Never run out of tokens. The cloud computer for Claude Code, ChatGPT and Cursor. One Brain for every agent. From the team behind Nova Launcher.
Stockholm, Sweden
Joined October 2026
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Same model. Better harness. +5 points on Terminal-Bench 2.1.
Opus 4.8 in Claude Code: 78.9%
Opus 4.8 in Nova Agent OS: 83.9%
Request access: novaagent.dev
We made Opus 4.8 perform like Fable 5.
Same model. No fine-tuning.
Terminal-Bench 2.1:
Opus 4.8 in Claude Code: 78.9%
Opus 4.8 in Nova Agent OS: 83.9%
Fable 5: 83.8%
Built together with our friends at @modal. The frontier isn't only the model anymore.
novaagentos.ai/news/how-nova…
Switch tools. Keep the thread.
Claude Code, Codex and Cursor share one Brain in Nova Agent OS. Your projects, decisions and context stay with you when you switch.
Smarter agents. Half the tokens. Never tied to one AI.
novaagent.dev
Close the laptop. Your agents keep working.
Nova Agent OS runs Claude Code, Codex and Cursor in the cloud, 24/7. Reviewer agents check the work, and at a usage limit, an open model picks up the same session.
Tools come and go. Your agents shouldn't stop.
novaagent.dev
Same model. Next-generation results.
On Terminal-Bench 2.1, Claude Opus 4.8 scores 79% on its own and 84% running on Nova. That matches the next-generation frontier model.
No fine-tuning. A shared Brain, reviewer agents and smarter model routing.
novaagent.dev
Nova Agent OS retweeted
Nova got Opus 4.8 to edge past Fable 5 on Terminal-Bench 2.1.
Modal Sandboxes let the team decouple Nova’s agent loop and automatic review from tool execution, with fast startup and changes deployed in seconds to keep iteration quick.
The result: 83.9%, up five percentage points from Opus 4.8’s Claude Code baseline and just ahead of Fable 5’s 83.8%.
We made Opus 4.8 perform like Fable 5.
Same model. No fine-tuning.
Terminal-Bench 2.1:
Opus 4.8 in Claude Code: 78.9%
Opus 4.8 in Nova Agent OS: 83.9%
Fable 5: 83.8%
Built together with our friends at @modal. The frontier isn't only the model anymore.
novaagentos.ai/news/how-nova…
Nova Agent OS retweeted
We made Opus 4.8 perform like Fable 5.
Same model. No fine-tuning.
Terminal-Bench 2.1:
Opus 4.8 in Claude Code: 78.9%
Opus 4.8 in Nova Agent OS: 83.9%
Fable 5: 83.8%
Built together with our friends at @modal. The frontier isn't only the model anymore.
novaagentos.ai/news/how-nova…