Staxly

Flagsmith vs Anthropic API

Open-source feature flags + remote config — SaaS, private cloud, self-host
vs. API for Claude — frontier models for chat, tool use, agents, and long-context reasoning

Flagsmith websiteAnthropic website

Pricing tiers

Flagsmith

Free
$0. 50,000 API requests/mo. 1 team member. Unlimited flags. Community support.
Free
Self-hosted
$0 (OSS). Host yourself via Docker/K8s. Fair-source license (non-compete).
$0 base (usage-based)
Start-up
$40/mo. 1,000,000 API requests/mo. 3 team members. Standard support.
$40/mo
Scale-up
$200/mo. 5,000,000 API requests. 10 team members. Priority support + SLA.
$200/mo
Enterprise
Custom. Unlimited API requests, SSO, SAML, RBAC, audit logs, on-prem.
Custom
Flagsmith website

Anthropic API

Opus 4.7 — usage
Input $5 / output $25 / cache-write $6.25 / cache-read $0.50 per 1M tokens. Batch = 50% off.
Custom
Sonnet 4.6 — usage
Input $3 / output $15 / cache-write $3.75 / cache-read $0.30 per 1M tokens. Batch = 50% off.
Custom
Haiku 4.5 — usage
Input $1 / output $5 / cache-write $1.25 / cache-read $0.10 per 1M tokens. Batch = 50% off.
Custom
Anthropic website

Free-tier quotas head-to-head

Comparing free on Flagsmith vs opus-4-7 on Anthropic API.

MetricFlagsmithAnthropic API
discount batch50 % off

Features

Flagsmith · 14 features

  • A/B TestingMultivariate flag splits.
  • Audit LogFull history of flag changes.
  • Change RequestsApproval workflow for flag changes.
  • Edge APIGlobal low-latency flag eval.
  • Feature FlagsBoolean + multivariate + JSON flags.
  • Local EvaluationServer SDKs eval flags locally — no per-req API call.
  • Percentage RolloutsGradual traffic ramp.
  • Remote ConfigNon-boolean config values.
  • Role-Based AccessFine-grained permissions.
  • Scheduled FlagsTime-based flag changes.
  • SegmentsRule-based targeting.
  • Self-HostingDocker/Helm install.
  • SSO + SAMLEnterprise SSO.
  • WebhooksOutbound event streaming.

Anthropic API · 0 features

    Developer interfaces

    KindFlagsmithAnthropic API
    CLIFlagsmith CLIClaude Code CLI
    SDKflagsmith-android, flagsmith-go, flagsmith-ios, flagsmith-java, flagsmith-js (browser), flagsmith-nodejs, flagsmith-python, flagsmith-rubyGo SDK, Java SDK, Python SDK, Ruby SDK, TypeScript SDK (@anthropic-ai/sdk)
    RESTFlagsmith REST APIAWS Bedrock, Google Vertex AI, Microsoft Azure AI, REST API (Messages + Agents)
    OTHERFlagsmith Dashboard, Flagsmith Webhooks
    Staxly is an independent catalog of developer platforms. Outbound links to Flagsmith and Anthropic API are plain references to their official websites. Pricing is verified against vendor pages at publication time — reconfirm before buying.

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