token.app › Compare › Gemini 3 Flash Preview vs GPT-5.6 Sol

Gemini 3 Flash Preview vs GPT-5.6 Sol

GPT-5.6 Sol leads on 5 of 5 shared benchmarks. Gemini 3 Flash Preview is 10× cheaper per token on a blended 3:1 basis. GPT-5.6 Sol accepts the larger context window (1.1M).

Head to head
Blended price uses a 3:1 input:output mix
Gemini 3 Flash PreviewGPT-5.6 Sol
ProviderGoogleOpenAI
Input $/1M$0.500$5.00
Output $/1M$3.00$30.00
Blended $/1M$1.13$11.25
Context window1.0M1.1M
Max output66K128K
ReleasedDec 2025Jul 2026
LicenceProprietaryProprietary
GPQA Diamond 89.4% 93.5%
FrontierMath T1–3 51.2% 89.1%
FrontierMath T4 17.1% 82.9%
SimpleQA Verified 67.4% 71.6%
OTIS Mock AIME 95.6% 100.0%
Benchmark scores independently run and published by Epoch AI, 'AI Benchmarking Hub', used under CC BY 4.0. Only benchmarks with a score for BOTH models are compared.
Choose Gemini 3 Flash Preview if…
  • Costs less per token — $1.13 vs $11.25 blended
Choose GPT-5.6 Sol if…
  • Higher GPQA Diamond (93.5% vs 89.4%)
  • Higher FrontierMath T1–3 (89.1% vs 51.2%)
  • Higher FrontierMath T4 (82.9% vs 17.1%)
  • Higher SimpleQA Verified (71.6% vs 67.4%)
  • Larger context window (1.1M)
  • Newer model (released Jul 2026)
FAQ
Which is better, Gemini 3 Flash Preview or GPT-5.6 Sol?
Across the 5 benchmarks both models have independently-run scores for, Gemini 3 Flash Preview leads on 0 and GPT-5.6 Sol leads on 5. Benchmarks are one input — price and context window are on this page too.
Is Gemini 3 Flash Preview cheaper than GPT-5.6 Sol?
Gemini 3 Flash Preview is cheaper: $1.13 versus $11.25 per million tokens blended at 3:1 input:output. Input alone: $0.500 vs $5.00. Output alone: $3.00 vs $30.00.
What context windows do Gemini 3 Flash Preview and GPT-5.6 Sol have?
Gemini 3 Flash Preview: 1,048,576 tokens. GPT-5.6 Sol: 1,050,000 tokens.
Who makes Gemini 3 Flash Preview and GPT-5.6 Sol?
Gemini 3 Flash Preview is made by Google. GPT-5.6 Sol is made by OpenAI.
Related comparisons
Gemini 3 Flash Preview full details GPT-5.6 Sol full details Gemini 3 Flash Preview vs Ling 3.0 Tiny (free) Gemini 3 Flash Preview vs Muse Spark 1.2 Gemini 3 Flash Preview vs Qwen3.8 Max Gemini 3 Flash Preview vs DeepSeek V4 Flash Latest Gemini 3 Flash Preview vs DeepSeek V4 Flash 0731 Gemini 3 Flash Preview vs Inkling Small