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Model comparison

Inkling vs Solar Pro 2

Data verified

Head-to-head evidence from 9 shared benchmark results across 3 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.

Thinking Machines Lab
72/100
Margin
31.0pts
← winning
41.02/100
0 category wins0 category wins

Verified leaderboard positions: Inkling #17; Solar Pro 2 unranked

BenchAlign evidence: Inkling not scored; Solar Pro 2 estimated. Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.

Evidence parity. Inkling and Solar Pro 2 share 9 comparable benchmark results. 0 of 8 categories are comparable. 23 results are unique to Inkling; 3 to Solar Pro 2.

Updated July 16, 2026
Shared results
9
Inkling only
23
Solar Pro 2 only
3
Comparable categories
0 / 8

Benchmark data for Inkling and Solar Pro 2 is coming soon on BenchLM.

Confidence note. This is a partial-evidence comparison with 9 shared benchmark results across 3 evidence categories; 0 of 8 categories currently have scoreable aggregates for both models. Treat the verdict as directional until coverage is more balanced.

Why this result

BenchLM has partial data for these models, but not enough overlapping benchmark coverage to produce a fair score-level comparison yet.

Inkling has the larger context window at 1M, compared with 128K for Solar Pro 2.

Category breakdown

Exact category averages are shown below. Not measured means BenchLM does not have enough sourced public coverage for that model and category.

Category scores and score margins for Inkling and Solar Pro 2
CategoryInklingΔSolar Pro 2
AgenticInkling69.4MarginNo overlapSolar Pro 2Not measured
CodingInkling68.6MarginNo overlapSolar Pro 2Not measured
KnowledgeInkling51.7MarginNo overlapSolar Pro 2Not measured
MathInkling97.1MarginNo overlapSolar Pro 2Not measured
MultimodalInkling76.5MarginNo overlapSolar Pro 2Not measured
Inst. FollowingInkling79.8MarginNo overlapSolar Pro 2Not measured

Operational comparison

Runtime and commercial metrics are compared only when both models have a complete sourced value.

MetricInklingSolar Pro 2Comparison
Input / output priceUSD per 1M tokensInkling$1.87 input / $4.68 outputSolar Pro 2Not availableA complete price comparison is not available.
Generation speedtokens per secondInklingNot availableSolar Pro 2Not availableA complete speed comparison is not available.
First-answer latencyseconds to first tokenInklingNot availableSolar Pro 2Not availableA complete latency comparison is not available.
Context windowmaximum listed tokensInkling1MSolar Pro 2128KInkling lists the larger context window.

Benchmark Deep Dive

Agentic
BenchmarkInklingSolar Pro 2Result
Terminal-Bench 2.0Source 63.8%Not comparable
BrowseCompSource 77.1%Not comparable
MCP AtlasSource 74.1%Not comparable
Design Arena Agentic Web DevSource 1258Not comparable
AA Agentic IndexSource 32.3%Not comparable
GDPval-AASource 36.9%Not comparable
GDPval-AASource 1239Not comparable
AA BriefcaseSource 836Not comparable
AA Tau3 BankingSource 23.7%Not comparable
τ²-bench resultsSource 31.9%Not comparable
Coding
BenchmarkInklingSolar Pro 2Result
SWE-bench VerifiedSource 77.6%Not comparable
SWE-bench ProSource 54.3%Not comparable
Terminal-Bench 2.0Source 63.8%Not comparable
AA Coding IndexSource 52.1%Not comparable
AA-SciCodeSource 46.1%24.8%Inkling leads
Terminal-Bench HardSource 4.5%Not comparable
Reasoning
BenchmarkInklingSolar Pro 2Result
AA-LCRSource 63.3%0.0%Inkling leads
CritPtSource 5.4%0.0%Inkling leads
Knowledge
BenchmarkInklingSolar Pro 2Result
GPQASource 87.9%Not comparable
GPQA-DSource 87.9%Not comparable
HLESource 46%Not comparable
HLE w/o toolsSource 30%Not comparable
Artificial Analysis Intelligence IndexSource 40.7%7.8%Inkling leads
AA-GPQA DiamondSource 87.2%56.1%Inkling leads
AA-HLESource 29.7%3.8%Inkling leads
AA-Omniscience IndexSource 2.1%-61.7%Inkling leads
AA-Omniscience AccuracySource 40.0%15.6%Inkling leads
AA-Omniscience Hallucination RateSource 63.1%91.5%Inkling leads
Math
BenchmarkInklingSolar Pro 2Result
AIME26Source 97.1%Not comparable
Multimodal
BenchmarkInklingSolar Pro 2Result
MMMU-ProSource 73.5%Not comparable
CharXivSource 82%Not comparable
CharXiv w/o toolsSource 78.1%Not comparable
AA-MMMU-ProSource 73.5%Not comparable
Inst. Following
BenchmarkInklingSolar Pro 2Result
IFBenchSource 79.8%Not comparable
AA-IFBenchSource 33.7%Not comparable
Frequently Asked Questions (3)

Can I compare Inkling and Solar Pro 2 on BenchLM yet?

Not fully yet. BenchLM is tracking both models, but the sourced benchmark breakdown for this comparison is still coming soon.

Why does this comparison show “coming soon”?

BenchLM only shows category winners and benchmark-level calls when we have sourced results that can be compared fairly. For these models, the public benchmark coverage is not complete enough yet.

What data is available for Inkling and Solar Pro 2 today?

Inkling: $1.87 input / $4.68 output per 1M tokens Both model pages still include creator, context window, reasoning mode, and other metadata while benchmark coverage fills in.

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Last updated: July 16, 2026

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