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Comparison of sonar, Together: Tev1 4B Experimental, Reflection: Beam 1.0 501B A23B
3 modelsUnknownsonarRemove ×togethercomputerTogether: Tev1 4B ExperimentalRemove ×reflectionReflection: Beam 1.0 501B A23BRemove ×
What’s different127.1K context · 114.4K max outputTev1 4B Experimental is an experimental decision model from Together AI, a supervised fine-tune of Qwen3.5-4B trained to choose one option from a structured state, question, and list of 2-24...Apache-2.0 text model with 501B total and 23B active parameters; ships BF16, FP8 and NVFP4 weights.
DateOct 16, 2026DiscoveredSep 30, 2026ListedOct 16, 2026Released
Listed rate$1.00 in / $1.00 out/ 1M tokensExperiential · all routes ↗Standard list rate$0.042 in / $0.00 out/ 1M tokensOpenRouter · all routes ↗$0.25 in / $1.00 out/ 1M tokensNebius · via OpenRouter · all routes ↗nebius/fp8 · quantization=fp8
Provider endpoints1 endpoint →1 endpoint →5 endpoints →
AA Intelligence ↗4.3.2Not reportedNot reported30.33 ↗Effort not specifiedIndependent result
AA-Briefcase ↗1.1Not reportedNot reported976.2 ↗Effort not specifiedIndependent result
GDPval-AA ↗2.1Not reportedNot reported1,177.08 ↗Effort not specifiedIndependent result
AutomationBench-AA ↗AA Index 4.3.2 collectionNot reportedNot reported48.46% ↗Effort not specifiedIndependent result
Terminal-Bench 4.0 · AA ↗Not reportedNot reported3.03% ↗Effort not specifiedHarness unreportedIndependent result
SciCode ↗AA Index 4.3.2 collectionNot reportedNot reported48.5% ↗AA · Under reviewEffort not specifiedIndependent result
Humanity’s Last Exam ↗AA Index 4.3.2 collectionNot reportedNot reported34.66% ↗Effort not specifiedIndependent result
GDP.pdf ↗AA Index 4.3.2 collectionNot reportedNot reported11.6% ↗Effort not specifiedIndependent result
CritPt ↗AA Index 4.3.2 collectionNot reportedNot reported13.14% ↗AA · Under reviewEffort not specifiedIndependent result
AA-Omniscience ↗AA Index 4.3.2 collectionNot reportedNot reported1.5 ↗Effort not specifiedIndependent result
AA-LCR ↗1.1Not reportedNot reported78% ↗Effort not specifiedIndependent result
LiveBench ↗2.0 · 2026-10-14 (dataset 2026-09-02)Not reportedNot reported55.5% ↗Effort: max · single run · equal mean of 7 suitesIndependent result
LiveBench Design ↗2.0 · 2026-10-14 (dataset 2026-09-02)Not reportedNot reported67.9% ↗Effort: max · single runIndependent result
LiveBench Research ↗2.0 · 2026-10-14 (dataset 2026-09-02)Not reportedNot reported72.8% ↗Effort: max · single runIndependent result
LiveBench Browser Use ↗2.0 · 2026-10-14 (dataset 2026-09-02)Not reportedNot reported0% ↗Effort: max · single runIndependent result
LiveBench Coding ↗2.0 · 2026-10-14 (dataset 2026-09-02)Not reportedNot reported83.9% ↗Effort: max · single runIndependent result
LiveBench Agentic ↗2.0 · 2026-10-14 (dataset 2026-09-02)Not reportedNot reported17.3% ↗Effort: max · single runIndependent result
LiveBench Data Analysis ↗2.0 · 2026-10-14 (dataset 2026-09-02)Not reportedNot reported66.4% ↗Effort: max · single runIndependent result
LiveBench Reasoning ↗2.0 · 2026-10-14 (dataset 2026-09-02)Not reportedNot reported80.2% ↗Effort: max · single runIndependent result
Context window127.1K32.8K1M
Max output114.4K8943.7K
Parameters—4B501B
Tool callingNot reportedNot reportedSupported
Structured outputNot reportedNot reportedSupported
ReasoningNot reportedNot reportedSupported
Prompt cachingNot reportedNot reportedSupported
Open weightsNot reportedSupportedSupported

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