Claude Fable 5$22.000/MClaude Opus 4.8$11.000/MClaude Opus 4.7$11.000/MClaude Opus 4.6$11.000/MClaude Opus 4.5$33.000/MClaude Sonnet 3.7$6.600/MClaude Opus 3$33.000/MClaude 2.1$12.800/MClaude 2$12.800/MGPT-5.5$12.500/MGPT-5.2$5.425/MGPT-5.2-Codex$5.425/MGPT-5$3.875/MGPT-4.5$97.500/MGPT-4 Turbo Preview$16.000/MGPT-4$39.000/MGPT-4-32k$78.000/Mo3$19.000/Mo3-mini$2.090/Mo4-mini$2.090/Mo1$28.500/Mo1-mini$5.700/Mo1-preview$28.500/MGemini 3.5 Pro$5.000/MGemini 3.1 Pro$5.000/MGemini 3 Pro$5.000/MGemini 2.5 Pro$3.875/MGemini 1.5 Pro$2.375/MGemini 1.0 Ultra$12.000/MGemini 1.0 Pro$0.800/MClaude Fable 5$22.000/MClaude Opus 4.8$11.000/MClaude Opus 4.7$11.000/MClaude Opus 4.6$11.000/MClaude Opus 4.5$33.000/MClaude Sonnet 3.7$6.600/MClaude Opus 3$33.000/MClaude 2.1$12.800/MClaude 2$12.800/MGPT-5.5$12.500/MGPT-5.2$5.425/MGPT-5.2-Codex$5.425/MGPT-5$3.875/MGPT-4.5$97.500/MGPT-4 Turbo Preview$16.000/MGPT-4$39.000/MGPT-4-32k$78.000/Mo3$19.000/Mo3-mini$2.090/Mo4-mini$2.090/Mo1$28.500/Mo1-mini$5.700/Mo1-preview$28.500/MGemini 3.5 Pro$5.000/MGemini 3.1 Pro$5.000/MGemini 3 Pro$5.000/MGemini 2.5 Pro$3.875/MGemini 1.5 Pro$2.375/MGemini 1.0 Ultra$12.000/MGemini 1.0 Pro$0.800/M
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arcee-ai
arcee-ai
ReasoningAUTO PROFILELIVE INDEX

Trinity Large Thinking

text->text

Trinity Large Thinking is a reasoning-tuned model: optimised for chain-of-thought, mathematics, and step-by-step problem solving rather than chat throughput. Available via arcee-ai. 262K-token context. Efficient pricing.

Trinity Large Thinking is a reasoning AI model from arcee-ai. It costs $0.250 per million input tokens and $0.800 per million output tokens (blended $0.415/M), with a 262K-token context window.

Modalities textPricing source ↗Compare with another model →Estimate monthly cost →
INPUT
$0.250/M
per million input tokens
OUTPUT
$0.800/M
per million output tokens
BLENDED 70/30
$0.415/M
default reference rate · how it's calculated →
CONTEXT
262K
262,144 tokens
What it's good at
  • Step-by-step reasoning traces
  • Mathematics and proofs
  • Code synthesis with planning
  • Robust on multi-step problems
Typical use cases
  • Math problem solving
  • Hard coding tasks
  • Research-grade Q&A
  • Multi-step planning
Benchmarks
No published benchmark scores tracked for this model yet. Frontier and reasoning models from major providers have scores; smaller models and inference-host variants typically inherit the underlying open-weights score.
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text->text · 131K ctx
in $0.750/Mout $1.200/M
Coder Large
text->text · 33K ctx
in $0.500/Mout $0.800/M
Frequently asked questions

How much does Trinity Large Thinking cost?

Trinity Large Thinking costs $0.250 per million input tokens and $0.800 per million output tokens, for a blended reference rate of $0.415 per million tokens.

What is Trinity Large Thinking's context window?

Trinity Large Thinking supports up to 262K tokens of context (262,144 tokens).

What is Trinity Large Thinking best for?

Trinity Large Thinking is well suited to Step-by-step reasoning traces, Mathematics and proofs and Code synthesis with planning.

Who makes Trinity Large Thinking?

Trinity Large Thinking is developed and served by arcee-ai.