Cost per task
#15 cheapest of 73$0.05at max
OpenAI · released 2026-10-26
Measured on 29 benchmarks across 6 reasoning efforts.
58.9
#22 of 125 models · best at max
includes estimates: 24% of the mix is measured for this model
Bars show where GPT-6.1 Terra sits among the 125 ranked models on each benchmark (right is best); the tick is the field median.
$0.05at max
35kat max
Not measured for GPT-6.1 Terra: time per task, output speed, time to first token.
reasoning
Leader: Opus 5.5 · 61.4%
knowledge
Leader: Opus 5.5 · 46.4
agentic
Leader: Sonnet 5.5 · 1812
agentic
Leader: Gemini 4 · 77.5%
coding
Leader: Opus 5.5 · 57.1%
coding
Leader: Opus 5.5 · 66.9%
coding
Leader: GPT-6 Astra · 63.3%
coding
Leader: Kimi K3.1 · 67.2%
composite
Leader: Opus 5.5 · 57.6
cost
Leader: GPT-6 Luna · $0.00
cost
Leader: GPT-6 Luna · $10.63
creative
Leader: GPT-6 Astra · 2744
economics
Leader: Muse Wonder Full · 32.6%
economics
Leader: Opus 5.5 · 1866
knowledge
Leader: Fable 5.1 · 67.2%
knowledge
Leader: Fable 5 · 34.5
knowledge
Leader: GPT-6 Astra · 27.0
knowledge
Leader: Opus 5.5 · 44.7
knowledge
Leader: Gemini 4 · 53.0
knowledge
Leader: MiniCPM5-1B (Non-reasoning) · 99.1%
knowledge
Leader: Opus 5.5 · 37.8
knowledge
Leader: Opus 5.5 · 88.8
knowledge
Leader: Opus 5.5 · 87.7%
long-context
Leader: Kimi K3 · 88.7%
reasoning
Leader: Muse Wonder Full · 32.9%
reliability
Leader: GPT-6 Sol Pro · 0.0%
reliability
Leader: GPT-5 Pro · 100.0%
speed
Leader: Llama 3.2 1b · 0.2s
speed
Leader: Muse Spark 1.2 · 241.0