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Run Claude jobs at 50% lower token rates with Anthropic Message Batches on NanoGPT.
Use the official Anthropic SDK with your NanoGPT key. Submit up to 100,000 requests for one supported Claude model, then download the results when they're ready.
https://docs.nano-gpt.com/api-reference/endpoint/batches#anthropic-message-batches
Claude Haiku 5.5 now live on NanoGPT!
https://nano-gpt.com/conversation?model=anthropic%2Fclaude-haiku-5.5
Claude Sonnet 5.5 and Thinking are on NanoGPT.
1M context, image understanding and tool use. Anthropic reports 70.6% on Terminal-Bench 4.0 (Sonnet 5: 10.3%) and 30%+ faster output than Sonnet 5.
https://nano-gpt.com/conversation?model=anthropic%2Fclaude-sonnet-5.5
https://nano-gpt.com/conversation?model=anthropic%2Fclaude-sonnet-5.5%3Athinking
Claude Opus 5.5 is now available on NanoGPT.
Anthropic's flagship model for agentic coding, computer use and long-running tasks, with a 1M-token context, image understanding, reasoning and tool calling.
Pay-as-you-go: $4 input / $20 output per million tokens. Not included in the subscription.
https://nano-gpt.com/conversation?model=anthropic%2Fclaude-opus-5.5