APIs that make your agents better
Built for long-running agents. Route to the model that performs best, cut token consumption, catch agents when they underperform, and optimize inference costs end-to-end.
Join DiscordEmpower your Claude agent
Works best with agents and AI coding tools
Takes 2 minutes or one prompt to set up.
Better performance, lower spend, for agents that run for hours. Use Anthropic / OpenAI by default — or route to alternative models at equivalent quality.
Talk to us →Under the hood
We optimize at all levels
Inference API handles routing, compression, and model selection.
Full token grid arrives - data, prompt and context.
We reduce input token volume by removing low-signal and redundant units.
When feasible, we cherry-pick only the most salient pieces.
Smart router sends bundle to the best model the grader recommends.
Response compressed too.
Running a custom pipeline? Share your setup and we'll figure out what fits.
contact@downsizing.dev →From engineers
Loved by our customers
“We switched our agentic pipelines to Downsizing and started seeing savings right away.”
Paula
Staff Engineer · Samsung
“Went from $8k/month on Claude Code to $5k. Didn't change a single prompt.”
Aleh
Senior Software Engineer · Nvidia
“Extends my Claude Code subscription at least by 2x on the free version. Love it.”
Darshan
Senior Software Engineer · Google
“Downsizing replaced multiple plugins with better outcomes, 2 minutes to set up.”
Anton
Senior Software Engineer · Revolut
Try it out. Install the CLI and connect coding tools or agents in seconds.
CLI quickstart →Controls
Full control in real-time
Tune compression, routing, and attention for each workload — from a single config.
Input compression
Redundancy stripped from context before it reaches the model.
Output compression
Models instructed to be concise and eliminate scaffolding.
Smart routing
Match each request to the cheapest capable model.
Focused attention
Steers the model to attend only to the task-critical parts of context.
Adjust the controls above to configure your proxy — then sign up to save.
Analytics
Track savings in real-time
Actual Claude agentic sessions
Input tokens
3.5B
received
Input saved
1.44B
of 3.5B total
Requests
14,077
total
Output tokens
284M
received
Output saved
99.4M
of 284M total
Routed
8,602
61% of total
Input tokens by model
| Model | Requests | Tokens in | Saved |
|---|---|---|---|
| Sonnet | 8,241 | 2.1B | 891M |
| Opus | 1,034 | 412M | 176M |
| Haiku | 4,802 | 980M | 372M |
Recent requests
| Model | Saved | When |
|---|---|---|
| Sonnet | +18,432 | 2m ago |
| Haiku | +4,211 | 4m ago |
| Sonnet | +34,209 | 7m ago |
| Haiku | +2,847 | 11m ago |
Benchmarked
Compression improves quality
In large contexts, it often improves it.
Claude Fable 5
Baseline
95%
Compressed
96.2%
Delta
+1.2%
Claude Opus 4.8
Baseline
88.6%
Compressed
89.9%
Delta
+1.3%
Claude Sonnet 5
Baseline
85.2%
Compressed
86.9%
Delta
+1.7%
Claude Haiku 4.5
Baseline
73.3%
Compressed
74.7%
Delta
+1.4%
GPT-5.6 Luna
Baseline
62.7%
Compressed
63.9%
Delta
+1.2%
GPT-5.6 Terra
Baseline
63.4%
Compressed
65.1%
Delta
+1.7%
GPT-5.6 Sol
Baseline
64.6%
Compressed
65.8%
Delta
+1.2%
*OpenAI has not published a SWE-bench Verified score for GPT-5.6. These baselines are OpenAI's official SWE-Bench Pro figures — a different, harder benchmark, not directly comparable to the SWE-bench Verified scores above.
Integrations
Works with SDKs, Claude Code, Codex and many others
No code changes, only configuration changes in your existing tools or workflows.
Coding & agentic tools
We silently compress redundant context so you can code longer and spend significantly less.
Personal AI Assistants
We prune stale context and use cheaper models for simple tasks so your agents run longer for less.
Claude Code
Official CLI for agentic coding
LiveCodex
OpenAI's terminal coding agent with custom endpoint support
LiveJunie
JetBrains AI coding agent for terminal and IDE
LiveHermes
Evolving AI agent with persistent memory
SoonAmp
Agentic coding tool from Sourcegraph with custom provider support
LiveCline
VS Code extension for code generation & file ops
LiveCrush
Terminal-based AI tool with CLI and TUI interfaces
LiveDroid
Enterprise terminal agent for end-to-end workflows
LiveEigent
Desktop multi-agent for browser automation
LiveGemini CLI
Google's terminal coding agent
LiveGoose
AI agent for local execution & engineering tasks
LiveOpenHands
Open-source autonomous coding agent platform
LivePi
Minimal terminal coding harness with unified LLM API
SoonWarp
AI-native terminal with Agent Mode and custom model routers
Using a tool not listed? Let us know — we can support it.
With routing and compression enabled
The same as using Anthropic and OpenAI models at discounted prices
| Model | Input / 1M tok | Output / 1M tok |
|---|---|---|
| Anthropic | ||
Claude Fable 5 Mythos-class, most capable publicly available | $10$7.14 | $50$38.46 |
Claude Opus 4.8 Most intelligent, for agents & coding | $5$3.57 | $25$19.23 |
Claude Sonnet 5 Balance of intelligence, cost & speed | $3$2.14 | $15$11.54 |
Claude Haiku 4.5 Fastest, most compact Anthropic model | $0.8$0.72 | $4$3.60 |
| OpenAI | ||
GPT-5.6 Luna Frontier model for complex reasoning | $5$3.57 | $20$15.38 |
GPT-5.6 Terra Affordable model for coding & work | $2.50$1.79 | $15$11.54 |
GPT-5.6 Sol Strongest mini for coding & sub-agents | $0.15$0.135 | $0.6$0.54 |
| Downsizing | ||
Universe Maximum capability, multimodal & deep reasoning | $1 | $4 |
Galaxy Balanced intelligence, optimized for agentic workloads | $0.5 | $2 |
Star Lightning-fast, ultra-low cost | $0.25 | $1 |
*These figures represent typical compression gains observed across diverse applications and agents.