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GPT-6 Sol

ModelActive
by OpenAI · family “gpt-sol”

GPT-6 Sol is the cost-efficient high-end model in OpenAI's GPT-6 series, positioned below the flagship GPT-6 Astra and above the fast GPT-6 Luna tier. It is suited for demanding professional... (description from the OpenRouter listing)

in: filein: imagein: textout: textReasoningTool useStructured output
Epoch Capabilities Index
Not scored by Epoch AI
Listing ↗
Released
22 Sep 2026
Context window
1.05M tokens
Max output
128K tokens
Input $ / 1M tokens
$2.00
Output $ / 1M tokens
$10.0
Cached input $ / 1M
$0.20
Each benchmark shown separately with its own source

Benchmark results (8)

BenchmarkDomainScorevs best recordedSettingRunSource
Furniture Assemblymultimodal58.3% ±6.4
70%
max23 Sep 2026Epoch ↗
LMCAagents59.1%
87%
max—External ↗
DTBenchreasoning97.3%
98%
max—External ↗
EBR-benchreasoning53.3% ±4.6
70%
max22 Sep 2026Epoch ↗
FrontierCodecoding49.3%
92%
max—External ↗
APEX-Agentsagents54.3%
72%
max—External ↗
ARC-AGI-2reasoning89.6%
94%
max—External ↗
ARC-AGIreasoning95.5%
97%
max—External ↗

Source: Epoch AI Benchmarking Hub (CC BY 4.0). “External” rows are leaderboard results Epoch collects from third parties. Best reported setting per benchmark is shown.

API list price over time

Price history

$ per 1M tokens

Unchanged since first recorded on 27 Sep 2026 (OpenRouter listing); re-read on every data refresh, most recently 10h ago. Steps show when the price changed.

Events