GPT-6 Sol

Released
2026-09-22
Last refreshed
2026-10-07
Status
Researched 19d ago
ProprietaryCommercial use: conditionalMultimodalCodingRAGAgentsLong contextVisionJSON / Tool useAgentCodingHighlight
OpenAI releases · 41 in the last 12 months · this family litChangelog →
Specifications
Family
GPT-6
Released
2026-09-22
Context
1.05M
Max output
128K
Knowledge cutoff
2026-04
Specialization
general
Openness
Proprietary
License
ProprietaryCommercial use: conditional
Weights
Not released
Code
Unknown
Training
Pretrained
Created by

Cutting-edge research and development.

San Francisco, California, United States
Founded 2015
Website
Pricing
Output / 1M
$10.00
Input / 1M
$2.00

Cheapest of 4 routes · AWS Bedrock · cache read $0.200

About

OpenAI GPT-6 Sol, announced September 22, 2026 with GPT-6 Luna, expands the GPT-6 family below flagship GPT-6 Astra for cost-efficient complex coding and agentic workflows. First-party OpenAI API id gpt-6-sol. Docs: 1,050,000 context, 128,000 max output, knowledge cutoff Apr 20, 2026, text and image input to text output, reasoning effort none/low/medium/high/xhigh/max, function calling, structured outputs, prompt caching, Batch and Flex at 50% of Standard, Fast mode at 2x, and computer use and code interpreter via Responses tools.

Providers(4)

Compare all 4

Compare API pricing across 4 tracked provider routes for input and output tokens, batch, and cached reads when available.

ProviderInput / 1MOutput / 1MBatch in / outCacheRoute
AWS Bedrock$2.00$10.00-read $0.200
Serverless
Azure OpenAI$2.00$10.00-read $0.200
ServerlessProvisioned
OpenAI API$2.00$10.00$1.00 / $5.00read $0.200
Serverless
OpenRouter$2.00$10.00-read $0.200
Serverless

Available via routers & gateways(17)

Capabilities

VisionMultimodalReasoningJSON / Tool useStructured OutputsCode ExecutionPrompt CachingBatch API

Benchmark peer barsfor Coding

No task-mapped benchmark peers are available for this model yet.

Benchmark scores(4)

Scores are benchmark-specific and are direction-aware: the same numeric gap can mean very different outcomes across suites. Use the leaderboard context and this model's provider route to decide whether the winning margin is meaningful for your workload.
BenchmarkScoreVersionEvaluationSource
ARC-AGI-289.6ARC-AGI-2 semi-privateObserved 2026-10-01
Configuration: gpt-6-sol (Max)
Harness: ARC Prize semi-private evaluation
Evaluator: ARC Prize Foundation
Confidence: confirmed
Notes: ARC Prize official leaderboard data (ARC-AGI-2 semi-private), verified in https://arcprize.org/media/data/leaderboard/v2.json (generatedAt 2026-10-01T18:51Z) for modelDisplayName 'GPT-6 Sol (Max)'. Highest-scoring published effort selected. Discovered via Benchmark Heaven / Epoch AI mirror (lead only).
Source
FrontierCode 1.1 Main49.3FrontierCode 1.1 MainObserved 2026-10-05
Configuration: gpt-6-sol (Max)
Harness: codex
Evaluator: Cognition
Confidence: confirmed
Notes: Cognition FrontierCode 1.1 Main (100 tasks) mean@5 composite ('new_score'), verified in https://cognition.com/data/frontiercode-leaderboard/data.json (the data file behind https://cognition.com/frontiercode), retrieved 2026-10-05. Agent harness: codex. Highest-scoring published effort selected; timestamp is retrieval date.
Source
FrontierMath Tier 490.0FrontierMath Tier 4 v2 (private)Observed 2026-09-22
Configuration: gpt-6-sol (Max)
Harness: Epoch AI FrontierMath Tier 4 v2 private set
Evaluator: Epoch AI
Confidence: confirmed
Notes: Epoch AI-run evaluation (evaluator of record), from Epoch AI Benchmarking Hub data download https://epoch.ai/data/benchmark_data.zip (file frontiermath_tier_4_v2.csv, row 'gpt-6-sol_max', run started 2026-09-22). Epoch data is CC BY 4.0: credit 'Epoch AI, Capabilities & benchmarking, https://epoch.ai/benchmarks'. Highest-scoring Epoch configuration for this model selected; other configurations exist in the same file. Discovered via Benchmark Heaven (lead only).
Source
Google-Proof Q&A94.3diamondObserved 2026-09-22
Configuration: gpt-6-sol (Max)
Harness: Epoch AI Inspect harness (GPQA Diamond, 198 Q)
Evaluator: Epoch AI
Confidence: confirmed
Notes: Epoch AI-run evaluation (evaluator of record), from Epoch AI Benchmarking Hub data download https://epoch.ai/data/benchmark_data.zip (file gpqa_diamond.csv, row 'gpt-6-sol_max', run started 2026-09-22). Epoch data is CC BY 4.0: credit 'Epoch AI, Capabilities & benchmarking, https://epoch.ai/benchmarks'. Highest-scoring Epoch configuration for this model selected; other configurations exist in the same file. Discovered via Benchmark Heaven (lead only).
Source

Migration checks

No linked migration route is available for this model yet.

API versions

gpt-6-solGPT-6 Sol