> ## Documentation Index
> Fetch the complete documentation index at: https://docs.openserv.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Models

> The models available through SERV, with pricing and context windows.

These are the models available through SERV. Use any model ID below with the SERV endpoint and your OpenAI or Anthropic SDK, or try them in the [Playground](https://console.openserv.ai/playground).

Prices are per million tokens and include SERV Reasoning.

## OpenAI

| Model         | API ID          | Input   | Output  | Context |
| ------------- | --------------- | ------- | ------- | ------- |
| GPT-5.4       | `gpt-5.4`       | \$3.25  | \$20.00 | 1M      |
| GPT-5.4 Mini  | `gpt-5.4-mini`  | \$1.00  | \$6.00  | 400K    |
| GPT-5.4 Nano  | `gpt-5.4-nano`  | \$0.250 | \$1.60  | 128K    |
| GPT-5.5       | `gpt-5.5`       | \$6.50  | \$39.00 | 1M      |
| GPT-5.6 Luna  | `gpt-5.6-luna`  | \$1.30  | \$7.80  | 1M      |
| GPT-5.6 Sol   | `gpt-5.6-sol`   | \$6.50  | \$40.00 | 1M      |
| GPT-5.6 Terra | `gpt-5.6-terra` | \$3.25  | \$19.50 | 1M      |

## Anthropic

| Model             | API ID              | Input   | Output  | Context |
| ----------------- | ------------------- | ------- | ------- | ------- |
| Claude Fable 5    | `claude-fable-5`    | \$13.00 | \$65.00 | 1M      |
| Claude Haiku 4.5  | `claude-haiku-4.5`  | \$1.25  | \$6.50  | 200K    |
| Claude Opus 4.6   | `claude-opus-4.6`   | \$6.50  | \$32.50 | 200K    |
| Claude Opus 4.7   | `claude-opus-4.7`   | \$6.50  | \$32.50 | 1M      |
| Claude Opus 4.8   | `claude-opus-4.8`   | \$6.50  | \$32.50 | 1M      |
| Claude Sonnet 4.6 | `claude-sonnet-4.6` | \$4.00  | \$20.00 | 200K    |
| Claude Sonnet 5   | `claude-sonnet-5`   | \$2.60  | \$13.00 | 1M      |

## Google

| Model                  | API ID                   | Input   | Output  | Context |
| ---------------------- | ------------------------ | ------- | ------- | ------- |
| Gemini 2.5 Flash       | `gemini-2.5-flash`       | \$0.400 | \$3.50  | 1M      |
| Gemini 2.5 Flash Lite  | `gemini-2.5-flash-lite`  | \$0.100 | \$0.500 | 1M      |
| Gemini 3 Flash Preview | `gemini-3-flash-preview` | \$0.600 | \$4.00  | 1M      |
| Gemini 3.1 Pro Preview | `gemini-3.1-pro-preview` | \$2.50  | \$16.00 | 1M      |
| Gemini 3.5 Flash       | `gemini-3.5-flash`       | \$1.95  | \$12.00 | 1M      |
| Gemma 4 26B            | `gemma-4-26b-a4b-it`     | \$0.080 | \$0.430 | 8K      |
| Gemma 4 31B            | `gemma-4-31b-it`         | \$0.170 | \$0.500 | 8K      |

## xAI

| Model     | API ID      | Input  | Output | Context |
| --------- | ----------- | ------ | ------ | ------- |
| Grok 4.20 | `grok-4.20` | \$1.60 | \$3.25 | 256K    |
| Grok 4.3  | `grok-4.3`  | \$1.60 | \$3.25 | 256K    |
| Grok 4.5  | `grok-4.5`  | \$2.60 | \$7.80 | 500K    |

## Qwen

| Model               | API ID                | Input   | Output | Context |
| ------------------- | --------------------- | ------- | ------ | ------- |
| Qwen 3.7 Max        | `qwen3.7-max`         | \$1.60  | \$5.00 | 1M      |
| Qwen3.6 Flash       | `qwen3.6-flash`       | \$0.330 | \$2.00 | 262K    |
| Qwen3.6 Max Preview | `qwen3.6-max-preview` | \$1.40  | \$8.00 | 262K    |
| Qwen3.7 Plus        | `qwen3.7-plus`        | \$0.500 | \$2.10 | 1M      |

## DeepSeek

| Model             | API ID              | Input   | Output  | Context |
| ----------------- | ------------------- | ------- | ------- | ------- |
| DeepSeek V4 Flash | `deepseek-v4-flash` | \$0.180 | \$0.350 | 128K    |
| DeepSeek V4 Pro   | `deepseek-v4-pro`   | \$0.550 | \$1.10  | 128K    |

## Moonshotai

| Model          | API ID           | Input   | Output | Context |
| -------------- | ---------------- | ------- | ------ | ------- |
| Kimi K2.6      | `kimi-k2.6`      | \$0.900 | \$4.50 | 256K    |
| Kimi K2.7 Code | `kimi-k2.7-code` | \$1.00  | \$4.50 | 256K    |

## Nvidia

| Model              | API ID                       | Input   | Output  | Context |
| ------------------ | ---------------------------- | ------- | ------- | ------- |
| Nemotron 3 Ultra   | `nemotron-3-ultra-550b-a55b` | \$6.50  | \$3.25  | 262.1K  |
| OpenRouter: Fusion | `openrouter-fusion`          | \$13.00 | \$17.00 | 128K    |

## Z.ai

| Model         | API ID    | Input  | Output | Context |
| ------------- | --------- | ------ | ------ | ------- |
| Z.ai: GLM 5.2 | `glm-5.2` | \$1.90 | \$5.75 | 1M      |

## See also

* [Quickstart](./introduction) — make your first request.
* [SDK Integration](./sdk-integration) — endpoints and parameter mapping.
* [Endpoint compatibility](./api/compatibility) — which models work on which endpoint.