ProviderTierInputOutputCache readCache writeContextOutput limitStatus
Kilo GatewayGatewayFree——1,000,000524,288
OpenRouterGatewayFree——1,000,000524,288
NanoGPTGateway$0.05$0.15——1,000,000524,288

Sorted by blended price (input×0.75 + output×0.25) asc. The official channel always shows regardless of rank. Whether a gateway's low price is actually usable can't be verified.

Reasoning control

effort = loweffort = mediumeffort = higheffort = xhigheffort = max

Your usage cost

1NanoGPT$17.50

2 more channels offer $0 (Kilo Gateway, OpenRouter); free tiers usually have rate limits and no SLA, excluded from ranking.

The cheapest paid channel is the only channel.

Price historyone sample accumulated per data sync

Input list $0.05Output list $0.15Min blended $0.075

Price history accumulates from each data sync; currently only 1 sample(s) (2026-09-24). Each future sync adds a point, and once accumulated a line is drawn here.

Related models

maMancer: Weaver (alpha)same series$0.40 / $0.75Laguna S 2.1cheaper alternative$0 / $0Nemotron 3 Ultra (free)cheaper alternative$0 / $0miAuto Routercheaper alternative$0 / $0Nemotron 3.5 Lightning (free)cheaper alternative$0 / $0
Data partly from models.dev (MIT) · NanoGPT official docs ↗