providers/Anthropic
Anthropic · San Francisco, CA

Anthropic models on AIgateway — pricing, context, capabilities

Anthropic ships 10 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, no seat fees, no minimum.

Get your key →See pricingVisit Anthropic →
models · 10modalities · textlocation · San Francisco, CA
text

Anthropic text models

10 text models from Anthropic.

Claude Opus 5
★ featured
anthropic/claude-opus-5
Claude Opus 5 is Anthropic's model for complex agentic coding and enterprise work, delivering intelligence close to Claude Fable 5 at half the price. 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 Fable 5
★ featured
anthropic/claude-fable-5
Claude Fable 5 is Anthropic's most capable widely released model, built for the most demanding reasoning and long-horizon agentic work. Adaptive thinking is always on, and the model supports a 1M token context window with up to 128k output tokens per request.
$10.00 in · $50.00 out / 1M1,000,000 ctx
Claude Sonnet 5
anthropic/claude-sonnet-5
Claude Sonnet 5 is Anthropic's most agentic Sonnet model yet, built for coding, tool use, reasoning, and long-horizon professional work at lower cost than Opus-class models.
$2.00 in · $10.00 out / 1M1,000,000 ctx
Claude Opus 4.8
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 Haiku 4.5
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 4.5
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
Claude Sonnet 4.6
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
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 10 Anthropic models including Claude Opus 5. 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-5"). Request and response shapes are identical to OpenAI.
How much do Anthropic models cost on AIgateway?
Pass-through Anthropic pricing. 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 adds no platform fee on those calls.
Where is Anthropic based?
Anthropic is headquartered in San Francisco, CA.
Is there free credit?
A payment method is required to call the API — adding a card is free and never charges you, and grants $1 in credit across a curated trial catalog led by GLM-5.2. The $1 expires 30 days after you add the card. Paid Anthropic models require a $5 minimum credit top-up.
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