Kimi K2.5 (Reasoning)
Context 256K tokens
Top 5 cheapest providers (Adjusted $/task)
The same list price can give a different adjusted $/task (caching, token efficiency) — click a price for its inputs.
Within the active global provider, residency and confidentiality filters.
| # | Provider | Platform | Raw input $/1M | Raw output $/1M | Adjusted $/task |
|---|---|---|---|---|---|
| 1 | SiliconFlow | OpenRouter | $0.450 | $2.25 | |
| 2 | Novita | OpenRouter | $0.570 | $2.85 | |
| 3 | Venice | OpenRouter | $0.532 | $3.33 | |
| 4 | Azure AI Foundry | Azure AI Foundry | $0.600 | $3.00 | |
| 5 | Amazon Bedrock | OpenRouter | $0.600 | $3.00 |
Composite
6 of 7 inputs · 4 from the model family6 radar axes: DesignArena's two boards share one54.2
includes −5.4 for its Benchmaxxing signal (from 59.6; why, switch off in Options)
Benchmaxxing signal +5.4, light Benchmaxxing tag, uncertain: Based on only 6 comparisons — treat this tag as uncertain · light report →Based on only 6 comparisons — treat this tag as uncertain.
AA Coding 46.8Coding Agent v1.4 —AA Intelligence 23.5AA Agentic —Epoch ECI 148.0Software ECI 146.8DesignArena 1151/1123
Radar: percentile among all models measured on each input; a gap means not measured.
Benchmark sheet
17 of 140 registered benchmark versions · bars show the percentile among all models measured on each benchmark.
- Epoch ECI · attached
- Software ECI · attached
- DesignArena Web Apps (agentic) · attached
- DesignArena Full-Stack · attached
Agentic
APEX-Agents-AA1711.5%
APEX-Agents-AA published 2026-09-10 ↗ · Published board — Tests professional-service tasks that require agents to produce locally graded deliverables.
GDPval-AA v245936 Elo
GDPval-AA v2 v2 ↗ · Published board — Tests professional knowledge-work deliverables across occupations using AA's Stirrup harness.
Terminal-Bench Hard (AA)8034.8%
Terminal-Bench Hard (AA) pinned revision 74221fb ↗ · Published board — Tests a pinned 44-task hard subset of terminal-based work using Terminus 2.
Terminal-Bench v2.1 (AA)4645.7%
Terminal-Bench v2.1 (AA) v2.1 ↗ · Published board — Tests terminal-based work on the 89-task verified refresh using Terminus 2.
τ²-Bench Airline (OpenRouter run)5571.2%
τ²-Bench Airline (OpenRouter run) published 2026-09-15 ↗ · Published board — Multi-turn service agents making tool calls under strict policy constraints. (OpenRouter's own reproducible run, as published on openrouter.ai/benchmarks.)
Coding
AA Coding Index5446.8
AA Coding Index published 2026-09-19 ↗ · Published board — Artificial Analysis publishes this board without a version number; we keep the date each result was retained.
DesignArena Web Apps (agentic)321,151 Elo
DesignArena Web Apps (agentic) published 2026-09-19 ↗ · Published board — Published Elo. Exact source attachment is retained; fewer than 200 battles excludes a row from radar normalization and anomaly peers.
DesignArena Full-Stack331,123 Elo
DesignArena Full-Stack published 2026-09-19 ↗ · Published board — Published Elo. Exact source attachment is retained; fewer than 200 battles excludes a row from radar normalization and anomaly peers.
Efficiency
GPQA Diamond (OpenRouter run) — measured cost per task28$0.072
GPQA Diamond (OpenRouter run) — measured cost per task published 2026-09-15 ↗ · Published board — Mean USD OpenRouter actually spent per task while running GPQA Diamond for this configuration.
τ²-Bench Airline (OpenRouter run) — measured cost per task66$0.029
τ²-Bench Airline (OpenRouter run) — measured cost per task published 2026-09-15 ↗ · Published board — Mean USD OpenRouter actually spent per task while running τ²-Bench Airline for this configuration.
Instruction-following
IFBench (AA single-turn)8570.2%
IFBench (AA single-turn) published 2026-09-10 ↗ · Published board — Tests precise single-turn instructions with deterministic rule checks.
Knowledge
Humanity's Last Exam (AA text-only)8330.7%
Humanity's Last Exam (AA text-only) published 2026-09-10 ↗ · Published board — Tests expert-level knowledge on AA's text-only Humanity's Last Exam subset.
AA-Omniscience Index75-7.33
AA-Omniscience Index published 2026-09-10 ↗ · Published board — Tests factual reliability while rewarding correct answers and penalizing hallucinations.
Long-context
AA-LCR v1.18378.0%
AA-LCR v1.1 v1.1 ↗ · Published board — Tests reasoning across multiple long documents with corrected answer keys and grading.
Reasoning
AA Intelligence Index7823.5
AA Intelligence Index published 2026-09-19 ↗ · Published board — Artificial Analysis publishes this board without a version number; we keep the date each result was retained.
Science
CritPt (AA)753.1%
CritPt (AA) published 2026-09-10 ↗ · Published board — Tests research-level physics reasoning with Python, symbolic and numerical answers.
GPQA Diamond (AA)8587.9%
GPQA Diamond (AA) published 2026-09-10 ↗ · Published board — Tests graduate-level biology, physics and chemistry knowledge on the Diamond subset.
GPQA Diamond (OpenRouter run)6984.9%
GPQA Diamond (OpenRouter run) published 2026-09-15 ↗ · Published board — Graduate-level science questions that resist retrieval and reward careful reasoning. (OpenRouter's own reproducible run, as published on openrouter.ai/benchmarks.)
Tool-use
τ²-Bench Telecom (AA)9695.9%
τ²-Bench Telecom (AA) published 2026-09-10 ↗ · Published board — Tests dual-control telecom agents that coordinate tool use with a simulated user.
τ³-Banking (AA) v1.0.14114.2%
τ³-Banking (AA) v1.0.1 ↗ · Published board — Tests banking support agents that retrieve policies and change account state through tools.
Vision
MMMU Pro (AA)7175.4%
MMMU Pro (AA) published 2026-09-10 ↗ · Published board — Tests multimodal understanding using challenging ten-option questions.
Missing coverage · 124 benchmark versions
No result does not mean a zero, or that the model was never tested. Collection failures and disputed versions retain their distinct status.
Variants / reasoning settings
Artificial Analysis snapshot 2026-09-19 · Data: Artificial Analysis · Data: Epoch AI (CC BY)
| Variant | AA Coding | AA Intelligence |
|---|---|---|
| Kimi K2.5 (Reasoning) | 46.8 | 23.5 |
| Kimi K2.5 (Non-reasoning) | — | 19.4 |
Token offers by platform · 6 offers (Adjusted $/task)
Click any underlined price to see how it is estimated and where each input comes from. How we calculate adjusted cost.
6 offers within the active global filters; “—” means the catalog is active but no public token price is available.
OpenRouter (4)
| SiliconFlow | globalsiliconflow/int4 | $0.450 raw in $/1M | $2.25 raw out $/1M | |
| Venice | globalvenice | $0.532 raw in $/1M | $3.33 raw out $/1M | |
| Amazon Bedrock | globalamazon-bedrock/us-east-2 | $0.600 raw in $/1M | $3.00 raw out $/1M | |
| Novita | globalnovita | $0.570 raw in $/1M | $2.85 raw out $/1M |
Azure AI Foundry (1)
| Azure AI Foundry | globalazure direct | $0.600 raw in $/1M | $3.00 raw out $/1M |
AWS Bedrock (1)
| AWS Bedrock | eu-central-1EU | $0.720 raw in $/1M | $3.60 raw out $/1M |