正文
GPT-5.6 Sol is the flagship model in OpenAI's GPT-5.6 series. It is suited for complex reasoning, coding, and agentic workflows, and is particularly strong at command-line and multi-step coding tasks and long-horizon problem solving.
Modalities
In / Out Price
$2.50 / $15per 1M
Context
1M
Released
Jul 9, 2026
Knowledge Cutoff
Feb 2026
Providers
Different companies host the same model. OpenRouter routes your request to one of them based on the routing mode you pick — Balanced (price + speed), Nitro (fastest), or Exacto (highest tool-calling accuracy).
Pricing
The average price customers actually pay for this model, next to the prices providers post. Caching and discounts mean the price actually paid is often well below the listed one.
Performance
Throughput is how fast the model writes (tokens per second — higher is better). Latency is total round-trip time (lower is better). TTFT is time-to-first-token — how long before you see anything appear (lower is better).
Uptime
Uptime is the percentage of the past 3 days that at least one provider was responding to requests. Availability is the percentage of time that inference was successfully served. OpenRouter continuously monitors and uses the next-best provider when one returns an error.
Benchmarks
Scores on standardized evaluations. Higher percentages are better — and rank percentile shows where this model lands among all models on OpenRouter.
Apps
Public apps that send the most traffic to this model. Good signal for what real production workloads look like — and a hint at which use cases this model is best suited for.
Activity
Token volume and request traffic to this model over time.
Quick Start
Drop-in code to call this model. OpenRouter's API is OpenAI-compatible — most SDKs work by just swapping the base URL. The only thing that changes between models is the model slug below.
Frequently asked questions
What is GPT-5.6 Sol?
How much does GPT-5.6 Sol cost?
What is the context length of GPT-5.6 Sol?
Does GPT-5.6 Sol support tool calling and structured outputs?
What inputs and outputs does GPT-5.6 Sol support?
Which providers serve GPT-5.6 Sol?
When was GPT-5.6 Sol released?
| Provider | Input /M | Output /M | Cache read /M | Latency | Throughput | Uptime |
|---|---|---|---|---|---|---|
| $5.00$2.50 | $30.00$15.00 | $0.50$0.25 | 3.33s | 42 tps | |
 | $5.00 | $30.00 | $0.50 | 5.54s | 14 tps | |
| $5.50 | $33.00 | $0.55 | 3.38s | 65 tps | |
 | $5.50 | $33.00 | $0.55 | 5.25s | 27 tps | |
| $5.50 | $33.00 | $0.55 | 3.65s | 38 tps |
Throughput
65tok/s
P50, best across providers
Latency
3.33s
P50, best provider
100.00%
99.83%
Availability over the last 3 days
Last 72 hoursAvailability over the last 24 hours
When an error occurs in an upstream provider, we can recover by routing to another healthy provider, if your request filters allow it. You can access per-provider uptime data programmatically through the Endpoints API. Learn more about our load balancing and customization options.
