Model Pricing Reference
Detailed breakdown of OpenRouter pricing for every model available on Eidolon. Prices are updated regularly based on current API rates.
Scroll the tables horizontally to view all details.
User-Selectable Models
| Model | Tier | Est. $/Turn | Est. $/Month* | Context | 🧠† |
|---|---|---|---|---|---|
| Alibaba Qwen 3.5 Flash (Qwen 3.5 Flash) | Free | $0.0022 | ~$1.32 | 1M | — |
| Google Gemma 4 26B A4B (Gemma 4 26B MoE) | Free | $0.0026 | ~$1.56 | 262K | — |
| Google Gemma 4 31B (Gemma 4 31B) | Free | $0.0028 | ~$1.68 | 262K | — |
| Mistral AI Mistral Small 4 (Mistral Small 4) | Free | $0.0033 | ~$1.98 | 262K | — |
| DeepSeek Chat V3.1 (DeepSeek Chat V3.1) | Free | $0.0036 | ~$2.16 | 163K | — |
| DeepSeek Chat V3 0324 (DeepSeek Chat V3 0324) | Free | $0.0043 | ~$2.60 | 163K | — |
| DeepSeek V3.2 (DeepSeek V3.2) | Free | $0.0044 | ~$2.64 | 163K | — |
| xAI Grok 4 Fast (Grok 4 Fast) | Free | $0.0046 | ~$2.76 | 2M | 🧠 |
| xAI Grok 4.1 Fast (Grok 4.1 Fast) | Free | $0.0046 | ~$2.76 | 2M | 🧠 |
| Alibaba Qwen 3 VL (Qwen 3 VL) | Free | $0.0046 | ~$2.74 | 262K | — |
| Alibaba Qwen 3.5 35B (Qwen 3.5 35B) | Free | $0.0049 | ~$2.90 | 262K | — |
| OpenAI GPT-4.1 Mini (GPT-4.1 Mini) | Free | $0.0088 | ~$5.28 | 1M | — |
| OpenAI GPT-5 Mini (GPT-5 Mini) | Free | $0.0090 | ~$5.40 | 400K | 🧠 |
| Google Gemini 2.5 Flash (Gemini 2.5 Flash) | Free | $0.0092 | ~$5.52 | 1M | — |
| Moonshot Kimi K2 (Kimi K2) | Free | $0.0096 | ~$5.76 | 131K | — |
| Mistral AI Mistral Medium 3.1 (Mistral Medium 3.1) | Free | $0.0096 | ~$5.76 | 131K | — |
| Mistral AI Mistral Large (Mistral Large) | Free | $0.0100 | ~$6.00 | 262K | — |
| Moonshot Kimi K2.5 (Kimi K2.5) | Premium | $0.0107 | ~$6.42 | 262K | — |
| OpenAI GPT-5.4 Mini (GPT-5.4 Mini) | Premium | $0.0230 | ~$13.80 | 1M | 🧠 |
| Anthropic Claude Haiku 4.5 (Claude Haiku 4.5) | Premium | $0.0240 | ~$14.40 | 200K | — |
| OpenAI GPT-5 (GPT-5) | Premium | $0.0440 | ~$26.40 | 400K | 🧠 |
| OpenAI GPT-5.1 (GPT-5.1) | Premium | $0.0440 | ~$26.40 | 400K | 🧠 |
| Google Gemini 2.5 Pro (Gemini 2.5 Pro) | Premium | $0.0440 | ~$26.40 | 1M | 🧠 |
| OpenAI GPT-4.1 (GPT-4.1) | Premium | $0.0440 | ~$26.40 | 1M | — |
| OpenAI GPT-4o (GPT-4o) | Premium | $0.0550 | ~$33.00 | 128K | — |
| Anthropic Claude Sonnet 4.5 (Claude Sonnet 4.5) | Premium | $0.0720 | ~$43.20 | 1M | — |
| Anthropic Claude Sonnet 4.6 (Claude Sonnet 4.6) | Premium | $0.0720 | ~$43.20 | 1M | — |
| OpenAI GPT-5.4 (GPT-5.4) | Premium | $0.0760 | ~$45.60 | 1M | 🧠 |
| xAI Grok 4 (Grok 4) | Premium | $0.0840 | ~$50.40 | 256K | 🧠 |
| Anthropic Claude Opus 4.5 (Claude Opus 4.5) | Premium | $0.1200 | ~$72.00 | 200K | — |
| Anthropic Claude Opus 4.6 (Claude Opus 4.6) | Premium | $0.1200 | ~$72.00 | 1M | — |
* Estimates based on 20 messages/day, ~14k input + 2k output tokens per turn. 🧠 models include mandatory internal reasoning tokens (billed at the output rate, effort=low) which add ~500–1,500 tokens per turn to the effective billed output.
Technical Details
AdvancedFor power users who want the exact input and output rates per million tokens as reported by OpenRouter.
| Model ID | Input ($/M) | Output ($/M) |
|---|---|---|
| qwen/qwen3.5-flash-02-23 | $0.10 | $0.40 |
| google/gemma-4-26b-a4b-it | $0.13 | $0.40 |
| google/gemma-4-31b-it | $0.14 | $0.40 |
| mistralai/mistral-small-2603 | $0.15 | $0.60 |
| deepseek/deepseek-chat-v3.1 | $0.15 | $0.75 |
| qwen/qwen3.5-35b-a3b | $0.16 | $1.30 |
| deepseek/deepseek-chat-v3-0324 | $0.20 | $0.77 |
| x-ai/grok-4-fast | $0.20 | $0.50 |
| x-ai/grok-4.1-fast | $0.20 | $0.50 |
| qwen/qwen3-vl-235b-a22b-instruct | $0.20 | $0.88 |
| openai/gpt-5-mini | $0.25 | $2.00 |
| deepseek/deepseek-v3.2 | $0.26 | $0.38 |
| google/gemini-2.5-flash | $0.30 | $2.50 |
| moonshotai/kimi-k2-0905 | $0.40 | $2.00 |
| openai/gpt-4.1-mini | $0.40 | $1.60 |
| mistralai/mistral-medium-3.1 | $0.40 | $2.00 |
| moonshotai/kimi-k2.5 | $0.45 | $2.20 |
| mistralai/mistral-large-2512 | $0.50 | $1.50 |
| openai/gpt-5.4-mini | $0.75 | $4.50 |
| anthropic/claude-haiku-4.5 | $1.00 | $5.00 |
| openai/gpt-5 | $1.25 | $10.00 |
| openai/gpt-5.1 | $1.25 | $10.00 |
| google/gemini-2.5-pro | $1.25 | $10.00 |
| openai/gpt-4.1 | $2.00 | $8.00 |
| openai/gpt-5.4 | $2.50 | $15.00 |
| openai/gpt-4o | $2.50 | $10.00 |
| anthropic/claude-sonnet-4.5 | $3.00 | $15.00 |
| anthropic/claude-sonnet-4.6 | $3.00 | $15.00 |
| x-ai/grok-4 | $3.00 | $15.00 |
| anthropic/claude-opus-4.5 | $5.00 | $25.00 |
| anthropic/claude-opus-4.6 | $5.00 | $25.00 |
Tier Definitions
-
Free Tier:
Usage is fully covered by the platform using our system key. No cost to you.
-
Premium Tier:
Requires your own OpenRouter API Key. You pay OpenRouter directly for what you use.
Cost Management
- Default Model: Mistral Medium 3.1 is our current balanced default.
- Premium gate: High-cost models ($15-$25/M output) are gated to Premium only.
- BYOK Usage: Your key is only used for chat turns. Platform tasks (diaries, dreams) always use the platform key.
- Transparency: We add zero markup to OpenRouter rates.
These rates are accurate as of March 21, 2026. Model providers change pricing frequently; for the absolute latest rates, always check the OpenRouter dashboard.