Agentic
Not comparable- Qwen3.8-27B
- 63.4
- Supported · #13/152
- Solar Open 2
- Not ranked
- Basis
- BenchAlign lane · 8 vs 3 public rows
- Reading
- Not comparable
Qwen3.8-27B vs Solar Open 2
Updated September 10, 2026. Public scores include evidence status and uncertainty. They are not guarantees for a specific workload.
Decision reading
At least one model is not scored in the current public ranking lane, so the page does not name an overall quality winner.
4 results are shared. Category rows resting on Estimated evidence or different benchmark sets are marked directional and do not name a winner.
Share or export
Which one for your work
Recommendations appear only when a shared evidence basis or an explicit operating constraint supports the call. Secondary and unsupported use cases stay disclosed below the initial list.
Long documents
Prompts that approach the documented context limit
Solar Open 2
Solar Open 2 has the larger documented context window.
Confidence: documented
Show secondary and unsupported calls
Coding work
Code generation, repair, and software-engineering tasks
Not enough matched evidence
Solar Open 2 is not ranked on the public lane for coding, so no winner is named for coding.
Confidence: limited
Agentic work
Tool use, computer use, and multi-step task completion
Not enough matched evidence
Solar Open 2 is not ranked on the public lane for agentic, so no winner is named for agentic.
Confidence: limited
Chat turn cost
1K fresh input + 500 output tokens
Not enough matched evidence
A complete comparable API-rate estimate is not available for both models.
Confidence: listed-rates
Cache-heavy agent loop cost
200K cached + 20K fresh input + 10K output tokens
Not enough matched evidence
A complete comparable API-rate estimate is not available for both models.
Confidence: listed-rates
Repository review cost
50K fresh input + 3K output tokens
Not enough matched evidence
A complete comparable API-rate estimate is not available for both models.
Confidence: listed-rates
What is actually comparable
Shared results can support a head-to-head reading. Results present for only one model describe coverage, not superiority.
29 Qwen3.8-27B only
4 Shared
7 Solar Open 2 only
- Shared results
- 4
- Qwen3.8-27B only
- 29
- Solar Open 2 only
- 7
- Like-for-like categories
- 0 / 8
Category results, on a stated basis
Each row shows the public-lane category score for both models: the BenchAlign lane for agentic, coding, and knowledge, and the weighted public rows elsewhere, with the same rank each model page reports. A row is like-for-like only when both scores rest on Supported evidence or the same weighted set. Directional and not-comparable rows remain visible, but they never receive a winner.
Coding
Not comparable- Qwen3.8-27B
- 53.9
- Supported · #43/151
- Solar Open 2
- Not ranked
- Basis
- BenchAlign lane · 8 vs 2 public rows
- Reading
- Not comparable
Reasoning
Not comparable- Qwen3.8-27B
- 77.4
- #7/20
- Solar Open 2
- Not ranked
- Basis
- Provisional lane · 0 vs 0 weighted rows
- Reading
- Not comparable
Knowledge
Not comparable- Qwen3.8-27B
- 54.1
- Supported · #58/183
- Solar Open 2
- Not ranked
- Basis
- BenchAlign lane · 6 vs 3 public rows
- Reading
- Not comparable
Math
Not comparable- Qwen3.8-27B
- Not ranked
- Solar Open 2
- Not ranked
- Basis
- Provisional lane · 0 vs 2 weighted rows
- Reading
- Not comparable
Multilingual
Not comparable- Qwen3.8-27B
- Not ranked
- Solar Open 2
- Not ranked
- Basis
- Provisional lane · 0 vs 0 weighted rows
- Reading
- Not comparable
Multimodal
Not comparable- Qwen3.8-27B
- 80.0
- #11/48
- Solar Open 2
- Not ranked
- Basis
- Provisional lane · 1 vs 0 weighted rows
- Reading
- Not comparable
Instruction following
Not comparable- Qwen3.8-27B
- 84.7
- #45/123
- Solar Open 2
- Not ranked
- Basis
- Provisional lane · 1 vs 1 weighted rows
- Reading
- Not comparable
| Category | Qwen3.8-27B | Solar Open 2 | Basis | Reading |
|---|---|---|---|---|
| Agentic | 63.4Supported · #13/152 | Not ranked | Not comparableBenchAlign lane · 8 vs 3 public rows | Not comparable |
| Coding | 53.9Supported · #43/151 | Not ranked | Not comparableBenchAlign lane · 8 vs 2 public rows | Not comparable |
| Reasoning | 77.4#7/20 | Not ranked | Not comparableProvisional lane · 0 vs 0 weighted rows | Not comparable |
| Knowledge | 54.1Supported · #58/183 | Not ranked | Not comparableBenchAlign lane · 6 vs 3 public rows | Not comparable |
| Math | Not ranked | Not ranked | Not comparableProvisional lane · 0 vs 2 weighted rows | Not comparable |
| Multilingual | Not ranked | Not ranked | Not comparableProvisional lane · 0 vs 0 weighted rows | Not comparable |
| Multimodal | 80.0#11/48 | Not ranked | Not comparableProvisional lane · 1 vs 0 weighted rows | Not comparable |
| Instruction following | 84.7#45/123 | Not ranked | Not comparableProvisional lane · 1 vs 1 weighted rows | Not comparable |
Ranks count the models scored in each category’s lane, so the agentic, coding, and knowledge denominators (BenchAlign) differ from the provisional-lane categories. Unranked scores sit on the lane’s scale but never name a winner. Like-for-like rows within 0.5 points read as a practical tie.
Shape of the matched evidence
Only shared public evidence is shown. Sparse evidence stays a ruled list rather than being closed into a radar shape.
Too few matched category axes support a radar. The ruled list below shows only shared benchmark results; positions use each benchmark’s normalized display scale when available.
HLE w/o tools
Knowledge
IFBench
Instruction following
What each workload costs
Three fixed token mixes turn per-token rates into comparable decisions. Each scenario states context fit and whether cached input had to fall back to the published list-input rate.
Chat turn
1K fresh input + 500 output tokens
- Qwen3.8-27B
- Self-hosted; infrastructure cost varies
- Fits in one request
- Solar Open 2
- Self-hosted; infrastructure cost varies
- Fits in one request
Qwen3.8-27B has no comparable published API token rate. Solar Open 2 has no comparable published API token rate.
Repository review
50K fresh input + 3K output tokens
- Qwen3.8-27B
- Self-hosted; infrastructure cost varies
- Fits in one request
- Solar Open 2
- Self-hosted; infrastructure cost varies
- Fits in one request
Qwen3.8-27B has no comparable published API token rate. Solar Open 2 has no comparable published API token rate.
Cache-heavy agent loop
200K cached + 20K fresh input + 10K output tokens
- Qwen3.8-27B
- Self-hosted; infrastructure cost varies
- Fits in one request
- Cached-input rate unavailable
- Solar Open 2
- Self-hosted; infrastructure cost varies
- Fits in one request
- Cached-input rate unavailable
Qwen3.8-27B has no comparable published API token rate. Solar Open 2 has no comparable published API token rate.
Specification differences
Sourced differences are shown directly. Missing facts stay explicit instead of being inferred from a model name or family.
SpecificationQwen3.8-27BSolar Open 2
Context window
Maximum documented context; output-token limits may be lower.
Qwen3.8-27B
Solar Open 2
API model ID
Qwen3.8-27B
Not sourced
Solar Open 2
upstage/Solar-Open2-250B
Upstage Solar Open 2 model cardCached-input rate
A missing cached-input rate falls back to the listed input rate only in the stated workload estimate.
Qwen3.8-27B
No comparable hosted API rate
Qwen3.8-27B model cardSolar Open 2
No comparable hosted API rate
Upstage Solar Open 2 model cardDocumented inputs
Qwen3.8-27B
Not sourced
Solar Open 2
Not sourced
Documented outputs
Qwen3.8-27B
Not sourced
Solar Open 2
Not sourced
Provider availability
Qwen3.8-27B
Not sourced
Solar Open 2
Not sourced
Reasoning profile
Qwen3.8-27B
Reasoning
Solar Open 2
Reasoning
Weight access
Qwen3.8-27B
Open Weight
Solar Open 2
Open Weight
License
Qwen3.8-27B
Open Weight
Solar Open 2
Open Weight
Release date
Qwen3.8-27B
2026-08-05
Solar Open 2
2026-07-22
If you already use one of these models
- Deployment change
- The models list different providers, so authentication, endpoint behavior, limits, and feature support may change.
- Quality signal
- At least one model is not scored in the current public ranking lane, so the page does not name an overall quality winner.
- Workload cost
- A complete comparable API-rate estimate is not available for both models.
- Context tradeoff
- Solar Open 2 has the larger documented window (1M).
Run the same representative tasks against both endpoints before changing production traffic.
Benchmark evidence
The full public result ledger is available for audit without forcing a wide desktop table onto a phone.
Browse raw public benchmark evidence40 rows
Agentic
Terminal-Bench 2.1
Qwen3.8-27B73.0%SourceSolar Open 2—Not directly comparable
CoWorkBench
Qwen3.8-27B70.7%SourceSolar Open 2—Not directly comparable
JobBench
Qwen3.8-27B33.4%SourceSolar Open 2—Not directly comparable
Agents' Last Exam
Qwen3.8-27B42.9%SourceSolar Open 2—Not directly comparable
OSWorld-Verified
Qwen3.8-27B84.3%SourceSolar Open 2—Not directly comparable
WebArena-Verified
Qwen3.8-27B64.8%SourceSolar Open 2—Not directly comparable
AndroidWorld
Qwen3.8-27B81.9%SourceSolar Open 2—Not directly comparable
Terminal-Bench 2.1 (Vals)
Qwen3.8-27B58.4%SourceSolar Open 2—Not directly comparable
terminalBenchHard
Qwen3.8-27B—Solar Open 228.3%SourceNot directly comparable
APEX-Agents
Qwen3.8-27B—Solar Open 216.6%SourceNot directly comparable
MCP Atlas
Qwen3.8-27B—Solar Open 258.2%SourceNot directly comparable
Coding
Terminal-Bench 2.1
Qwen3.8-27B73.0%SourceSolar Open 2—Not directly comparable
SWE-bench Pro
Qwen3.8-27B61.7%SourceSolar Open 2—Not directly comparable
NL2Repo
Qwen3.8-27B42.3%SourceSolar Open 2—Not directly comparable
DeepSWE
Qwen3.8-27B42.2%SourceSolar Open 2—Not directly comparable
LiveCodeBench v6
Qwen3.8-27B90.3%SourceSolar Open 292.4%SourceSolar Open 2 leads this result
VulcanBench v3
Qwen3.8-27B82.6%SourceSolar Open 2—Not directly comparable
LiveCodeBench (Vals)
Qwen3.8-27B84.0%SourceSolar Open 2—Not directly comparable
SWE-bench (Vals)
Qwen3.8-27B86.0%SourceSolar Open 2—Not directly comparable
SWE-bench Verified
Qwen3.8-27B—Solar Open 270.4%SourceNot directly comparable
Knowledge
GPQA
Qwen3.8-27B89.2%SourceSolar Open 2—Not directly comparable
GPQA-D
Qwen3.8-27B89.2%SourceSolar Open 286.3%SourceQwen3.8-27B leads this result
HLE
Qwen3.8-27B30.8%SourceSolar Open 2—Not directly comparable
HLE w/o tools
Qwen3.8-27B30.8%SourceSolar Open 228.8%SourceQwen3.8-27B leads this result
GPQA Diamond (Vals)
Qwen3.8-27B88.9%SourceSolar Open 2—Not directly comparable
MMLU-Pro (Vals)
Qwen3.8-27B84.3%SourceSolar Open 2—Not directly comparable
MMLU-Pro
Qwen3.8-27B—Solar Open 286.2%SourceNot directly comparable
Math
Multimodal
MathVision
Qwen3.8-27B90.0%SourceSolar Open 2—Not directly comparable
MathVision w/ Python
Qwen3.8-27B94.6%SourceSolar Open 2—Not directly comparable
BabyVision
Qwen3.8-27B65.7%SourceSolar Open 2—Not directly comparable
BabyVision w/ Python
Qwen3.8-27B85.6%SourceSolar Open 2—Not directly comparable
Vision2Web
Qwen3.8-27B62.9%SourceSolar Open 2—Not directly comparable
CharXiv w/o tools
Qwen3.8-27B83.7%SourceSolar Open 2—Not directly comparable
CharXiv
Qwen3.8-27B90.2%SourceSolar Open 2—Not directly comparable
OmniDocBench 1.5
Qwen3.8-27B91.1%SourceSolar Open 2—Not directly comparable
RealWorldQA
Qwen3.8-27B85.9%SourceSolar Open 2—Not directly comparable
ERQA
Qwen3.8-27B65.5%SourceSolar Open 2—Not directly comparable
Instruction following
Frequently asked questions
Which is better, Qwen3.8-27B or Solar Open 2?
At least one model is not scored in the current public ranking lane, so the page does not name an overall quality winner. The page therefore keeps the decision tied to the specific documented workload.
Which is better for coding, Qwen3.8-27B or Solar Open 2?
Solar Open 2 is not ranked on the public lane for coding, so no winner is named for coding.
Which is better for agentic tasks, Qwen3.8-27B or Solar Open 2?
Solar Open 2 is not ranked on the public lane for agentic tasks, so no winner is named for agentic tasks.
Which costs less, Qwen3.8-27B or Solar Open 2?
Both models do not have comparable published API token rates, so this page does not name a universal price winner.
Which has the larger context window, Qwen3.8-27B or Solar Open 2?
Solar Open 2 has the larger documented context window: 1M, compared with 262K.
Related comparisons
Last updated September 10, 2026
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