Inkling
thinkingmachines/inkling-20260715
Thinking Machines: Inkling is a model from Thinking Machines that accepts text, image, and audio inputs and produces text output. It provides a context length of 524,288 tokens, supports tool usage and reasoning, offers open weights, and costs
- tool use
- structured outputs
- reasoning
- open-weight
At a glance
Specifications
What the API gives you
- Context window
- 1.0M tokens
- Max output
- 472K tokens
- Input price
- $1 / 1M tokens
- Output price
- $4.05 / 1M tokens
- Cache read
- $0.17 / 1M tokens
- Modalities
- text, image, audio → text
- Knowledge cutoff
- —
- Released
- Jul 15, 2026
Measured evidence
Public benchmark record
- Design Arena Coding
- 1218 Elo2026-08-05
- Design Arena Coding
- 1225 Elo2026-08-09
- Design Arena Coding
- 1221 Elo2026-08-14
- Design Arena Coding
- 1221 Elo2026-08-06
- Design Arena Coding
- 1226 Elo2026-08-10
- Design Arena Coding
- 1220 Elo2026-08-07
- Design Arena Coding
- 1216 Elo2026-08-18
- Design Arena Coding
- 1223 Elo2026-08-08
- Design Arena Coding
- 1216 Elo2026-08-15
- Design Arena Coding
- 1225 Elo2026-08-11
- Design Arena Coding
- 1223 Elo2026-08-12
- Design Arena Coding
- 1220 Elo2026-08-13
- Design Arena Coding
- 1214 Elo2026-08-19
- Design Arena Coding
- 1219 Elo2026-08-27
- Design Arena Coding
- 1218 Elo2026-08-21
- Design Arena Coding
- 1214 Elo2026-08-20
- Design Arena Coding
- 1216 Elo2026-08-16
- Design Arena Coding
- 1215 Elo2026-09-05
- Design Arena Coding
- 1218 Elo2026-08-17
- Design Arena Coding
- 1218 Elo2026-08-22
- Design Arena Coding
- 1218 Elo2026-08-23
- Design Arena Coding
- 1219 Elo2026-08-28
- Design Arena Coding
- 1218 Elo2026-08-24
- Design Arena Coding
- 1219 Elo2026-08-25
- Design Arena Coding
- 1219 Elo2026-08-26
- Design Arena Coding
- 1215 Elo2026-09-06
- Design Arena Coding
- 1220 Elo2026-08-29
- Design Arena Coding
- 1221 Elo2026-08-30
- Design Arena Coding
- 1221 Elo2026-08-31
- Design Arena Coding
- 1221 Elo2026-09-01
- Design Arena Coding
- 1220 Elo2026-09-02
- Design Arena Coding
- 1217 Elo2026-09-03
- Design Arena Coding
- 1217 Elo2026-09-04
- Design Arena UI
- 1207 Elo2026-08-09
- Design Arena UI
- 1202 Elo2026-08-14
- Design Arena UI
- 1232 Elo2026-08-10
- Design Arena UI
- 1206 Elo2026-08-08
- Design Arena UI
- 1202 Elo2026-08-18
- Design Arena UI
- 1229 Elo2026-08-11
- Design Arena UI
- 1202 Elo2026-08-15
- Design Arena UI
- 1221 Elo2026-08-12
- Design Arena UI
- 1205 Elo2026-08-13
- Design Arena UI
- 1202 Elo2026-08-19
- Design Arena UI
- 1203 Elo2026-08-16
- Design Arena UI
- 1202 Elo2026-08-20
- Design Arena UI
- 1205 Elo2026-08-27
- Design Arena UI
- 1198 Elo2026-08-17
- Design Arena UI
- 1204 Elo2026-09-05
- Design Arena UI
- 1215 Elo2026-08-21
- Design Arena UI
- 1217 Elo2026-08-22
- Design Arena UI
- 1210 Elo2026-08-23
- Design Arena UI
- 1205 Elo2026-08-24
- Design Arena UI
- 1201 Elo2026-08-28
- Design Arena UI
- 1203 Elo2026-08-25
- Design Arena UI
- 1202 Elo2026-08-26
- Design Arena UI
- 1206 Elo2026-09-06
- Design Arena UI
- 1204 Elo2026-08-29
- Design Arena UI
- 1202 Elo2026-08-30
- Design Arena UI
- 1202 Elo2026-08-31
- Design Arena UI
- 1203 Elo2026-09-01
- Design Arena UI
- 1206 Elo2026-09-02
- Design Arena UI
- 1202 Elo2026-09-03
- Design Arena UI
- 1202 Elo2026-09-04
- Design Arena Website
- 1243 Elo2026-08-02
- Design Arena Website
- 1245 Elo2026-08-01
- Design Arena Website
- 1230 Elo2026-08-05
- Design Arena Website
- 1242 Elo2026-08-03
- Design Arena Website
- 1236 Elo2026-08-09
- Design Arena Website
- 1229 Elo2026-08-04
- Design Arena Website
- 1235 Elo2026-08-14
- Design Arena Website
- 1234 Elo2026-08-06
- Design Arena Website
- 1232 Elo2026-08-07
- Design Arena Website
- 1236 Elo2026-08-10
- Design Arena Website
- 1235 Elo2026-08-08
- Design Arena Website
- 1222 Elo2026-08-18
- Design Arena Website
- 1238 Elo2026-08-11
- Design Arena Website
- 1226 Elo2026-08-15
- Design Arena Website
- 1236 Elo2026-08-12
- Design Arena Website
- 1232 Elo2026-08-13
- Design Arena Website
- 1222 Elo2026-08-19
- Design Arena Website
- 1225 Elo2026-08-16
- Design Arena Website
- 1222 Elo2026-08-20
- Design Arena Website
- 1228 Elo2026-08-27
- Design Arena Website
- 1226 Elo2026-08-17
- Design Arena Website
- 1227 Elo2026-09-05
- Design Arena Website
- 1226 Elo2026-08-21
- Design Arena Website
- 1226 Elo2026-08-22
- Design Arena Website
- 1225 Elo2026-08-23
- Design Arena Website
- 1226 Elo2026-08-24
- Design Arena Website
- 1227 Elo2026-08-28
- Design Arena Website
- 1226 Elo2026-08-25
- Design Arena Website
- 1227 Elo2026-08-26
- Design Arena Website
- 1226 Elo2026-09-06
- Design Arena Website
- 1229 Elo2026-08-29
- Design Arena Website
- 1230 Elo2026-08-30
- Design Arena Website
- 1230 Elo2026-08-31
- Design Arena Website
- 1230 Elo2026-09-01
- Design Arena Website
- 1229 Elo2026-09-02
- Design Arena Website
- 1227 Elo2026-09-03
- Design Arena Website
- 1227 Elo2026-09-04
- LiveBench Agentic Coding
- 49.4%2026-06-25
- LiveBench Coding
- 71.0%2026-06-25
- LiveBench Data Analysis
- 72.8%2026-06-25
- LiveBench Instruction Following
- 70.1%2026-06-25
- LiveBench Language
- 73.5%2026-06-25
- LiveBench Math
- 88.4%2026-06-25
- LiveBench Reasoning
- 78.3%2026-06-25
- LMArena Agent
- -5.72026-07-20
- LMArena Agent
- -5.62026-07-27
- LMArena Agent
- -6.42026-07-21
- LMArena Agent
- -5.72026-07-28
- LMArena Agent
- -6.42026-08-03
- LMArena Agent
- -6.72026-08-12
- LMArena Agent
- -6.62026-08-13
- LMArena Agent
- -6.62026-08-06
- LMArena Agent
- -6.72026-08-11
- LMArena Agent
- -6.72026-08-24
- LMArena Agent
- -72026-08-31
- LMArena Agent
- -7.52026-09-05
- LMArena Agent
- -6.62026-08-27
- LMArena Creative Writing
- 1404 Elo2026-07-21
- LMArena Creative Writing
- 1395 Elo2026-07-27
- LMArena Creative Writing
- 1395 Elo2026-07-30
- LMArena Creative Writing
- 1391 Elo2026-08-02
- LMArena Creative Writing
- 1391 Elo2026-08-03
- LMArena Creative Writing
- 1388 Elo2026-08-06
- LMArena Creative Writing
- 1391 Elo2026-08-12
- LMArena Creative Writing
- 1388 Elo2026-08-21
- LMArena Creative Writing
- 1385 Elo2026-09-02
- LMArena Creative Writing
- 1387 Elo2026-08-27
- LMArena Creative Writing
- 1385 Elo2026-09-01
- LMArena Instruction Following
- 1427 Elo2026-07-21
- LMArena Instruction Following
- 1421 Elo2026-07-27
- LMArena Instruction Following
- 1421 Elo2026-07-30
- LMArena Instruction Following
- 1419 Elo2026-08-02
- LMArena Instruction Following
- 1419 Elo2026-08-03
- LMArena Instruction Following
- 1420 Elo2026-08-06
- LMArena Instruction Following
- 1423 Elo2026-08-12
- LMArena Instruction Following
- 1420 Elo2026-08-21
- LMArena Instruction Following
- 1419 Elo2026-09-02
- LMArena Instruction Following
- 1419 Elo2026-08-27
- LMArena Instruction Following
- 1419 Elo2026-09-01
- LMArena Long Query
- 1442 Elo2026-07-21
- LMArena Long Query
- 1440 Elo2026-07-27
- LMArena Long Query
- 1440 Elo2026-07-30
- LMArena Long Query
- 1435 Elo2026-08-02
- LMArena Long Query
- 1435 Elo2026-08-03
- LMArena Long Query
- 1435 Elo2026-08-06
- LMArena Long Query
- 1436 Elo2026-08-12
- LMArena Long Query
- 1431 Elo2026-08-21
- LMArena Long Query
- 1430 Elo2026-09-02
- LMArena Long Query
- 1430 Elo2026-08-27
- LMArena Long Query
- 1430 Elo2026-09-01
- LMArena Math
- 1475 Elo2026-07-21
- LMArena Math
- 1478 Elo2026-07-27
- LMArena Math
- 1478 Elo2026-07-30
- LMArena Math
- 1475 Elo2026-08-02
- LMArena Math
- 1475 Elo2026-08-03
- LMArena Math
- 1482 Elo2026-08-06
- LMArena Math
- 1480 Elo2026-08-12
- LMArena Math
- 1486 Elo2026-08-21
- LMArena Math
- 1477 Elo2026-09-01
- LMArena Math
- 1475 Elo2026-08-27
- LMArena Text
- 1445 Elo2026-07-21
- LMArena Text
- 1441 Elo2026-08-02
- LMArena Text
- 1443 Elo2026-07-27
- LMArena Text
- 1443 Elo2026-07-30
- LMArena Text
- 1443 Elo2026-08-10
- LMArena Text
- 1442 Elo2026-08-06
- LMArena Text
- 1441 Elo2026-08-03
- LMArena Text
- 1440 Elo2026-08-21
- LMArena Text
- 1442 Elo2026-08-12
- LMArena Text
- 1439 Elo2026-09-01
- LMArena Text
- 1439 Elo2026-09-02
- LMArena Text
- 1439 Elo2026-08-27
- LMArena WebDev
- 1421 Elo2026-07-21
- LMArena WebDev
- 1426 Elo2026-07-20
- LMArena WebDev
- 1418 Elo2026-07-27
- LMArena WebDev
- 1418 Elo2026-07-24
- LMArena WebDev
- 1417 Elo2026-07-28
- LMArena WebDev
- 1417 Elo2026-07-30
- LMArena WebDev
- 1411 Elo2026-08-01
- LMArena WebDev
- 1412 Elo2026-07-31
- LMArena WebDev
- 1410 Elo2026-08-06
- LMArena WebDev
- 1411 Elo2026-08-02
- LMArena WebDev
- 1405 Elo2026-08-12
- LMArena WebDev
- 1407 Elo2026-08-10
- LMArena WebDev
- 1405 Elo2026-08-14
- LMArena WebDev
- 1408 Elo2026-08-21
- LMArena WebDev
- 1408 Elo2026-09-01
- LMArena WebDev
- 1409 Elo2026-09-05
- LMArena WebDev
- 1408 Elo2026-08-30
LMArena data licensed CC-BY-4.0. Aider (Apache-2.0) and SWE-bench (MIT) are open. Design Arena uses blind human preference.
Open-weight model on Hugging Face.
Task evidence
How broad is the support?
Each status is exact to this model version and the selected task. Official release claims remain provisional.
- Best LLM for Competition MathEstablished evidence
100% of intended weighted task evidence across 2 independent sources. 5 of 5 configured evaluation feeds currently have results.
- Best LLM for Business WritingEstablished evidence
100% of intended weighted task evidence across 2 independent sources. 5 of 5 configured evaluation feeds currently have results.
- Best LLM for Logic & Problem SolvingEstablished evidence
100% of intended weighted task evidence across 2 independent sources. 5 of 5 configured evaluation feeds currently have results.
- Best LLM for Marketing CopyEstablished evidence
100% of intended weighted task evidence across 2 independent sources. 5 of 5 configured evaluation feeds currently have results.
- Best LLM for Chat & RoleplayEstablished evidence
100% of intended weighted task evidence across 2 independent sources. 5 of 5 configured evaluation feeds currently have results.
- Best LLM for Creative WritingEstablished evidence
100% of intended weighted task evidence across 2 independent sources. 5 of 5 configured evaluation feeds currently have results.
- Best LLM for Frontend & UIEstablished evidence
100% of intended weighted task evidence across 3 independent sources. 5 of 5 configured evaluation feeds currently have results.
- Best LLM for WritingEstablished evidence
100% of intended weighted task evidence across 2 independent sources. 5 of 5 configured evaluation feeds currently have results.
- Best LLM for Roleplay & CharacterEstablished evidence
100% of intended weighted task evidence across 2 independent sources. 5 of 5 configured evaluation feeds currently have results.
- Best LLM for Math & ReasoningEstablished evidence
100% of intended weighted task evidence across 2 independent sources. 5 of 5 configured evaluation feeds currently have results.
- Best LLM for a General AssistantEstablished evidence
100% of intended weighted task evidence across 2 independent sources. 5 of 5 configured evaluation feeds currently have results.
- Best LLM for Code CompletionEstablished evidence
81% of intended weighted task evidence across 2 independent sources. 4 of 4 configured evaluation feeds currently have results.
- Best Open-Weight LLM for Self-HostingEstablished evidence
67% of intended weighted task evidence across 2 independent sources. 3 of 4 configured evaluation feeds currently have results.
- Best LLM for Fast SummariesEstablished evidence
64% of intended weighted task evidence across 2 independent sources. 3 of 4 configured evaluation feeds currently have results.
- Best Value LLMEstablished evidence
64% of intended weighted task evidence across 2 independent sources. 3 of 4 configured evaluation feeds currently have results.
- Best LLM for CodingProvisional evidence
58% of intended weighted task evidence across 3 independent sources; broader independent confirmation is still missing from Aider Polyglot or SWE-bench Verified. 8 of 8 configured evaluation feeds currently have results.
- Best LLM for Literary TranslationProvisional evidence
55% of intended weighted task evidence across 2 independent sources; broader independent confirmation is still missing from WMT translation. 4 of 5 configured evaluation feeds currently have results.
- Best LLM for Everyday TranslationProvisional evidence
55% of intended weighted task evidence across 2 independent sources; broader independent confirmation is still missing from WMT translation. 4 of 5 configured evaluation feeds currently have results.
- Best LLM for TranslationProvisional evidence
55% of intended weighted task evidence across 2 independent sources; broader independent confirmation is still missing from WMT translation. 4 of 5 configured evaluation feeds currently have results.
- Best Cheap LLM for High VolumeProvisional evidence
50% of intended weighted task evidence across 2 independent sources; broader independent confirmation is still missing from Route reliability. 3 of 4 configured evaluation feeds currently have results.
- Cheapest Capable LLMProvisional evidence
50% of intended weighted task evidence across 2 independent sources; broader independent confirmation is still missing from Route reliability. 3 of 4 configured evaluation feeds currently have results.
- Best Local LLM for CodingProvisional evidence
50% of intended weighted task evidence across 2 independent sources; broader independent confirmation is still missing from Aider Polyglot or SWE-rebench. 5 of 5 configured evaluation feeds currently have results.
- Best LLM for Debugging & Code ReviewProvisional evidence
40% of intended weighted task evidence across 2 independent sources; broader independent confirmation is still missing from Aider Polyglot or SWE-bench Verified. 6 of 6 configured evaluation feeds currently have results.
- Best LLM for Document SummarizationProvisional evidence
40% of intended weighted task evidence across 2 independent sources; broader independent confirmation is still missing from FACTS Grounding or LMArena Document. 4 of 6 configured evaluation feeds currently have results.
- Best LLM for SummarizationProvisional evidence
40% of intended weighted task evidence across 2 independent sources; broader independent confirmation is still missing from FACTS Grounding or LMArena Document. 4 of 6 configured evaluation feeds currently have results.
- Best LLM for JSON & Schema OutputProvisional evidence
39% of intended weighted task evidence across 2 independent sources; broader independent confirmation is still missing from Berkeley Function Calling or Structured-output eval. 4 of 5 configured evaluation feeds currently have results.
- Best LLM for Structured Data ExtractionProvisional evidence
39% of intended weighted task evidence across 2 independent sources; broader independent confirmation is still missing from Berkeley Function Calling or Structured-output eval. 4 of 5 configured evaluation feeds currently have results.
- Best LLM for Hermes AgentProvisional evidence
33% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from Berkeley Function Calling or SWE-rebench. 5 of 5 configured evaluation feeds currently have results.
- Best LLM for OpenHandsProvisional evidence
33% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from Berkeley Function Calling or SWE-rebench. 5 of 5 configured evaluation feeds currently have results.
- Best LLM for GooseProvisional evidence
33% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from Berkeley Function Calling or SWE-rebench. 5 of 5 configured evaluation feeds currently have results.
- Best LLM for OpenClawProvisional evidence
33% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from Berkeley Function Calling or SWE-rebench. 5 of 5 configured evaluation feeds currently have results.
- Best LLM for High-Volume ExtractionProvisional evidence
31% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from Route reliability or Structured-output eval. 2 of 4 configured evaluation feeds currently have results.
- Best LLM for Agentic CodingProvisional evidence
28% of intended weighted task evidence across 2 independent sources; broader independent confirmation is still missing from Design Arena Full-stack or Design Arena Web-apps. 8 of 8 configured evaluation feeds currently have results.
- Best LLM for AI AgentsProvisional evidence
27% of intended weighted task evidence across 2 independent sources; broader independent confirmation is still missing from Berkeley Function Calling or OSWorld Verified. 7 of 7 configured evaluation feeds currently have results.
- Best LLM for Tool & Function CallingProvisional evidence
25% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from Berkeley Function Calling or LMArena Search. 4 of 5 configured evaluation feeds currently have results.
- Best LLM for Autonomous AgentsProvisional evidence
25% of intended weighted task evidence across 2 independent sources; broader independent confirmation is still missing from Frontier-Bench or OSWorld Verified. 7 of 7 configured evaluation feeds currently have results.
- Best LLM for Massive ContextProvisional evidence
25% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from LMArena Document or LongBench v2. 3 of 4 configured evaluation feeds currently have results.
- Best LLM for Computer & Browser UseProvisional evidence
25% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from Berkeley Function Calling or OSWorld Verified. 4 of 4 configured evaluation feeds currently have results.
- Best LLM for Image UnderstandingProvisional evidence
20% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from LMArena Vision or VLMEvalKit tasks. 3 of 4 configured evaluation feeds currently have results.
- Best LLM for RAG & Long ContextProvisional evidence
18% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from FACTS Grounding or LMArena Document. 4 of 6 configured evaluation feeds currently have results.
- Best LLM for OCR & DocumentsProvisional evidence
10% of intended weighted task evidence across 0 independent sources; broader independent confirmation is still missing from LMArena Document or LMArena Vision. 3 of 5 configured evaluation feeds currently have results.
- Best LLM for Vision & DocumentsProvisional evidence
10% of intended weighted task evidence across 0 independent sources; broader independent confirmation is still missing from LMArena Document or LMArena Vision. 3 of 5 configured evaluation feeds currently have results.
- Best LLM for Grounded RAGProvisional evidence
10% of intended weighted task evidence across 0 independent sources; broader independent confirmation is still missing from CRAG or FACTS Grounding. 2 of 5 configured evaluation feeds currently have results.
- Best LLM for Charts & DiagramsProvisional evidence
10% of intended weighted task evidence across 0 independent sources; broader independent confirmation is still missing from LMArena Document or LMArena Vision. 3 of 5 configured evaluation feeds currently have results.
- Best LLM for Document ParsingProvisional evidence
10% of intended weighted task evidence across 0 independent sources; broader independent confirmation is still missing from LMArena Document or LMArena Vision. 3 of 5 configured evaluation feeds currently have results.
Recommendation coverage
Where this model appears
Catalog data via OpenRouter and models.dev. Last checked within the past 6 hours.