Make your code faster. Automatically.

ACTIVE PERFORMANCE OPTIMIZATION

Automatically run benchmarks in your CI, detect regressions, and get actionable insights directly in every pull request.

Trusted by fast-moving teams already using CodSpeed

Pydantic
Vercel
Anaconda
Apache Software Foundation
Astral
ByteDance
Fuel
LangChain
Prisma

Teams keep shipping features.

CodSpeed continuously brings

performanceimprovements

on top.

System architecture

The CodSpeed optimization loop

An autonomous cycle: analyze the codebase, run experiments, surface real opportunities, and open a pull request — then do it again on the next change.

The CodSpeed optimization loop: the CodSpeed Wizard agent clones the repository from GitHub, runs experiments through the Instruments measurement engine on bare-metal sandboxes, reads the performance analysis data back over the CodSpeed MCP, and iterates.
The problem

Performance work should not slow down shipping.

Most teams have more feature work than engineering time. Performance opportunities accumulate in new and existing code.

Finding, prioritizing, and implementing them manually is difficult, so valuable improvements are left behind.

Without CodSpeed
  • Performance debt piles up quietly in the backlog
  • Engineers hunt for bottlenecks between feature work
  • Old code rarely gets revisited for speed
The solution

CodSpeed changes this

It looks for opportunities continuously and brings actionable optimization work to the team.

With the optimization agent
  • Opportunities are found continuously, in the background
  • Findings arrive as ready-to-review pull requests
  • Code written months ago gets faster too
How it works

From opportunity to optimization pull request.

Step 1

Find opportunities

CodSpeed analyzes code and identifies meaningful opportunities to improve performance, including in code that already exists and in new pull requests.

Capabilities

Everything a team needs to keep shipping — faster.

Optimize new code

Every new feature is a chance to ship faster code from the start.

PR #482

Optimize parse_batch() — reduce allocations

PR #481

Add bulk export endpoint

Improve existing code

CodSpeed can uncover opportunities in code written weeks or months ago.

before
after

Reviewable pull requests

Optimization work arrives in a familiar, inspectable format.

codspeed-agent opened a pull request

perf: reduce heap allocations in request router

- for i in range(len(items)): buf.append(...)+ buf.extend(items) # avoid per-item alloc

Configurable workflow

Teams decide whether to receive pull requests or alerts.

Open pull requests automatically
Surface as alert only
Notify in Slack

Integrations

Surface opportunities where the team already works.

CodSpeed
GitHub
Slack
Two products, one goal

Measure continuously. Optimize actively.

Continuous performance testing helps teams detect regressions and protect performance. The Optimization Agent goes further: it finds and proposes performance improvements, so the codebase gets faster as the team keeps shipping.

Existing product

CodSpeed Performance Testing

Continuous benchmarking that catches regressions in every pull request, before they ship.

  • Detects slowdowns automatically
  • Protects performance you already have
  • Runs on every commit
New product

CodSpeed Optimization Agent

Actively finds and proposes performance improvements as reviewable pull requests.

  • Surfaces new opportunities continuously
  • Improves performance you don't have yet
  • Fits into your existing GitHub workflow
Complementary,notcompeting.

Supported ecosystem

Built for the languages you already ship.

CodSpeed doesn't claim universal language support — it's built and tuned for the ecosystems above.

Real optimization results, coming soon.

We're working with our first teams to document a concrete optimization example, a measured speedup, and the infrastructure savings it unlocked. This space will hold that proof once it's ready.

Customer resultMeasured speedup
Infra cost reductionDeveloper time saved

Make every release an opportunity to get faster.

See how CodSpeed can help your team turn performance opportunities into real improvements.