Ways to buy 4
| Way to buy | Input | Output | In / out per 1M | Cached | Vs list |
|---|---|---|---|---|---|
 OpenAI APIThe lab's own API · cached $0.5 | $2 | $8 | $2 / $8List price | $0.5 | List price |
 Azure AI FoundryDefault region · cached $0.5 | $2 | $8 | $2 / $8Same as list | $0.5 | Same as list |
| Azure AI Foundry swedencentral · cached $0.55 | $2.2 | $8.8 | $2.2 / $8.8+10% vs list | $0.55 | +10% vs list |
 Snowflake Cortex AI (AI_COMPLETE)From the platform pricing page | $2.4 | $9.6 | $2.4 / $9.6+20% vs list | n/a | +20% vs list |
USD per 1M tokens; batch $1 in, $4 out on the lab's API. Regions are separate routes.
Through a gateway
Your own numbers100M input and 20M output tokens a month: $360.00 direct.
Helicone$360.00+0%
Kong AI Gateway$360.00+0%
LiteLLM$360.00+0%
Vercel AI Gateway$360.00+0%
Cloudflare AI Gateway$378.00+5%
Requesty$378.00+5%
Eden AI$379.80+5.5%
OpenRouter$379.80+5.5%
No published token fee: Martian Gateway, Portkey, TrueFoundry AI Gateway.
Related models
| In / out per 1M | Cheapest route | ||||||
|---|---|---|---|---|---|---|---|
| GPT-6 Luna OpenAI · 1.05MCheapest: $0.1 on OpenAI (flex) | $0.1 | $0.5 | $0.1 / $0.5 | $0.2 | 1.05M | $0.1 on OpenAI (flex) | · |
| GPT-6 Luna Pro OpenAI · 1.05MCheapest: $0.1 on OpenAI (flex) | $0.1 | $0.5 | $0.1 / $0.5 | $0.2 | 1.05M | $0.1 on OpenAI (flex) | · |
| GPT-6 Sol OpenAI · 1.05MCheapest: $2 on OpenAI (flex) | $2 | $10 | $2 / $10 | $4 | 1.05M | $2 on OpenAI (flex) | · |
| GPT-6 Sol Pro OpenAI · 1.05MCheapest: $2 on OpenAI (flex) | $2 | $10 | $2 / $10 | $4 | 1.05M | $2 on OpenAI (flex) | · |
 Muse Spark 1.3Meta · 1M | $1.25 | $4.25 | $1.25 / $4.25 | $2 | 1M | Lab list price | · |
 Gemini 3.1 Pro PreviewGoogle · 1MCheapest: $2.25 on Google Vertex AI (global-flex) | $2 | $12 | $2 / $12 | $4.5 | 1M | $2.25 on Google Vertex AI (global-flex) | · |
| Muse Spark 1.1 Meta · 1M | $1.25 | $4.25 | $1.25 / $4.25 | $2 | 1M | Lab list price | · |
 Qwen3.8 Max (0902)Qwen (Alibaba) · 1M | $2 | $6 | $2 / $6 | $3 | 1M | Lab list price | · |
About GPT-4.1
GPT-4.1 is a flagship large language model optimized for advanced instruction following, real-world software engineering, and long-context reasoning.
Takes image, text, files in and returns text. First listed Apr 15, 2025. Up to 33K output tokens. Blended price $3.5 per 1M tokens at 3 input to 1 output. Model id gpt-4-1.
Price history
List price since Apr 15, 2025, from Internet Archive snapshots of the OpenRouter catalog, then daily reads.
Questions
How much does GPT-4.1 cost?
$2 per million input tokens and $8 per million output tokens, with cached input at $0.5, or $1 and $4 through the Batch API.
What is the context window of GPT-4.1?
1.05M tokens, with up to 33K tokens of output.
Where is GPT-4.1 cheapest?
Of 4 routes tracked, Azure AI Foundry is cheapest at $2 input and $8 output per million tokens.
Sources: OpenRouter's public model catalog and each provider's own pricing page, read every morning at 05:00 UTC; gateway fees re-read every Monday. List prices: your contract may differ. Logos via logo.dev; trademarks belong to their owners.