providers/Anthropic
Anthropic · San Francisco, CA

Anthropic models on AIgateway — pricing, context, capabilities

Anthropic ships 8 models on AIgateway spanning text. Call any of them via the OpenAI-compatible endpoint at api.aigateway.sh/v1 with one key. Pass-through inference pricing plus a 5% platform fee at credit top-up. No per-call markups, no seat fees, no minimum.

Get your key →See pricingVisit Anthropic →
models · 8modalities · textlocation · San Francisco, CA
text

Anthropic text models

8 text models from Anthropic.

Claude Opus 4.8
★ featured
anthropic/claude-opus-4.8
Claude Opus 4.8 is Anthropic's most capable generally available model, with a step-change improvement in agentic coding over Claude Opus 4.7. It uses adaptive thinking to calibrate reasoning per task and supports a one million token context window at standard pricing.
$5.00 in · $25.00 out / 1M1,000,000 ctx
Claude Sonnet 4.6
★ featured
anthropic/claude-sonnet-4.6
Claude Sonnet 4.6 is Anthropic's latest balanced model offering strong coding, reasoning, and agentic capabilities with improved instruction following.
$3.00 in · $15.00 out / 1M200,000 ctx
Claude Haiku 4.5
★ featured
anthropic/claude-haiku-4.5
Claude Haiku 4.5 delivers similar levels of coding performance at one-third the cost and more than twice the speed of larger models.
$1.00 in · $5.00 out / 1M200,000 ctx
Claude Opus 4.5
anthropic/claude-opus-4.5
Claude Opus 4.5 brings further reasoning, coding, and agentic improvements over Opus 4.1, with stronger tool use and tighter instruction following.
$5.00 in · $25.00 out / 1M200,000 ctx
Claude Opus 4.6
anthropic/claude-opus-4.6
Claude Opus 4.6 is Anthropic's flagship language model built for complex, multi-step work in coding, financial analysis, and legal reasoning. It uses extended thinking to work through complex problems carefully and features a one million token context window.
$5.00 in · $25.00 out / 1M1,000,000 ctx
Claude Opus 4.7
anthropic/claude-opus-4.7
Claude Opus 4.7 is Anthropic's most capable generally available model, with a step-change improvement in agentic coding over Claude Opus 4.6. It uses adaptive thinking to calibrate reasoning per task and supports a one million token context window at standard pricing.
$5.00 in · $25.00 out / 1M1,000,000 ctx
Claude Sonnet 4
anthropic/claude-sonnet-4
Claude Sonnet 4 delivers superior coding and reasoning while responding more precisely to instructions, a significant upgrade over previous versions.
$3.00 in · $15.00 out / 1M200,000 ctx
Claude Sonnet 4.5
anthropic/claude-sonnet-4.5
Claude Sonnet 4.5 is the best coding model to date, with significant improvements across the entire development lifecycle.
$3.00 in · $15.00 out / 1M200,000 ctx
About Anthropic

Who they are, what they focus on

Anthropic is an AI-safety-focused lab founded in 2021. Creators of the Claude family — Claude Opus 4.7 (flagship reasoning), Claude Sonnet 4.6 (balanced workhorse), and Claude Haiku 4.5 (fast + cheap). Claude models excel at agentic coding, long-context reasoning, and tool use.

Headquartered in San Francisco, CA. Homepage: www.anthropic.com.

FAQ

Common questions about Anthropic on AIgateway

Which Anthropic models does AIgateway support?
AIgateway routes 8 Anthropic models including Claude Opus 4.8. Full catalog with pricing and context windows is in the sections above.
How do I call a Anthropic model from my code?
Point the OpenAI SDK at https://api.aigateway.sh/v1 with your AIgateway key and set model to the Anthropic slug (e.g. "anthropic/claude-opus-4.8"). Request and response shapes are identical to OpenAI.
How much do Anthropic models cost on AIgateway?
Pass-through Anthropic pricing plus a 5% platform fee applied at credit top-up, not per call. No seat fees, no minimum beyond the $5 top-up floor.
Can I bring my own Anthropic API key (BYOK)?
Yes. Attach your Anthropic key in the AIgateway dashboard. Calls to Anthropic models flip to pass-through and AIgateway waives the 5% platform fee on those calls.
Where is Anthropic based?
Anthropic is headquartered in San Francisco, CA.
Is there a free tier?
Every new account gets $5 in signup credit (no card required) spendable on a curated edge-tier shortlist. Paid Anthropic models require a $5 minimum credit top-up.
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