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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01.AI
01.AIFrontier

Yi-Large

Frontier

Closed-weights Yi flagship. Predecessor to Yi-Lightning; still hosted for legacy 01.AI integrations.

Yi-Large is a frontier AI model from 01.AI. It costs $3.000 per million input tokens and $3.000 per million output tokens (blended $3.000/M), with a 32K-token context window.

Released May 2024Modalities textOfficial model page ↗Compare with another model →Estimate monthly cost →
INPUT
$3.000/M
per million input tokens
OUTPUT
$3.000/M
per million output tokens
BLENDED 70/30
$3.000/M
default reference rate · how it's calculated →
CONTEXT
32K
32,000 tokens
What it's good at
  • Bilingual EN/ZH
  • 32K context
Typical use cases
  • Legacy Yi-Large integrations
Benchmarks
vs. best public score
MMLU78%
Multitask academic knowledge across 57 subjects.
MATH60%
High-school competition math problems.
HumanEval70%
Python function synthesis from docstrings.
LMArena Elo1199 Elo
Crowd-sourced head-to-head preference Elo rating.
Hand-curated from each provider's published reports and public leaderboards. Methodology varies across sources — treat as directional rather than authoritative.
More from 01.AI
See all 9 →
Yi-Lightning
Fast · 16K ctx
in $0.140/Mout $0.140/M
Yi-Large-Turbo
Balanced · 16K ctx
in $0.380/Mout $0.380/M
Yi-34B-Chat
Open Large · 4K ctx
in $0.800/Mout $0.800/M
Yi-34B
Open Base · 4K ctx
in $0.800/Mout $0.800/M
Yi-9B
Compact · 4K ctx
in $0.300/Mout $0.300/M
Yi-6B
Nano · 4K ctx
in $0.150/Mout $0.150/M
Frequently asked questions

How much does Yi-Large cost?

Yi-Large costs $3.000 per million input tokens and $3.000 per million output tokens, for a blended reference rate of $3.000 per million tokens.

What is Yi-Large's context window?

Yi-Large supports up to 32K tokens of context (32,000 tokens).

What is Yi-Large best for?

Yi-Large is well suited to Bilingual EN/ZH, 32K context and Legacy Yi-Large integrations.

Who makes Yi-Large?

Yi-Large is developed and served by 01.AI. It was released in May 2024.