GPT-5.6 Sol
OpenAI
Replacement delta versus GPT-5.5: Compared with GPT-5.5, the replaced model from the previous published roster.
PickAIModel.com - GPT-5.6 Sol Model Detail
OpenAI
Replacement delta versus GPT-5.5: Compared with GPT-5.5, the replaced model from the previous published roster.
Pricing data is unavailable.
PickAI Conversation Value measures buying power at published API rates using the shared standard conversation basket.
Standout feature
GPT-5.6 Sol — flagship GPT-5.6 tier
OpenAI’s flagship for complex professional work and coding, at premium API pricing.
Images and files
Supports text and image input with text output, functions, web search, file search, and computer use.
PickAI benchmark
Move the usage slider to see how the monthly price translates into PickAI Conversation Value at published API rates.
Conversation value
API pricing not published
Usage intensity
One normal prompt, one full reply, and a couple of follow-up turns.
Selected tier
Self-hosted
PickAI Conversation Value
API pricing not published
Standard basket
3K tokens/chat
Pricing data is unavailable.
No pricing tiers are available for this model.
API pricing basis: $5 / 1M input, $30 / 1M output
PickAI Conversation Value measures buying power at published API rates using the shared standard conversation basket.
| Tier | Monthly price | PickAI Conversation Value | Standard basket | Rate note |
|---|
Consumer access
Plan availability is described conservatively without inferring a tier-specific subscription price.
Official GPT-5.6 availability across ChatGPT, Codex, and the API.
What it feels like
Official ecosystem
These are the verified first-party tools or official product surfaces currently listed for GPT-5.6 Sol. If there is no verified specialized tool beyond a general chat surface, this section stays minimal.
No separate specialized tool bundle is asserted for the model row.
GPT-5.6 Sol is OpenAI’s flagship tier for complex coding and professional work. Its strong independent HLE and official SWE-Bench Pro evidence come with the family’s highest API price, so it is best reserved for work that justifies maximum capability.
Head-to-head pages
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Modalities and tool support from the official OpenAI model catalog.
For cautious buyers
Maker-country caution only; no plan-specific privacy promise is asserted.
| Benchmark | Metric | Axis | Weight | Contribution | Score | Source | Retrieved |
|---|---|---|---|---|---|---|---|
Humanity's Last Exam GPT-5.6 Sol (max reasoning), Artificial Analysis HLE | Normalized quality input | VALUEQUALITY | VALUE: 40% [SMARTNESS] QUALITY: 55.6% active / 50% base [REASONING] | Contributes 33.6 pts to Value score Contributes 46.7 pts to Quality score | 47.2% | Artificial Analysis GPT-5.6 Sol max analysis page Independent Artificial Analysis HLE result for the max-reasoning model variant. This is provisional tier-3 evidence, not an OpenAI-published no-tools HLE result. | 2026-07-12 |
SWE-Bench Pro |
| Software engineering task resolution |
QUALITY |
QUALITY: 27.8% active / 25% base [CODING] |
Contributes 19.3 pts to Quality score |
| 64.6% |
| OpenAI GPT-5.6 release Vendor-reported OpenAI GPT-5.6 launch result. Preserve the named tier and launch configuration; do not substitute a similarly named benchmark or model variant. |
| 2026-07-12 |
GPQA Diamond GPQA Diamond (OpenAI GPT-5.6 launch configuration) | Graduate-level scientific reasoning | Reference only | Not used in Quality or Value scoring. | Informational evidence only. | 94.6% | OpenAI GPT-5.6 release Vendor-reported OpenAI GPT-5.6 launch result. Preserve the named tier and launch configuration; do not substitute a similarly named benchmark or model variant. | 2026-07-12 |
Terminal-Bench 2.1 Terminal-Bench 2.1 (OpenAI GPT-5.6 launch configuration) | Agentic terminal task completion | Reference only | Not used in Quality or Value scoring. | Informational evidence only. | 88.8% | OpenAI GPT-5.6 release Vendor-reported OpenAI GPT-5.6 launch result. Preserve the named tier and launch configuration; do not substitute a similarly named benchmark or model variant. | 2026-07-12 |
Agents' Last Exam Agents' Last Exam (OpenAI GPT-5.6 launch configuration) | Professional agent evaluation | Reference only | Not used in Quality or Value scoring. | Informational evidence only. | 52.7% | OpenAI GPT-5.6 release Vendor-reported OpenAI GPT-5.6 launch result. Preserve the named tier and launch configuration; do not substitute a similarly named benchmark or model variant. | 2026-07-12 |
MRCR v2 OpenAI MRCR v2 8-needle 256K-512K | 8-needle retrieval, 256K-512K | Reference only | Not used in Quality or Value scoring. | Informational evidence only. | 91.5% | OpenAI GPT-5.6 release Vendor-reported OpenAI GPT-5.6 launch result. Preserve the named tier and launch configuration; do not substitute a similarly named benchmark or model variant. | 2026-07-12 |
MRCR v2 OpenAI MRCR v2 8-needle 512K-1M | 8-needle retrieval, 512K-1M | Reference only | Not used in Quality or Value scoring. | Informational evidence only. | 73.8% | OpenAI GPT-5.6 release Vendor-reported OpenAI GPT-5.6 launch result. Preserve the named tier and launch configuration; do not substitute a similarly named benchmark or model variant. | 2026-07-12 |