MuApi gives you a unified API to query all major Large Language Models (LLMs) in production. Send a message prompt, get back a completion response or a live stream SSE, and control parameters like reasoning depth and web search — all with credit-based pricing on a single, shared credit balance.
Every model in this category uses the same submit-then-poll API. Replace gpt-5-5 with any model endpoint from the list below.
# 1. Submit
curl -X POST https://api.muapi.ai/api/v1/gpt-5-5 \
-H "x-api-key: $MUAPI_API_KEY" \
-H "Content-Type: application/json" \
-d '{"prompt":"Explain quantum computing in simple terms."}'
# → {"request_id":"abc123","status":"processing"}
# 2. Poll until completed
curl https://api.muapi.ai/api/v1/predictions/abc123/result \
-H "x-api-key: $MUAPI_API_KEY"| Model | Provider | Cost | Best For |
|---|---|---|---|
| gemini-3-flash | — | $0.001 | Gemini 3 Flash is a fast, multimodal language model for real-time text generation. Supports text and image inputs, function calling, and Google Search grounding. Token-based pricing: $0.30/M input tokens and $1.80/M output tokens. Two endpoints: standard async (/gemini-3-flash) and live streaming (/gemini-3-flash/stream) via SSE. |
| claude-sonnet-5 | — | $0.000 | Claude Sonnet 5 is Anthropic's flagship balanced model, offering the optimal combination of cost and state-of-the-art performance for coding, complex reasoning, and multimodal analysis. Supports text and image inputs. Token-based pricing: $3.00/M input tokens, $15.00/M output tokens. Two endpoints: standard async (/claude-sonnet-5) and live streaming (/claude-sonnet-5/stream) via SSE. |
| gemini-2-5-flash | — | $0.000 | Gemini 2.5 Flash is Google's high-speed multimodal language model, optimized for rapid text generation, real-time image understanding, and high-frequency tasks. Supports text and image inputs. Token-based pricing: $0.30/M input tokens, $2.50/M output tokens. Two endpoints: standard async (/gemini-2-5-flash) and live streaming (/gemini-2-5-flash/stream) via SSE. |
| claude-sonnet-4-6 | — | — | Claude Sonnet 4.6 delivers strong reasoning, advanced coding, and native computer-use functionality. Supports text and image inputs with up to 1M token context. Token-based pricing: $1.80/M input tokens, $9.00/M output tokens. Two endpoints: standard async (/claude-sonnet-4-6) and live streaming (/claude-sonnet-4-6/stream) via SSE. |
| claude-haiku-4-5 | — | — | Claude Haiku 4.5 is Anthropic's fastest and most cost-effective model, designed for high-frequency queries, simple tasks, and near-instant response times. Supports text and image inputs. Token-based pricing: $0.60/M input tokens, $3.00/M output tokens. Two endpoints: standard async (/claude-haiku-4-5) and live streaming (/claude-haiku-4-5/stream) via SSE. |

Claude Sonnet 4.6 delivers strong reasoning, advanced coding, and native computer-use functionality. Supports text and image inputs with up to 1M token context. Token-based pricing: $1.80/M input tokens, $9.00/M output tokens. Two endpoints: standard async (/claude-sonnet-4-6) and live streaming (/claude-sonnet-4-6/stream) via SSE.

Claude Opus 4.8 is Anthropic's most capable model for complex coding, long-context reasoning, and agentic workflows. Supports text and image inputs. Token-based pricing: $3.00/M input tokens, $15.00/M output tokens. Two endpoints: standard async (/claude-opus-4-8) and live streaming (/claude-opus-4-8/stream) via SSE.

Gemini 3.1 Pro is Google's next-generation multimodal model, optimized for complex reasoning, planning, coding, and multi-turn conversation. Supports text and image inputs. Token-based pricing: $4.00/M input tokens, $24.00/M output tokens. Two endpoints: standard async (/gemini-3-1-pro) and live streaming (/gemini-3-1-pro/stream) via SSE.

Gemini 3 Pro is Google's powerful multimodal reasoning model, designed for complex problem solving, coding, and logical tasks. Supports text and image inputs. Token-based pricing: $4.00/M input tokens, $24.00/M output tokens. Two endpoints: standard async (/gemini-3-pro) and live streaming (/gemini-3-pro/stream) via SSE.

Claude Opus 4.5 is Anthropic's highly capable model for complex coding, long-context reasoning, and agentic workflows. Supports text and image inputs. Token-based pricing: $3.00/M input tokens, $15.00/M output tokens. Two endpoints: standard async (/claude-opus-4-5) and live streaming (/claude-opus-4-5/stream) via SSE.

Gemini 2.5 Flash is Google's high-speed multimodal language model, optimized for rapid text generation, real-time image understanding, and high-frequency tasks. Supports text and image inputs. Token-based pricing: $0.30/M input tokens, $2.50/M output tokens. Two endpoints: standard async (/gemini-2-5-flash) and live streaming (/gemini-2-5-flash/stream) via SSE.

Generate viral short-form video scripts for social media based on a topic and niche.

GPT-5 Nano is a lightweight, high-speed language model from the GPT-5 family designed for instant text generation. It delivers intelligent, context-aware responses for creative writing, summarization, dialogue, code generation, and automation — all at low latency and cost. Perfect for chatbots, assistants, content tools, and real-time applications that need fast, reliable text output.

Claude Opus 4.6 is Anthropic's most capable model for complex coding, long-context reasoning, and agentic workflows. Supports text and image inputs. Token-based pricing: $3.00/M input tokens, $15.00/M output tokens. Two endpoints: standard async (/claude-opus-4-6) and live streaming (/claude-opus-4-6/stream) via SSE.

OpenAI GPT Codex delivers advanced coding capabilities with scalable reasoning depth. Supports multiple model variants (gpt-5-codex through gpt-5.4-codex) and multimodal inputs. Token-based pricing: $1.25/M input tokens, $9.00/M output tokens. Two endpoints: standard async (/gpt-codex) and live streaming (/gpt-codex/stream) via SSE.

Gemini 3.5 Flash (OpenAI-compatible) is a high-speed, multimodal language model built for real-time text generation, supporting text and image inputs natively. Token-based pricing: $0.60/M input tokens and $3.60/M output tokens. Two endpoints: standard async (/gemini-3-5-flash-openai) and live streaming (/gemini-3-5-flash-openai/stream) via SSE.

GPT 5.5 is OpenAI's state-of-the-art flagship reasoning model for high-complexity problems. Supports image and file uploads, system prompts, web search capabilities, and reasoning effort control. Pricing: $2.40/M input tokens, $16.00/M output tokens.

Gemini 3.5 Flash is a high-speed, multimodal language model built for real-time text generation, supporting text and image inputs natively. Token-based pricing: $0.60/M input tokens and $3.60/M output tokens. Two endpoints: standard async (/gemini-3-5-flash) and live streaming (/gemini-3-5-flash/stream) via SSE.

Claude Opus 4.7 is Anthropic's highly capable model for complex coding, long-context reasoning, and agentic workflows. Supports text and image inputs. Token-based pricing: $3.00/M input tokens, $15.00/M output tokens. Two endpoints: standard async (/claude-opus-4-7) and live streaming (/claude-opus-4-7/stream) via SSE.

Claude Sonnet 4.5 is Anthropic's state-of-the-art model offering high intelligence, speed, and efficiency for code generation, writing, and logical analysis. Supports text and image inputs. Token-based pricing: $1.80/M input tokens, $9.00/M output tokens. Two endpoints: standard async (/claude-sonnet-4-5) and live streaming (/claude-sonnet-4-5/stream) via SSE.

Claude Haiku 4.5 is Anthropic's fastest and most cost-effective model, designed for high-frequency queries, simple tasks, and near-instant response times. Supports text and image inputs. Token-based pricing: $0.60/M input tokens, $3.00/M output tokens. Two endpoints: standard async (/claude-haiku-4-5) and live streaming (/claude-haiku-4-5/stream) via SSE.

Gemini 2.5 Pro is Google's advanced multimodal reasoning model, optimized for complex coding, logical tasks, and deep analysis. Supports text and image inputs. Token-based pricing: $1.25/M input tokens, $10.00/M output tokens. Two endpoints: standard async (/gemini-2-5-pro) and live streaming (/gemini-2-5-pro/stream) via SSE.

GPT 5.2 is a lightweight reasoning model with fast response times and deep coding capabilities. Supports image inputs, system prompts, web search capabilities, and reasoning effort control. Pricing: $1.25/M input tokens, $9.00/M output tokens.

Claude Fable 5 is the latest flagship model from Anthropic. Supports text and image inputs with advanced reasoning and creative capabilities. Token-based pricing: $8.00/M input tokens, $40.00/M output tokens. Two endpoints: standard async (/claude-fable-5) and live streaming (/claude-fable-5/stream) via SSE.

Claude Sonnet 5 is Anthropic's flagship balanced model, offering the optimal combination of cost and state-of-the-art performance for coding, complex reasoning, and multimodal analysis. Supports text and image inputs. Token-based pricing: $3.00/M input tokens, $15.00/M output tokens. Two endpoints: standard async (/claude-sonnet-5) and live streaming (/claude-sonnet-5/stream) via SSE.

Grok 4.3 is a highly capable multimodal reasoning model, supporting mixed text/image inputs, adjustable reasoning effort, and integrated web search tools. Token-based pricing: $2.50/M input tokens, $5.00/M output tokens. Two endpoints: standard async (/grok-4-3) and live streaming (/grok-4-3/stream) via SSE.

GPT 5.6 Luna is OpenAI's fast, cost-effective multimodal reasoning model. Supports mixed text and image inputs, adjustable reasoning effort, and integrated web search tools. Pricing: $2.00/M input tokens, $12.00/M output tokens.

GPT 5.6 Terra is OpenAI's balanced multimodal reasoning model for general business and analytical tasks. Supports mixed text and image inputs, adjustable reasoning effort, and integrated web search tools. Pricing: $5.00/M input tokens, $30.00/M output tokens.

GPT 5.6 Sol is OpenAI's flagship reasoning model, optimized for complex math, programming, and scientific research. Supports mixed text and image inputs, adjustable reasoning effort, and integrated web search tools. Pricing: $10.00/M input tokens, $60.00/M output tokens.

Grok 4.5 is a highly capable multimodal reasoning model, supporting mixed text/image inputs, adjustable reasoning effort, and integrated web search tools. Token-based pricing: $1.60/M input tokens, $4.80/M output tokens. Two endpoints: standard async (/grok-4-5) and live streaming (/grok-4-5/stream) via SSE.

GPT‑5 Mini is a compact yet powerful AI that converts plain text ideas into detailed, structured prompts suitable for use in text-to-image, text-to-video, and other generative AI models. It’s perfect for creators who want to quickly craft high-quality prompts without manually thinking about style, composition, and descriptive details. The model helps accelerate workflows for artists, video producers, and designers.

Gemini 3 Flash is a fast, multimodal language model for real-time text generation. Supports text and image inputs, function calling, and Google Search grounding. Token-based pricing: $0.30/M input tokens and $1.80/M output tokens. Two endpoints: standard async (/gemini-3-flash) and live streaming (/gemini-3-flash/stream) via SSE.

GPT-5.4 delivers powerful reasoning, coding, and professional knowledge work. Supports multimodal inputs (text and image) with adjustable reasoning depth. Token-based pricing: $1.25/M input tokens, $9.00/M output tokens. Two endpoints: standard async (/gpt-5-4) and live streaming (/gpt-5-4/stream) via SSE.
GPT 5.5 and Claude Opus 4.8 are the best for deep logic, complex coding, and multi-step reasoning. Gemini 3.5 Flash is highly optimized for rapid, real-time, low-latency applications. MuApi hosts all of them so you can benchmark quality vs. cost dynamically.
Yes! Every LLM model has a streaming endpoint (e.g. `POST /api/v1/{model}/stream`) that pushes Server-Sent Events (SSE) for near-instant rendering in chat bubbles.