token.app โ€บ Compare โ€บ R1 vs GPT-5.6 Terra

R1 vs GPT-5.6 Terra

GPT-5.6 Terra leads on 2 of 2 shared benchmarks. R1 is 2.0ร— cheaper per token on a blended 3:1 basis. GPT-5.6 Terra accepts the larger context window (1.1M).

Head to head
Blended price uses a 3:1 input:output mix
R1GPT-5.6 Terra
ProviderDeepSeekOpenAI
Input $/1M$0.700$1.00
Output $/1M$2.50$6.00
Blended $/1M$1.15$2.25
Context window164K1.1M
Max output16K128K
ReleasedJan 2025Jul 2026
LicenceOpen weightsProprietary
GPQA Diamond 71.7% 93.3%
OTIS Mock AIME 53.3% 99.7%
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 R1 ifโ€ฆ
  • Costs less per token โ€” $1.15 vs $2.25 blended
  • Open weights โ€” self-hostable
Choose GPT-5.6 Terra ifโ€ฆ
  • Higher GPQA Diamond (93.3% vs 71.7%)
  • Higher OTIS Mock AIME (99.7% vs 53.3%)
  • Larger context window (1.1M)
  • Newer model (released Jul 2026)
FAQ
Which is better, R1 or GPT-5.6 Terra?
Across the 2 benchmarks both models have independently-run scores for, R1 leads on 0 and GPT-5.6 Terra leads on 2. Benchmarks are one input โ€” price and context window are on this page too.
Is R1 cheaper than GPT-5.6 Terra?
R1 is cheaper: $1.15 versus $2.25 per million tokens blended at 3:1 input:output. Input alone: $0.700 vs $1.00. Output alone: $2.50 vs $6.00.
What context windows do R1 and GPT-5.6 Terra have?
R1: 163,840 tokens. GPT-5.6 Terra: 1,050,000 tokens.
Who makes R1 and GPT-5.6 Terra?
R1 is made by DeepSeek. GPT-5.6 Terra is made by OpenAI.
Related comparisons