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Seed 1.6 Flash

ByteDanceEstablishedReleased Jun 1, 2025
Overall Score
Coming soon
Arena Elo
1158
Categories Ranked
0of 8
Price (1M tokens)
$ in / $ out
Speed
N/A
Context
256K
ProprietaryReasoning
Confidence
flash

BenchLM is tracking Seed 1.6 Flash, but sourced benchmark results are not published on the site yet. This page currently shows the model metadata we can verify now, and score-level benchmark coverage will appear once public evaluations land.

Seed 1.6 Flash is a proprietary model with a 256K token context window. It uses explicit chain-of-thought reasoning, which typically improves performance on math and complex reasoning tasks at the cost of higher latency and token usage.

Seed 1.6 Flash sits inside the Seed 1.6 family alongside Seed 1.6. This profile currently has 0 sourced benchmarks on BenchLM, so the benchmark sections below are intentionally marked as coming soon.

Ranking Distribution

Category rank across 8 benchmark categories — sorted by best rank

Category Performance

Scores across all benchmark categories (0-100 scale)

Category Breakdown

Agentic

54.6/ 100
Weight: 22%0 benchmarks
Terminal-Bench 2.0BrowseCompOSWorld-VerifiedGAIATAU-benchWebArena

Coding

27.1/ 100
Weight: 20%0 benchmarks
SWE-bench VerifiedLiveCodeBenchSWE-bench ProSWE-RebenchSciCode

Reasoning

68.4/ 100
Weight: 17%0 benchmarks
MuSRLongBench v2MRCRv2ARC-AGI-2

Knowledge

48.3/ 100
Weight: 12%0 benchmarks
GPQASuperGPQAMMLU-ProHLEFrontierScienceSimpleQA

Math

65.8/ 100
Weight: 5%0 benchmarks
AIME 2025BRUMO 2025MATH-500FrontierMath

Multilingual

72.8/ 100
Weight: 7%0 benchmarks
MGSMMMLU-ProX

Multimodal

73.2/ 100
Weight: 12%0 benchmarks
MMMU-ProOfficeQA ProCharXivCharXiv w/o tools

Inst. Following

81.0/ 100
Weight: 5%0 benchmarks
IFEvalIFBench

Chatbot Arena Performance

Text Overall1158

Benchmark Details

Only benchmark rows with an attached exact-source record are shown here. Source-unverified manual rows and generated rows are hidden from model pages.

Seed 1.6 Family

Flash

Canonical Entry

Seed 1.6

Frequently Asked Questions

How does Seed 1.6 Flash perform overall in AI benchmarks?

BenchLM is tracking Seed 1.6 Flash, but sourced benchmark coverage is still coming soon. We currently list its creator, model type, and context window while we wait for public benchmark results.

Which sibling models are related to Seed 1.6 Flash?

Seed 1.6 Flash belongs to the Seed 1.6 family. Related variants on BenchLM include Seed 1.6.

Does Seed 1.6 Flash have full benchmark coverage on BenchLM?

Not yet. Seed 1.6 Flash currently has 0 published benchmark scores out of the 178 benchmarks BenchLM tracks. BenchLM only exposes non-generated public benchmark rows, so missing categories stay blank until a sourced evaluation is available.

What is the context window size of Seed 1.6 Flash?

Seed 1.6 Flash has a context window of 256K, which determines how much text it can process in a single interaction.

Last updated: April 24, 2026 · Runtime metrics stay blank until BenchLM has a sourced snapshot.

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