Arena Elo 1250Human-preference rating · LMArena (shown where the model is ranked)
Capabilities
7-day heat trend
−10.4%Pricing breakdown
Typical 3:1 output-to-input mix, per 1M tokens
Estimated monthly cost by workload
Market position
- Cheaper than 9% of tracked models
- Faster than 75% of tracked models
- Efficiency rank: #1008 of 1105
Best suited for
Mixed text, image, audio and document workloads that benefit from one model across modalities.
About gpt-5.1
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...
gpt-5.1 is a Multimodal model from OpenAI (US). HotON.ai tracks it at $1.25 per 1M input tokens and $10.00 per 1M output tokens, with a 400K-token context window, ~161 tokens/sec throughput and 97.2% availability. Its composite efficiency score is 87/100 at an estimated $0.008 per successful task.
Related market news
Frequently asked questions
How much does gpt-5.1 cost per 1M tokens?+
gpt-5.1 is tracked at $1.25 per 1M input tokens and $10.00 per 1M output tokens. A typical 3:1 output-to-input workload blends to roughly $7.81 per 1M tokens. Figures are illustrative demo data.
What is gpt-5.1 best for?+
Mixed text, image, audio and document workloads that benefit from one model across modalities.
How fast is gpt-5.1?+
gpt-5.1 delivers about 161 tokens/sec with 97.2% tracked availability, suitable for latency-sensitive, real-time applications.
Is gpt-5.1 cheaper than other AI models?+
Within the HotON.ai tracked set, gpt-5.1 is cheaper than 9% of models on input price and ranks #1008 of 1105 by overall efficiency.
Related models
Pricing is real (via the TestKey catalog, updated daily). Quality (Arena Elo) is real where the model is ranked on LMArena. Speed, availability and efficiency are modeled estimates.