> ## Documentation Index > Fetch the complete documentation index at: https://platform.monica.im/docs/llms.txt > Use this file to discover all available pages before exploring further. # Models and pricing ## Chat The chat models charge based on input and output tokens. Different models have different costs.
Token calculation rules vary by model. Please rely on the `usage` field in the response. | Model Name | Model key | Pricing | | ------------------------------------------- | --------------------------------------------------------------------------------------------- | ----------------------------------------------------------------- | | **GPT-5.3 Codex** | `gpt-5.3-codex` | **\$1.75** / 1M input tokens
**\$14.00** / 1M output tokens | | **gpt-5** | `gpt-5` | **\$1.25** / 1M input tokens
**\$10.00** / 1M output tokens | | **gpt-4.1** | `gpt-4.1` | **\$2.00** / 1M input tokens
**\$8.00** / 1M output tokens | | **gpt-4.1-mini** | `gpt-4.1-mini` | **\$0.40** / 1M input tokens
**\$1.60** / 1M output tokens | | **gpt-4.1-nano** | `gpt-4.1-nano` | **\$0.10** / 1M input tokens
**\$0.40** / 1M output tokens | | **gpt-4o** | `gpt-4o`
`gpt-4o-2024-11-20` | **\$2.50** / 1M input tokens
**\$10.00** / 1M output tokens | | **gpt-4o-mini** | `gpt-4o-mini`
`gpt-4o-mini-2024-07-18` | **\$0.15** / 1M input tokens
**\$0.60** / 1M output tokens | | **o4-mini** | `o4-mini` | **\$0.55** / 1M input tokens
**\$2.20** / 1M output tokens | | **o3** | `o3` | **\$2.00** / 1M input tokens
**\$8.00** / 1M output tokens | | **Claude Opus 4.6** | `claude-opus-4-6` | **\$5.00** / 1M input tokens
**\$25.00** / 1M output tokens | | **Claude Opus 4** | `claude-opus-4-20250514`
`claude-opus-4-20250514-thinking` | **\$15.00** / 1M input tokens
**\$75.00** / 1M output tokens | | **Claude Sonnet 4.6** | `claude-sonnet-4-6` | **\$3.00** / 1M input tokens
**\$15.00** / 1M output tokens | | **Claude Sonnet 4** | `claude-4-sonnet`
`claude-sonnet-4-20250514`
`claude-sonnet-4-20250514-thinking` | **\$3.00** / 1M input tokens
**\$15.00** / 1M output tokens | | **Claude Sonnet 3.7** | `claude-3-7-sonnet-latest` | **\$3.00** / 1M input tokens
**\$15.00** / 1M output tokens | | **Claude Sonnet 3.5 v2** | `claude-3-5-sonnet-20241022`
`claude-3-5-sonnet-latest` | **\$3.00** / 1M input tokens
**\$15.00** / 1M output tokens | | **Claude Sonnet 3.5** | `claude-3-5-sonnet-20240620` | **\$3.00** / 1M input tokens
**\$15.00** / 1M output tokens | | **Claude Haiku 4.5** | `claude-haiku-4-5` | **\$1.00** / 1M input tokens
**\$5.00** / 1M output tokens | | **Claude Haiku 3.5** | `claude-3-5-haiku-latest`
`claude-3-5-haiku-20241022` | **\$0.80** / 1M input tokens
**\$4.00** / 1M output tokens | | **Claude Opus 3** | `claude-3-opus-20240229` | **\$15.00** / 1M input tokens
**\$75.00** / 1M output tokens | | **Claude Haiku 3** | `claude-3-haiku-20240307`
`claude-3-haiku` | **\$0.25** / 1M input tokens
**\$1.25** / 1M output tokens | | **Gemini 3 Flash** | `gemini-3-flash-preview` | **\$0.50** / 1M input tokens
**\$3.00** / 1M output tokens | | **Gemini 2.5 Pro** | `gemini-2.5-pro` | **\$1.25** / 1M input tokens
**\$10.00** / 1M output tokens | | **Gemini 2.5 Flash-Lite** | `gemini-2.5-flash-lite` | **\$0.10** / 1M input tokens
**\$0.40** / 1M output tokens | | **Gemini 2.5 Flash** | `gemini-2.5-flash` | **\$0.30** / 1M input tokens
**\$2.50** / 1M output tokens | | **Gemini 2.0 Flash** | `gemini-2.0-flash-001`
`gemini-2.0-flash-thinking-exp-01-21`
`gemini-2.0-flash-exp` | **\$0.10** / 1M input tokens
**\$0.40** / 1M output tokens | | **Gemini 1.5 Pro** | `gemini-1.5-pro-002`
`gemini-1.5-pro-preview-0409`
`gemini-1.5-pro` | **\$1.25** / 1M input tokens
**\$5.00** / 1M output tokens | | **Gemini 1.5 Flash** | `gemini-1.5-flash`
`gemini-1.5-flash-002`
`gemini-1.5-flash-001` | **\$0.075** / 1M input tokens
**\$0.30** / 1M output tokens | | **xAI: Grok 3 Beta** | `x-ai/grok-3-beta` | **\$3.00** / 1M input tokens
**\$15.00** / 1M output tokens | | **xAI: Grok Beta** | `x-ai/grok-beta` | **\$5.00** / 1M input tokens
**\$15.00** / 1M output tokens | | **Meta: Llama 3 8B Instruct** | `meta-llama/llama-3-8b-instruct` | **\$0.28** / 1M input tokens
**\$0.83** / 1M output tokens | | **Meta: Llama 3.1 8B Instruct** | `meta-llama/llama-3.1-8b-instruct` | **\$0.025** / 1M input tokens
**\$0.06** / 1M output tokens | | **Meta: Llama 3.3 70B Instruct** | `llama-3.3-70b-instruct` | **\$0.13** / 1M input tokens
**\$0.40** / 1M output tokens | | **NVIDIA: Llama 3.1 Nemotron 70B Instruct** | `nvidia/llama-3.1-nemotron-70b-instruct` | **\$1.00** / 1M input tokens
**\$1.00** / 1M output tokens | | **Meta: Llama 3 70B Instruct** | `meta-llama/llama-3-70b-instruct` | **\$0.88** / 1M input tokens
**\$0.88** / 1M output tokens | | **Meta: Llama 3.1 405B Instruct** | `meta-llama/llama-3.1-405b-instruct`
`llama-3.1-405b-instruct` | **\$4.00** / 1M input tokens
**\$4.00** / 1M output tokens | | **Mistral: Mistral 7B Instruct** | `mistralai/mistral-7b-instruct` | **\$0.20** / 1M input tokens
**\$0.20** / 1M output tokens | ## Image generation Different image generation models have varying pricing methods. See the table below for details: | Model | Pricing | | ------------------------------ | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ | | **Stable Diffusion XL 1.0** | **\$0.005** / image | | **Stable Diffusion 3 Large** | **\$0.035** / image | | **Stable Diffusion 3.5 Large** | **\$0.065** / image | | **Flux Schnell 1.0** | **\$0.003** / image | | **Flux Dev 1.0** | **\$0.025** / image | | **Flux Pro 1.0** | **\$0.055** / image | | **DALL·E 3** | **\$0.040** / image (Standard, 1024×1024)
**\$0.080** / image (Standard, 1024×1792, 1792×1024)
**\$0.080** / image (HD, 1024×1792)
**\$0.120** / image (HD, 1024×1792, 1792×1024) | | **Playground V2.5** | **\$0.0039** / image | | **Ideogram V2** | **\$0.08** / image | ## Image tools | API | Pricing | | ------------------------- | ------------------- | | `/v1/image/upscale` | **\$0.004** / image | | `/v1/image/remove-object` | **\$0.004** / image |