Inkling

Released
2026-07-15
Last refreshed
2026-07-15
Status
Researched 90d ago
Open sourceCommercial use: permittedMultimodalRAGAgentsLong contextVisionJSON / Tool use
Thinking Machines Lab releases · 2 in the last 12 monthsChangelog →
Specifications
Family
Inkling
Released
2026-07-15
Context
1M
Parameters
975B total, 41B active
Architecture
Mixture of Experts
Specialization
general
Openness
Open source
License
Apache 2.0OSI-approvedCommercial use: permitted
Weights
Available
Code
Unknown
Training
Pretrained
Created by

Building collaborative AI aligned with human values.

San Francisco, California, United States
Founded 2025
Website
Pricing
Output / 1M
$4.05
Input / 1M
$1.00

Cheapest of 3 routes · Baseten API · cache read $0.170

About

Inkling is Thinking Machines Lab's Apache-2.0 open-weight general-purpose multimodal model. It accepts text, image, and audio inputs and generates text with a 1M-token context window.

Providers(3)

Compare all 3

Compare API pricing across 3 tracked provider routes for input and output tokens, batch, and cached reads when available.

ProviderInput / 1MOutput / 1MCacheRoute
Baseten API$1.00$4.05read $0.170
ServerlessProvisioned
OpenRouter$1.00$4.05read $0.170
Serverless
Tinker$1.87$4.68read $0.374

Capabilities

VisionMultimodalReasoningJSON / Tool useAudioFine-tuning

Benchmark peer barsfor RAG

No task-mapped benchmark peers are available for this model yet.

Benchmark scores(3)

Scores are benchmark-specific and are direction-aware: the same numeric gap can mean very different outcomes across suites. Use the leaderboard context and this model's provider route to decide whether the winning margin is meaningful for your workload.
BenchmarkScoreVersionEvaluationSource
FrontierMath Tier 44.9FrontierMath Tier 4 v2 (private)Observed 2026-08-06
Configuration: Inkling (Extra High)
Harness: Epoch AI FrontierMath Tier 4 v2 private set
Evaluator: Epoch AI
Confidence: confirmed
Notes: Epoch AI-run evaluation (evaluator of record), from Epoch AI Benchmarking Hub data download https://epoch.ai/data/benchmark_data.zip (file frontiermath_tier_4_v2.csv, row 'Inkling_xhigh', run started 2026-08-06). Epoch data is CC BY 4.0: credit 'Epoch AI, Capabilities & benchmarking, https://epoch.ai/benchmarks'. Highest-scoring Epoch configuration for this model selected; other configurations exist in the same file. Discovered via Benchmark Heaven (lead only).
Source
Google-Proof Q&A88.3diamondObserved 2026-08-05
Configuration: Inkling (Extra High)
Harness: Epoch AI Inspect harness (GPQA Diamond, 198 Q)
Evaluator: Epoch AI
Confidence: confirmed
Notes: Epoch AI-run evaluation (evaluator of record), from Epoch AI Benchmarking Hub data download https://epoch.ai/data/benchmark_data.zip (file gpqa_diamond.csv, row 'Inkling_xhigh', run started 2026-08-05). Epoch data is CC BY 4.0: credit 'Epoch AI, Capabilities & benchmarking, https://epoch.ai/benchmarks'. Highest-scoring Epoch configuration for this model selected; other configurations exist in the same file. Discovered via Benchmark Heaven (lead only).
Source
ARC-AGI-236.5ARC-AGI-2 semi-privateObserved 2026-10-01
Configuration: Inkling (single reported configuration)
Harness: ARC Prize semi-private evaluation
Evaluator: ARC Prize Foundation
Confidence: confirmed
Notes: ARC Prize official leaderboard data, verified in https://arcprize.org/media/data/leaderboard/v2.json (generatedAt 2026-10-01T18:51Z) modelDisplayName 'Inkling' score 0.36528 (no effort label published). Discovered via Benchmark Heaven / Epoch AI mirror (lead only).
Source

Migration checks

No linked migration route is available for this model yet.

API versions

thinkingmachines/Inkling

Rankings & picks(1)