OpenAI: GPT-5.6 Sol
Frontier GPT-5.6 model for complex professional work, coding, and agentic workflows
Cheapest input
$1.50
$/MTok · models.dev
Cheapest output
$12
$/MTok
Context
1.1M
tokens
Offers
29
3 sources
Offers
Same model, different listings. First-party, router, and aggregator rows stay separate so you can see the spread instead of a single blended number. Free/$0 listings are hidden by default (1 omitted). Show free/$0 offers.
| Source | Provider | Input | Output | Cache read | Context |
|---|---|---|---|---|---|
| models.devcheapestgpt-5.6-sol | Xpersona | $1.50 | $12 | $0.15 | 372K |
| models.devgpt-5.6-sol | Routing.Run | $2.50 | $15 | $0 | 1M |
| models.devstealth/gpt-5.6-sol | Kilo Gateway | $4 | $24 | $0.4 | 1.1M |
| models.devopenai/gpt-5.6-sol | Cloudflare | $5 | $30 | $0.5 | 1.1M |
| models.devopenai/gpt-5.6-sol | CrossModel | $5 | $30 | $0.5 | 1.1M |
| models.devopenai/gpt-5.6-sol | Impossibl | $5 | $30 | $0.5 | 1.1M |
| models.devopenai/gpt-5.6-sol | Kilo Gateway | $5 | $30 | $0.5 | 1.1M |
| models.devopenai/gpt-5.6-sol | Merge Gateway | $5 | $30 | $0.5 | 1.1M |
| models.devopenai/gpt-5.6-sol | Ofox | $5 | $30 | $0.5 | 1.1M |
| models.devgpt-5.6-sol | OpenAI | $5 | $30 | $0.5 | 1.1M |
| OpenRouteropenai/gpt-5.6-sol | OpenRouter | $5 | $30 | $0.5 | 1.1M |
| models.devopenai/gpt-5.6-sol | Vercel AI Gateway | $5 | $30 | $0.5 | 1.1M |
| models.devopenai/gpt-5.6-sol | ZenMux | $5 | $30 | $0.5 | 1.1M |
| models.devgpt-5.6-sol | Abacus | $5 | $30 | $0.5 | 1M |
| models.devgpt-5.6-sol | AI-ROUTER | $5 | $30 | $0.5 | 1.1M |
| models.devgpt-5.6-sol | AIHubMix | $5 | $30 | $0.5 | 1.1M |
| models.devgpt-5.6-sol | Azure | $5 | $30 | $0.5 | 1.1M |
| models.devgpt-5.6-sol | Azure | $5 | $30 | $0.5 | 1.1M |
| models.devgpt-5.6-sol | GitHub Copilot | $5 | $30 | $0.5 | 1.1M |
| models.devgpt-5.6-sol | LLM Gateway | $5 | $30 | $0.5 | 1.1M |
| models.devgpt-5.6-sol | OpenCode Zen | $5 | $30 | $0.5 | 1.1M |
| models.devgpt-5.6-sol | Vivgrid | $5 | $30 | $0.5 | 1.1M |
| LiteLLMgpt-5.6-sol | — | $5 | $30 | $0.5 | — |
| models.devopenai.gpt-5.6-sol | Amazon Bedrock | $5.50 | $33 | $0.55 | 272K |
| LiteLLMopenai.gpt-5.6-sol | — | $5.50 | $33 | $0.55 | — |
| LiteLLMazure/eu/gpt-5.6-sol | — | $5.50 | $33 | $0.55 | — |
| LiteLLMbedrock_mantle/openai.gpt-5.6-sol | — | $5.50 | $33 | $0.55 | — |
| LiteLLMeu/gpt-5.6-sol | — | $5.50 | $33 | $0.55 | — |
| LiteLLMus/gpt-5.6-sol | — | $5.50 | $33 | $0.55 | — |
Capabilities
- Reasoning
- Tool calling
- Structured output
- Attachments
- In: text
- In: image
- In: pdf
- In: file
- Out: text
Knowledge cutoff: 2026-02-16Released: 2026-07-09Family: gpt-sol
Scores
Sparse coverage on purpose. Missing a score means we have not linked one yet, not that the model is unranked. Full boards on /benchmarks.
- Arena agent (net improvement)10.02
- Arena agent net improvement10.02
- Arena agent confirmed success8.61
- AA intelligence58.9
- AA coding77.4
- AA agentic54
Sources: Arena AI, Artificial Analysis. See /benchmarks.