OpenRouter
Catalog quote- Input
- $1.25
- Output
- $10.00
- Cached input
- $0.125
GPT-5.1 is the latest frontier-grade model in the GPT-5 series, offering stronger general-purpose reasoning, improved instruction adherence, and a more natural conversational style compared to GPT-5. It uses adaptive reasoning...
Scores appear here when an evaluation matches this exact model.
Standard list rate
Catalog list rate. Plan allowances and temporary discounts are separate.
Max prompt 272000 tokens · Web search $0.01/search
Max prompt 272000 tokens · Web search $0.01/search
Max prompt 272000 tokens · Web search $0.01/search
Max prompt 272000 tokens · Web search $0.01/search
Max prompt 272000 tokens · Web search $0.01/search
Experiential Labs · Discount
Paid Pro plan required, covering the first 2,000 credits of usage each month, then list price.
Checked Source ↗
openai/gpt-5.1gpt-5.1Updated Oct 21, 2026
GPT-6.1 Sol Pro is the same underlying model as GPT-6.1 Sol, served with reasoning.mode set to pro for higher-quality responses on complex tasks. Cost note: pro mode spends far more...
GPT-6.1 Sol Pro is the same underlying model as GPT-6.1 Sol, served with reasoning.mode set to pro for higher-quality responses on complex tasks. Cost note: pro mode spends far more...
GPT-6.1 Sol is an upgrade to GPT-6 Sol from OpenAI, positioned below the flagship GPT-6 Astra in the GPT-6 series. It is suited for agentic coding, computer use, document-heavy professional...
Requires Responses API for tools; offers Ultrafast inference with US or EU data residency.