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Official vendor benches · independent evaluators · OpenRouter pricing

Model profilesv 3420e01

Spark-X2.6-4B

Explore Spark-X2.6-4B from SparkLLM: published specifications, source-linked vendor benchmarks, independent evaluator coverage and recorded pricing when available.

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Pricing · OpenRouter

No OpenRouter pricing is recorded for this model. Missing rates are not free.

Official / vendor benchmarks

Default headline records. Own-vendor, peer-vendor and third-party provenance remain visible in evidence; configurations may differ.

Official / vendor headline scores; expand evidence for every record
Benchmark / evaluatorHeadline scoreEvidence
Average of 30 benchmarks (SparkLLM)63.3 scorehigh effort
All 1 recorded result & sources

63.3 score · raw 63.3 score

Headline · high effort · Own vendor

Source/record date: 2026-10-20

Harness: SparkLLM own run at thinking high per its card, temperature 1.0, top_p 0.95; exact label “Average” in the card figure. Self-reported; run date unpublished.

https://huggingface.co/XHToken/Spark-X2.6-4B/resolve/aa074aa851209a683aeaf5f99a8e25a642d94541/images/all_benchmark.svg
BFCL v4 (overall)71.8%high effort
All 1 recorded result & sources

71.8% · raw 71.8 %

Headline · high effort · Own vendor

Source/record date: 2026-10-20

Harness: SparkLLM own run at thinking high per its card, temperature 1.0, top_p 0.95; exact label “BFCL-V4” in the card figure. Self-reported; run date unpublished.

https://huggingface.co/XHToken/Spark-X2.6-4B/resolve/aa074aa851209a683aeaf5f99a8e25a642d94541/images/all_benchmark.svg
τ²-bench (Tau-2)86.9%high effort
All 1 recorded result & sources

86.9% · raw 86.9 %

Headline · high effort · Own vendor

Source/record date: 2026-10-20

Harness: SparkLLM own run at thinking high per its card, temperature 1.0, top_p 0.95; exact label “τ²-bench” in the card figure. Self-reported; run date unpublished.

https://huggingface.co/XHToken/Spark-X2.6-4B/resolve/aa074aa851209a683aeaf5f99a8e25a642d94541/images/all_benchmark.svg
τ³-bench Banking34.7%high effort
All 1 recorded result & sources

34.7% · raw 34.7 %

Headline · high effort · Own vendor

Source/record date: 2026-10-20

Harness: SparkLLM own run at thinking high per its card, temperature 1.0, top_p 0.95; exact label “τ³-bench” in the card figure. Self-reported; run date unpublished. The 4B figure labels this τ³-bench; the 1.7B figure labels it τ³-bench Banking with the same 4B reference value.

https://huggingface.co/XHToken/Spark-X2.6-4B/resolve/aa074aa851209a683aeaf5f99a8e25a642d94541/images/all_benchmark.svg
VitaBench 2.0 (SparkLLM)30.8%high effort
All 1 recorded result & sources

30.8% · raw 30.8 %

Headline · high effort · Own vendor

Source/record date: 2026-10-20

Harness: SparkLLM own run at thinking high per its card, temperature 1.0, top_p 0.95; exact label “VitaBench2.0” in the card figure. Self-reported; run date unpublished.

https://huggingface.co/XHToken/Spark-X2.6-4B/resolve/aa074aa851209a683aeaf5f99a8e25a642d94541/images/all_benchmark.svg
MCP Atlas62.4%high effort
All 1 recorded result & sources

62.4% · raw 62.4 %

Headline · high effort · Own vendor

Source/record date: 2026-10-20

Harness: SparkLLM own run at thinking high per its card, temperature 1.0, top_p 0.95; exact label “MCP-Atlas” in the card figure. Self-reported; run date unpublished.

https://huggingface.co/XHToken/Spark-X2.6-4B/resolve/aa074aa851209a683aeaf5f99a8e25a642d94541/images/all_benchmark.svg
EnterpriseOps-Gym (SparkLLM; run unspecified)33.6%high effort
All 1 recorded result & sources

33.6% · raw 33.6 %

Headline · high effort · Own vendor

Source/record date: 2026-10-20

Harness: SparkLLM own run at thinking high per its card, temperature 1.0, top_p 0.95; exact label “EnterpriseOps-Gym” in the card figure. Self-reported; run date unpublished.

https://huggingface.co/XHToken/Spark-X2.6-4B/resolve/aa074aa851209a683aeaf5f99a8e25a642d94541/images/all_benchmark.svg
ClawEval-EN (SparkLLM)69.9%high effort
All 1 recorded result & sources

69.9% · raw 69.9 %

Headline · high effort · Own vendor

Source/record date: 2026-10-20

Harness: SparkLLM own run at thinking high per its card, temperature 1.0, top_p 0.95; exact label “ClawEval-EN” in the card figure. Self-reported; run date unpublished.

https://huggingface.co/XHToken/Spark-X2.6-4B/resolve/aa074aa851209a683aeaf5f99a8e25a642d94541/images/all_benchmark.svg
BrowseComp53.1%high effort
All 1 recorded result & sources

53.1% · raw 53.1 %

Headline · high effort · Own vendor

Source/record date: 2026-10-20

Harness: SparkLLM own run at thinking high per its card, temperature 1.0, top_p 0.95; exact label “BrowseComp” in the card figure. Self-reported; run date unpublished.

https://huggingface.co/XHToken/Spark-X2.6-4B/resolve/aa074aa851209a683aeaf5f99a8e25a642d94541/images/all_benchmark.svg
SWebBench (SparkLLM in-house)71.7%high effort
All 1 recorded result & sources

71.7% · raw 71.7 %

Headline · high effort · Own vendor

Source/record date: 2026-10-20

Harness: SparkLLM own run at thinking high per its card, temperature 1.0, top_p 0.95; exact label “SWebBench” in the card figure. Self-reported; run date unpublished.

https://huggingface.co/XHToken/Spark-X2.6-4B/resolve/aa074aa851209a683aeaf5f99a8e25a642d94541/images/all_benchmark.svg
PAgentBench (SparkLLM in-house)74.1%high effort
All 1 recorded result & sources

74.1% · raw 74.1 %

Headline · high effort · Own vendor

Source/record date: 2026-10-20

Harness: SparkLLM own run at thinking high per its card, temperature 1.0, top_p 0.95; exact label “PAgentBench” in the card figure. Self-reported; run date unpublished.

https://huggingface.co/XHToken/Spark-X2.6-4B/resolve/aa074aa851209a683aeaf5f99a8e25a642d94541/images/all_benchmark.svg
SWE-bench Pro (revision unspecified)54.3%high effort
All 1 recorded result & sources

54.3% · raw 54.3 %

Headline · high effort · Own vendor

Source/record date: 2026-10-20

Harness: SparkLLM own run at thinking high per its card, temperature 1.0, top_p 0.95; exact label “SWE Pro” in the card figure. Self-reported; run date unpublished.

https://huggingface.co/XHToken/Spark-X2.6-4B/resolve/aa074aa851209a683aeaf5f99a8e25a642d94541/images/all_benchmark.svg
SWE-bench Verified62.8%high effort
All 1 recorded result & sources

62.8% · raw 62.8 %

Headline · high effort · Own vendor

Source/record date: 2026-10-20

Harness: SparkLLM own run at thinking high per its card, temperature 1.0, top_p 0.95; exact label “SWE Verified” in the card figure. Self-reported; run date unpublished.

https://huggingface.co/XHToken/Spark-X2.6-4B/resolve/aa074aa851209a683aeaf5f99a8e25a642d94541/images/all_benchmark.svg
SWE-bench Multilingual64.7%high effort
All 1 recorded result & sources

64.7% · raw 64.7 %

Headline · high effort · Own vendor

Source/record date: 2026-10-20

Harness: SparkLLM own run at thinking high per its card, temperature 1.0, top_p 0.95; exact label “SWE Multilingual” in the card figure. Self-reported; run date unpublished.

https://huggingface.co/XHToken/Spark-X2.6-4B/resolve/aa074aa851209a683aeaf5f99a8e25a642d94541/images/all_benchmark.svg
SciCode (SparkLLM; setup unspecified)36.8%high effort
All 1 recorded result & sources

36.8% · raw 36.8 %

Headline · high effort · Own vendor

Source/record date: 2026-10-20

Harness: SparkLLM own run at thinking high per its card, temperature 1.0, top_p 0.95; exact label “SciCode” in the card figure. Self-reported; run date unpublished.

https://huggingface.co/XHToken/Spark-X2.6-4B/resolve/aa074aa851209a683aeaf5f99a8e25a642d94541/images/all_benchmark.svg
Gaokao Math 2026 (SparkLLM, five papers out of 150)134.9 pointshigh effort
All 1 recorded result & sources

134.9 points · raw 134.9 points

Headline · high effort · Own vendor

Source/record date: 2026-10-20

Harness: SparkLLM own run at thinking high per its card, temperature 1.0, top_p 0.95; exact label “Gaokao 2026” in the card figure. Self-reported; run date unpublished.

https://huggingface.co/XHToken/Spark-X2.6-4B/resolve/aa074aa851209a683aeaf5f99a8e25a642d94541/images/all_benchmark.svg
AIME 202691.2%high effort
All 1 recorded result & sources

91.2% · raw 91.2 %

Headline · high effort · Own vendor

Source/record date: 2026-10-20

Harness: SparkLLM own run at thinking high per its card, temperature 1.0, top_p 0.95; exact label “AIME 2026” in the card figure. Self-reported; run date unpublished.

https://huggingface.co/XHToken/Spark-X2.6-4B/resolve/aa074aa851209a683aeaf5f99a8e25a642d94541/images/all_benchmark.svg
HMMT February 202681.3%high effort
All 1 recorded result & sources

81.3% · raw 81.3 %

Headline · high effort · Own vendor

Source/record date: 2026-10-20

Harness: SparkLLM own run at thinking high per its card, temperature 1.0, top_p 0.95; exact label “HMMT Feb 26” in the card figure. Self-reported; run date unpublished.

https://huggingface.co/XHToken/Spark-X2.6-4B/resolve/aa074aa851209a683aeaf5f99a8e25a642d94541/images/all_benchmark.svg
IMO-AnswerBench (SparkLLM)75.2%high effort
All 1 recorded result & sources

75.2% · raw 75.2 %

Headline · high effort · Own vendor

Source/record date: 2026-10-20

Harness: SparkLLM own run at thinking high per its card, temperature 1.0, top_p 0.95; exact label “IMO-AnswerBench” in the card figure. Self-reported; run date unpublished.

https://huggingface.co/XHToken/Spark-X2.6-4B/resolve/aa074aa851209a683aeaf5f99a8e25a642d94541/images/all_benchmark.svg
AA-LCR v1.167.3%high effort
All 1 recorded result & sources

67.3% · raw 67.3 %

Headline · high effort · Own vendor

Source/record date: 2026-10-20

Harness: SparkLLM own run at thinking high per its card, temperature 1.0, top_p 0.95; exact label “AA-LCRv1.1” in the card figure. Self-reported; run date unpublished.

https://huggingface.co/XHToken/Spark-X2.6-4B/resolve/aa074aa851209a683aeaf5f99a8e25a642d94541/images/all_benchmark.svg
LongBench v253.3%high effort
All 1 recorded result & sources

53.3% · raw 53.3 %

Headline · high effort · Own vendor

Source/record date: 2026-10-20

Harness: SparkLLM own run at thinking high per its card, temperature 1.0, top_p 0.95; exact label “LongBench v2” in the card figure. Self-reported; run date unpublished.

https://huggingface.co/XHToken/Spark-X2.6-4B/resolve/aa074aa851209a683aeaf5f99a8e25a642d94541/images/all_benchmark.svg
GraphWalks BFS F1 (256K context)92.2 f1high effort
All 1 recorded result & sources

92.2 f1 · raw 92.2 f1

Headline · high effort · Own vendor

Source/record date: 2026-10-20

Harness: SparkLLM own run at thinking high per its card, temperature 1.0, top_p 0.95; exact label “Graphwalks bfs 256k f1” in the card figure. Self-reported; run date unpublished. F1 on a 0–100 scale, as the figure prints it.

https://huggingface.co/XHToken/Spark-X2.6-4B/resolve/aa074aa851209a683aeaf5f99a8e25a642d94541/images/all_benchmark.svg
GraphWalks BFS F1 (1M context)34.2 f1high effort
All 1 recorded result & sources

34.2 f1 · raw 34.2 f1

Headline · high effort · Own vendor

Source/record date: 2026-10-20

Harness: SparkLLM own run at thinking high per its card, temperature 1.0, top_p 0.95; exact label “Graphwalks bfs 1m f1” in the card figure. Self-reported; run date unpublished. F1 on a 0–100 scale, as the figure prints it.

https://huggingface.co/XHToken/Spark-X2.6-4B/resolve/aa074aa851209a683aeaf5f99a8e25a642d94541/images/all_benchmark.svg
MRCR 256K–512K65.6%high effort
All 1 recorded result & sources

65.6% · raw 65.6 %

Headline · high effort · Own vendor

Source/record date: 2026-10-20

Harness: SparkLLM own run at thinking high per its card, temperature 1.0, top_p 0.95; exact label “Openai_MRCR v2 256k-512k” in the card figure. Self-reported; run date unpublished. Source label OpenAI MRCR v2; needle count unstated on the card.

https://huggingface.co/XHToken/Spark-X2.6-4B/resolve/aa074aa851209a683aeaf5f99a8e25a642d94541/images/all_benchmark.svg
MRCR 512K–1M26%high effort
All 1 recorded result & sources

26% · raw 26 %

Headline · high effort · Own vendor

Source/record date: 2026-10-20

Harness: SparkLLM own run at thinking high per its card, temperature 1.0, top_p 0.95; exact label “Openai_MRCR v2 512k-1M” in the card figure. Self-reported; run date unpublished. Source label OpenAI MRCR v2; needle count unstated on the card.

https://huggingface.co/XHToken/Spark-X2.6-4B/resolve/aa074aa851209a683aeaf5f99a8e25a642d94541/images/all_benchmark.svg
IFEval93.6%high effort
All 1 recorded result & sources

93.6% · raw 93.6 %

Headline · high effort · Own vendor

Source/record date: 2026-10-20

Harness: SparkLLM own run at thinking high per its card, temperature 1.0, top_p 0.95; exact label “IFEval” in the card figure. Self-reported; run date unpublished.

https://huggingface.co/XHToken/Spark-X2.6-4B/resolve/aa074aa851209a683aeaf5f99a8e25a642d94541/images/all_benchmark.svg
IFBench75.8%high effort
All 1 recorded result & sources

75.8% · raw 75.8 %

Headline · high effort · Own vendor

Source/record date: 2026-10-20

Harness: SparkLLM own run at thinking high per its card, temperature 1.0, top_p 0.95; exact label “IFBench” in the card figure. Self-reported; run date unpublished.

https://huggingface.co/XHToken/Spark-X2.6-4B/resolve/aa074aa851209a683aeaf5f99a8e25a642d94541/images/all_benchmark.svg
Humanity's Last Exam (no tools)17.9%high effort
All 1 recorded result & sources

17.9% · raw 17.9 %

Headline · high effort · Own vendor

Source/record date: 2026-10-20

Harness: SparkLLM own run at thinking high per its card, temperature 1.0, top_p 0.95; exact label “HLE(w/o tools)” in the card figure. Self-reported; run date unpublished.

https://huggingface.co/XHToken/Spark-X2.6-4B/resolve/aa074aa851209a683aeaf5f99a8e25a642d94541/images/all_benchmark.svg
Humanity's Last Exam (with tools)36.9%high effort
All 1 recorded result & sources

36.9% · raw 36.9 %

Headline · high effort · Own vendor

Source/record date: 2026-10-20

Harness: SparkLLM own run at thinking high per its card, temperature 1.0, top_p 0.95; exact label “HLE(w tools)” in the card figure. Self-reported; run date unpublished.

https://huggingface.co/XHToken/Spark-X2.6-4B/resolve/aa074aa851209a683aeaf5f99a8e25a642d94541/images/all_benchmark.svg
GPQA (SparkLLM; subset unstated)69.9%high effort
All 1 recorded result & sources

69.9% · raw 69.9 %

Headline · high effort · Own vendor

Source/record date: 2026-10-20

Harness: SparkLLM own run at thinking high per its card, temperature 1.0, top_p 0.95; exact label “GPQA” in the card figure. Self-reported; run date unpublished.

https://huggingface.co/XHToken/Spark-X2.6-4B/resolve/aa074aa851209a683aeaf5f99a8e25a642d94541/images/all_benchmark.svg
GPQA Diamond77.1%high effort
All 1 recorded result & sources

77.1% · raw 77.1 %

Headline · high effort · Own vendor

Source/record date: 2026-10-20

Harness: SparkLLM own run at thinking high per its card, temperature 1.0, top_p 0.95; exact label “GPQA Diamond” in the card figure. Self-reported; run date unpublished.

https://huggingface.co/XHToken/Spark-X2.6-4B/resolve/aa074aa851209a683aeaf5f99a8e25a642d94541/images/all_benchmark.svg

Independent evaluators

Evaluator harnesses are distinct from vendor measurements. Missing coverage is not a failed test.

No independent evaluator results are recorded for this model.

Read how we select and source scores or the comparison guide.