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GPT-6 Astra vs GPT-6 Sol

Detailed technical comparison between GPT-6 Astra (OpenAI) and GPT-6 Sol (OpenAI). Review live API token pricing, context window capabilities, time-to-first-token latency, and verified benchmark scores side-by-side.

⚡ Executive Summary & Verdict

Comparison Snapshot

GPT-6 Astra: 6 WinsvsGPT-6 Sol: 0 Wins
Context Leader

Tie

Equal Capacity
Agentic Tool-Calling

Tie

Equal Capability
Lowest Latency (TTFT)

Tie

Equal Speed
Input Price Leader

GPT-6 Sol

$2.00 / MTok
OpenAIactive

GPT-6 Astra

GPT-6 Astra is an advanced artificial intelligence model engineered by OpenAI. Tailored for complex multi-step reasoning, programming synthesis, and extended document comprehension, GPT-6 Astra represents a key architectural iteration in the OpenAI model family. First released in 2026-09-04, it serves enterprise developers, research teams, and autonomous system architects requiring strict instruction compliance. Featuring an input capacity of 1,050,000 tokens (approximately 1,400 words), GPT-6 Astra processes multi-file code repositories, lengthy technical reports, and complex prompts in a single inference call.

View GPT-6 Astra Full Specs →
OpenAIactive

GPT-6 Sol

GPT-6 Sol is an advanced artificial intelligence model engineered by OpenAI. Tailored for complex multi-step reasoning, programming synthesis, and extended document comprehension, GPT-6 Sol represents a key architectural iteration in the OpenAI model family. First released in 2026-09-22, it serves enterprise developers, research teams, and autonomous system architects requiring strict instruction compliance. Featuring an input capacity of 1,050,000 tokens (approximately 1,400 words), GPT-6 Sol processes multi-file code repositories, lengthy technical reports, and complex prompts in a single inference call.

View GPT-6 Sol Full Specs →

Technical Specifications

🏆 = Superior Spec
SpecificationGPT-6 AstraGPT-6 Sol
ProviderOpenAIOpenAI
Context Window1,050,000 tokens1,050,000 tokens
Agent SuitabilityNot yet benchmarkedNot yet benchmarked
Time to First Token (TTFT)No public TTFT dataNo public TTFT data
Deployment Modelmanaged apimanaged api
Production StabilityBeta Access (est.)Beta Access (est.)
API AvailableYesYes
Released Date2026-09-042026-09-22

API Pricing Comparison

Input Price per Million Tokens

GPT-6 Astra

$10.00

GPT-6 Sol

$2.00

Output Price per Million Tokens

GPT-6 Astra

$50.00

GPT-6 Sol

$10.00

💡 Cost Ratio: GPT-6 Sol is 5.0x cheaper per input token than GPT-6 Astra.

Want to test both models live?

Run side-by-side prompt benchmarks in our dynamic multi-model Sandbox. Compare execution speeds, latency metrics, and compute actual costs in real-time.

Benchmark Performance Metrics

Standardized Scores (0–100%)

Scores show verified raw accuracy percentages across standardized AI evaluation suites. Higher bars indicate superior performance in that domain.

MMLUGeneral knowledge & multi-task understanding
95.4%vs80.6%+14.8% GPT-6 Astra
GPT-6 Astra 🏆
GPT-6 Sol
HumanEvalPython coding & logic synthesis
96.8%vs78.8%+18.0% GPT-6 Astra
GPT-6 Astra 🏆
GPT-6 Sol
MATHComplex mathematical problem solving
94.2%vs56.0%+38.2% GPT-6 Astra
GPT-6 Astra 🏆
GPT-6 Sol
GPQAGraduate-level expert reasoning
86.0%vs41.4%+44.6% GPT-6 Astra
GPT-6 Astra 🏆
GPT-6 Sol
HellaSwagCommonsense reasoning and inference
98.8%vs83.6%+15.2% GPT-6 Astra
GPT-6 Astra 🏆
GPT-6 Sol
MT-BenchMulti-turn conversation flow quality
9.7%vs8.6%+1.1% GPT-6 Astra
GPT-6 Astra 🏆
GPT-6 Sol

GPT-6 Astra Quirks & Gotchas

No developer gotchas reported.

GPT-6 Sol Quirks & Gotchas

No developer gotchas reported.

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