GPT-5.6 Cyber vs GPT-5.6 Sol
Side-by-side comparison of API pricing, specs, benchmarks, and capabilities
| Specification |
by OpenAI
|
by OpenAI
|
|---|---|---|
| Overview | ||
| Status | Current flagship | Current flagship |
| Released | Aug 7, 2026 | Jul 9, 2026 |
| Pricing per million tokens | ||
| Input | $12.50/Mtok | $5.00/Mtok |
| Output | $75.00/Mtok | $30.00/Mtok |
| Blended avg | $28.13/Mtok | $11.25/Mtok |
| Cached input | $1.25/Mtok | $0.500/Mtok |
| Price basis | OpenAI's rate card lists no long-context tier for this model — the long-context columns that Sol, Terra and Luna fill are blank for it. Cache writes bill at 1.25x the uncached input rate. | — |
| Specifications | ||
| Context window | 400K tokens | 1M tokens |
| Parameters | Proprietary | Proprietary |
| Speed (TPS) | — | — |
| Modalities | ||
| Input |
textimage
|
textimage
|
| Benchmarks sources: n/a / Vellum LLM Leaderboard | ||
| Avg benchmark score | — | 83.8 |
| Perf / dollar | — | 7.4 |
| GPQA Diamond | — | 94.6 |
| SWE-Bench Verified | — | 96.2 |
| Terminal-Bench 2.1 | — | 88.8 |
| BrowseComp | — | 92.2 |
| OSWorld-Verified | — | 62.6 |
| Humanity's Last Exam | — | 47.2 |
| ARC-AGI 2 | — | 92.5 |
| HumanEval | — | 96.2 |
| AutoBench | — | 18.1 |
| Independent composite scores each on its own scale — not part of the average above | ||
| AA Intelligence Index | — | 60.9 |
| AA Agentic Index | — | 57.8 |
| AA-Omniscience Index (−100–100) | — | 22 |
| GDPval-AA v2 | — | 1723 ELO |
| LMSYS Chatbot Arena | — | 1481.1 ELO |
| Providers | ||
| Available from |
OpenAI — $12.50/$75.00/Mtok
|
OpenAI — $5.00/$30.00/Mtok
|
Cost at scale
1M tokens · 50/50 input/output| Volume | GPT-5.6 Cyber | GPT-5.6 Sol | Savings |
|---|---|---|---|
| 1M tokens | $28.13 | $11.25 | $16.88 (60%) |
| 10M tokens | $281.25 | $112.5 | $168.75 (60%) |
| 100M tokens | $2812.5 | $1125 | $1687.5 (60%) |
| 1000M tokens | $28125 | $11250 | $16875 (60%) |
When to pick which
distilled from the pricing and spec data above- this pairing gives GPT-5.6 Cyber no edge on price, context, cache discount, or measured performance — pick it only for qualitative fit (ecosystem, compliance, model behavior on your prompts)
- cost dominates: $11.25/Mtok blended vs $28.13 — 60% less on the same 50/50 token mix
- you need the longer context: 1M tokens vs 400K (2.6×)
The cheaper option here — GPT-5.6 Sol costs $11.25/Mtok blended on OpenAI.
Summary
GPT-5.6 Cyber by OpenAI costs $12.50/Mtok input and $75.00/Mtok output, with a 400K-token context window. It supports text, image input.
GPT-5.6 Sol by OpenAI costs $5.00/Mtok input and $30.00/Mtok output, with a 1M-token context window. It supports text, image input.
On a blended cost basis, GPT-5.6 Sol is 60% cheaper than GPT-5.6 Cyber.It also has a larger context window.
The two aren't directly comparable on average benchmark score: GPT-5.6 Sol has published per-benchmark results, while GPT-5.6 Cyber does not yet.
Note: Pricing is per million tokens. Actual costs vary with usage patterns, prompt caching, and batch discounts. Always verify against official provider pricing pages.