GPT-5.5 API (gpt-5.5 / gpt-5.5-pro): model ids, per-million-token pricing, context limits, streaming, tool calling and OpenAI-compatible base URL examples.
DeepSeek 4 API (deepseek-v4-flash / deepseek-v4-pro): model ids, per-million-token pricing, cached-input rates, context limits and OpenAI-compatible API examples.
Claude Opus 5 API (claude-opus-5): model id, per-million-token pricing, cache write and cache read rates, streaming and Anthropic-style requests through an OpenAI-compatible gateway.
AI API pricing comparison: per-image, per-second and per-million-token costs for image2.5, Nano Banana 2/Pro, Grok Image, Seedance, GPT-5.5, Claude Opus 5 and DeepSeek, refreshed daily from the public pricing payload.
DeepSeek 4 API pricing: per-million-token input, cached input and output rates for deepseek-v4-pro and deepseek-v4-flash with worked cost examples for real workloads.
To associate your repository with the llm-api-pricing topic, visit your repo's landing page and select "manage topics."