Coding work
Code generation, repair, and software-engineering tasks
Not enough matched evidence
Claude Mythos 5 is not ranked on the public lane for coding, so no winner is named for coding.
Confidence: limited
Claude Mythos 5 vs Nemotron 3.5 Lightning 30B A3B NVFP4
Updated September 24, 2026. We do not rank this pair: at least one has no public score. Public scores include evidence status and uncertainty.
Both of these models will change. Get the price, version and retirement notices for the pair, each with its source. Follow model changes
Share or export
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. 6 results are shared. Category rows resting on Estimated evidence or different benchmark sets are marked directional and do not name a winner.
Model B
NVIDIA
19.1/100
Estimated · Public rank #186
90% interval 9.2–29.0
- Shared results
- 6
- Claude Mythos 5 only
- 9
- Nemotron 3.5 Lightning 30B A3B NVFP4 only
- 7
- Like-for-like categories
- 0 / 8
Estimated: Nemotron 3.5 Lightning 30B A3B NVFP4How the comparison works
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.
No workload recommendation clears the current evidence threshold.
Use the matched evidence, workload costs, and sourced specifications below instead of treating a point score as a universal answer.
Show secondary and unsupported calls
Agentic work
Tool use, computer use, and multi-step task completion
Not enough matched evidence
Claude Mythos 5 is not ranked on the public lane for agentic, so no winner is named for agentic.
Confidence: limitedLong documents
Prompts that approach the documented context limit
No clear pick
The documented context windows are equal.
Confidence: documentedChat 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-ratesCache-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-ratesRepository 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
Which one for a specific job
Choose a job from the LLM Selector's task catalog to see the category row it rests on, under the same basis rules as the table below. A directional row stays directional; choosing a job never creates a winner.
The same task catalog as the LLM Selector. Each job names the evidence surface it rests on; nothing here adds a new score.
—Claude Mythos 511.4Nemotron 3.5 Lightning 30B A3B NVFP4
Not comparable · BenchAlign v5.7
The coding row is not comparable on the public lane: at least one model is not measured or not ranked there.
Coding scores combine specific tasks and setups. Match the editor, harness, and effort to your workflow.
Same basis rules as the category table below
What is actually comparable
Shared results can support a head-to-head reading. Results present for only one model describe coverage, not superiority.
9 Claude Mythos 5 only
6 Shared
7 Nemotron 3.5 Lightning 30B A3B NVFP4 only
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.
BrowseCompAgentic
Normalized gap 51.2Claude Mythos 5:88%Nemotron 3.5 Lightning 30B A3B NVFP4:36.8%HLE w/o toolsKnowledge
Normalized gap 48.5Claude Mythos 5:59%Nemotron 3.5 Lightning 30B A3B NVFP4:10.5%SWE-bench VerifiedCoding
Normalized gap 42.7Claude Mythos 5:95.5%Nemotron 3.5 Lightning 30B A3B NVFP4:52.8%GPQAKnowledge
Normalized gap 18.5Claude Mythos 5:94.1%Nemotron 3.5 Lightning 30B A3B NVFP4:75.6%
Bars run 0–100 on each benchmark’s normalized display scale
Category results, on a stated basis
Each row shows the public-lane category score for both models: the BenchAlign v5.7 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.
Agentic
Not comparable- Claude Mythos 5
- Not ranked
- Nemotron 3.5 Lightning 30B A3B NVFP4
- 7.3
- Estimated · #104/105
- Basis
- BenchAlign v5.7 lane · 4 vs 4 public rows
- Reading
- Not comparable
Coding
Not comparable- Claude Mythos 5
- Not ranked
- Nemotron 3.5 Lightning 30B A3B NVFP4
- 11.4
- Estimated · #135/135
- Basis
- BenchAlign v5.7 lane · 3 vs 4 public rows
- Reading
- Not comparable
Reasoning
Not comparable- Claude Mythos 5
- Not ranked
- Nemotron 3.5 Lightning 30B A3B NVFP4
- 55.9
- Unranked · 1 rankable row
- Basis
- Provisional lane · 0 vs 0 weighted rows
- Reading
- Not comparable
Multimodal
Not comparable- Claude Mythos 5
- 85.1
- Unranked · 3 rankable rows
- Nemotron 3.5 Lightning 30B A3B NVFP4
- Not ranked
- Basis
- Provisional lane · 1 vs 0 weighted rows
- Reading
- Not comparable
Knowledge
Not comparable- Claude Mythos 5
- Not ranked
- Nemotron 3.5 Lightning 30B A3B NVFP4
- 20.7
- Estimated · #154/158
- Basis
- BenchAlign v5.7 lane · 3 vs 4 public rows
- Reading
- Not comparable
Multilingual
Not comparable- Claude Mythos 5
- Not ranked
- Nemotron 3.5 Lightning 30B A3B NVFP4
- Not ranked
- Basis
- Provisional lane · 0 vs 0 weighted rows
- Reading
- Not comparable
Instruction following
Not comparable- Claude Mythos 5
- Not ranked
- Nemotron 3.5 Lightning 30B A3B NVFP4
- 68.5
- #67/124
- Basis
- Provisional lane · 0 vs 1 weighted rows
- Reading
- Not comparable
Math
Not comparable- Claude Mythos 5
- Not ranked
- Nemotron 3.5 Lightning 30B A3B NVFP4
- Not ranked
- Basis
- Provisional lane · 1 vs 0 weighted rows
- Reading
- Not comparable
| Category | Claude Mythos 5 | Nemotron 3.5 Lightning 30B A3B NVFP4 | Basis | Reading |
|---|---|---|---|---|
| Agentic | Not ranked | 7.3Estimated · #104/105 | Not comparableBenchAlign v5.7 lane · 4 vs 4 public rows | Not comparable |
| Coding | Not ranked | 11.4Estimated · #135/135 | Not comparableBenchAlign v5.7 lane · 3 vs 4 public rows | Not comparable |
| Reasoning | Not ranked | 55.9Unranked · 1 rankable row | Not comparableProvisional lane · 0 vs 0 weighted rows | Not comparable |
| Multimodal | 85.1Unranked · 3 rankable rows | Not ranked | Not comparableProvisional lane · 1 vs 0 weighted rows | Not comparable |
| Knowledge | Not ranked | 20.7Estimated · #154/158 | Not comparableBenchAlign v5.7 lane · 3 vs 4 public rows | Not comparable |
| Multilingual | Not ranked | Not ranked | Not comparableProvisional lane · 0 vs 0 weighted rows | Not comparable |
| Instruction following | Not ranked | 68.5#67/124 | Not comparableProvisional lane · 0 vs 1 weighted rows | Not comparable |
| Math | Not ranked | Not ranked | Not comparableProvisional lane · 1 vs 0 weighted rows | Not comparable |
Ranks count the models scored in each category’s lane, so the agentic, coding, and knowledge denominators (BenchAlign v5.7) differ from the provisional-lane categories. Unranked scores sit on the provisional lane’s scale but never name a winner. Like-for-like rows within 0.5 points read as a practical tie.
Bars run 0–100Methodology
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
- Claude Mythos 5
- $0.035
- Fits in one request
- Nemotron 3.5 Lightning 30B A3B NVFP4
- Self-hosted; infrastructure cost varies
- Fits in one request
Nemotron 3.5 Lightning 30B A3B NVFP4 has no comparable published API token rate.
Repository review
50K fresh input + 3K output tokens
- Claude Mythos 5
- $0.65
- Fits in one request
- Nemotron 3.5 Lightning 30B A3B NVFP4
- Self-hosted; infrastructure cost varies
- Fits in one request
Nemotron 3.5 Lightning 30B A3B NVFP4 has no comparable published API token rate.
Cache-heavy agent loop
200K cached + 20K fresh input + 10K output tokens
- Claude Mythos 5
- $0.9
- Fits in one request
- Nemotron 3.5 Lightning 30B A3B NVFP4
- Self-hosted; infrastructure cost varies
- Fits in one request
- Cached-input rate unavailable
Nemotron 3.5 Lightning 30B A3B NVFP4 has no comparable published API token rate.
Cached input falls back to the list input rate only where a cached rate is unpublished
Specification differences
Sourced differences are shown directly. Missing facts stay explicit instead of being inferred from a model name or family.
SpecificationClaude Mythos 5Nemotron 3.5 Lightning 30B A3B NVFP4
Context window
Maximum documented context; output-token limits may be lower.
Claude Mythos 5
Nemotron 3.5 Lightning 30B A3B NVFP4
API model ID
Claude Mythos 5
claude-mythos-5
Anthropic model overviewNemotron 3.5 Lightning 30B A3B NVFP4
Not sourced
Cached-input rate
A missing cached-input rate falls back to the listed input rate only in the stated workload estimate.
Claude Mythos 5
$1 per 1M cached input tokens
Claude API pricingNemotron 3.5 Lightning 30B A3B NVFP4
No comparable hosted API rate
NVIDIA Nemotron 3.5 Lightning model cardDocumented inputs
Claude Mythos 5
text, image
Anthropic model overviewNemotron 3.5 Lightning 30B A3B NVFP4
Not sourced
Documented outputs
Claude Mythos 5
Nemotron 3.5 Lightning 30B A3B NVFP4
Not sourced
Provider availability
Claude Mythos 5
Limited Access · Claude API
Anthropic model overviewNemotron 3.5 Lightning 30B A3B NVFP4
Not sourced
Reasoning profile
Claude Mythos 5
Reasoning
Nemotron 3.5 Lightning 30B A3B NVFP4
Reasoning
Weight access
Claude Mythos 5
Proprietary
Nemotron 3.5 Lightning 30B A3B NVFP4
Open Weight
License
Claude Mythos 5
Proprietary
Nemotron 3.5 Lightning 30B A3B NVFP4
Open Weight
Release date
Claude Mythos 5
2026-06-09
Nemotron 3.5 Lightning 30B A3B NVFP4
2026-08-11
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
- Both models list 1M.
Run the same representative tasks against both endpoints before changing production traffic.
Questions
Which is better, Claude Mythos 5 or Nemotron 3.5 Lightning 30B A3B NVFP4?
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, Claude Mythos 5 or Nemotron 3.5 Lightning 30B A3B NVFP4?
Claude Mythos 5 is not ranked on the public lane for coding, so no winner is named for coding.
Which is better for agentic tasks, Claude Mythos 5 or Nemotron 3.5 Lightning 30B A3B NVFP4?
Claude Mythos 5 is not ranked on the public lane for agentic tasks, so no winner is named for agentic tasks.
Which costs less, Claude Mythos 5 or Nemotron 3.5 Lightning 30B A3B NVFP4?
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, Claude Mythos 5 or Nemotron 3.5 Lightning 30B A3B NVFP4?
Both models list the same context window, 1M.
Benchmark evidence
The full public result ledger is available for audit without forcing a wide desktop table onto a phone.
Browse raw public benchmark evidence22 rows
Agentic
Terminal-Bench 2.1
Claude Mythos 588.0%SourceNemotron 3.5 Lightning 30B A3B NVFP423.5%SourceClaude Mythos 5 leads this result
OSWorld-Verified
Claude Mythos 585%SourceNemotron 3.5 Lightning 30B A3B NVFP4—Not directly comparable
BrowseComp
Claude Mythos 588%SourceNemotron 3.5 Lightning 30B A3B NVFP436.8%SourceClaude Mythos 5 leads this result
CyberGym
Claude Mythos 583.8%SourceNemotron 3.5 Lightning 30B A3B NVFP4—Not directly comparable
PinchBench
Claude Mythos 5—Nemotron 3.5 Lightning 30B A3B NVFP483.4%SourceNot directly comparable
τ³-bench results
Claude Mythos 5—Nemotron 3.5 Lightning 30B A3B NVFP49.5%SourceNot directly comparable
Coding
SWE-bench Verified
Claude Mythos 595.5%SourceNemotron 3.5 Lightning 30B A3B NVFP452.8%SourceClaude Mythos 5 leads this result
SWE-bench Pro
Claude Mythos 580.3%SourceNemotron 3.5 Lightning 30B A3B NVFP4—Not directly comparable
Terminal-Bench 2.1
Claude Mythos 588.0%SourceNemotron 3.5 Lightning 30B A3B NVFP423.5%SourceClaude Mythos 5 leads this result
SWE Multilingual
Claude Mythos 5—Nemotron 3.5 Lightning 30B A3B NVFP436.5%SourceNot directly comparable
SciCode
Claude Mythos 5—Nemotron 3.5 Lightning 30B A3B NVFP431.4%SourceNot directly comparable
Multimodal
SWE-bench Multimodal
Claude Mythos 554.9%SourceNemotron 3.5 Lightning 30B A3B NVFP4—Not directly comparable
CharXiv
Claude Mythos 593.5%SourceNemotron 3.5 Lightning 30B A3B NVFP4—Not directly comparable
CharXiv w/o tools
Claude Mythos 588.9%SourceNemotron 3.5 Lightning 30B A3B NVFP4—Not directly comparable
Knowledge
GPQA
Claude Mythos 594.1%SourceNemotron 3.5 Lightning 30B A3B NVFP475.6%SourceClaude Mythos 5 leads this result
HLE
Claude Mythos 564.5%SourceNemotron 3.5 Lightning 30B A3B NVFP4—Not directly comparable
HLE w/o tools
Claude Mythos 559%SourceNemotron 3.5 Lightning 30B A3B NVFP410.5%SourceClaude Mythos 5 leads this result
GPQA-D
Claude Mythos 5—Nemotron 3.5 Lightning 30B A3B NVFP475.6%SourceNot directly comparable
MMLU-Pro
Claude Mythos 5—Nemotron 3.5 Lightning 30B A3B NVFP481.6%SourceNot directly comparable
Multilingual
SWE Multilingual
Claude Mythos 592.2%SourceNemotron 3.5 Lightning 30B A3B NVFP4—Not directly comparable
Instruction following
IFBench
Claude Mythos 5—Nemotron 3.5 Lightning 30B A3B NVFP472.9%SourceNot directly comparable
Math
USAMO 2026
Claude Mythos 597.6%SourceNemotron 3.5 Lightning 30B A3B NVFP4—Not directly comparable
22 public results · 6 shared
Watch Claude Mythos 5 vs Nemotron 3.5 Lightning 30B A3B NVFP4
One weekly email when material rank, price, or benchmark evidence changes make this matchup worth revisiting.
Read a sample issueJoin 2,000+ readers.
Last updated September 24, 2026