Long documents
Prompts that approach the documented context limit
Claude Fable 5
Claude Fable 5 has the larger documented context window.
Confidence: documented
Claude Fable 5 vs Gemini 3.8 Flash-Lite TTS
Updated September 23, 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
The public evidence has no benchmark result shared by both models, so it does not support a quality verdict. Use the documented cost, context, and runtime rows instead. 0 results are shared. Category rows resting on Estimated evidence or different benchmark sets are marked directional and do not name a winner.
- Shared results
- 0
- Claude Fable 5 only
- 19
- Gemini 3.8 Flash-Lite TTS only
- 0
- Like-for-like categories
- 0 / 8
Supported: Claude Fable 5How 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.
Show secondary and unsupported calls
Coding work
Code generation, repair, and software-engineering tasks
Not enough matched evidence
Gemini 3.8 Flash-Lite TTS is not ranked on the public lane for coding, so no winner is named for coding.
Confidence: limitedAgentic work
Tool use, computer use, and multi-step task completion
Not enough matched evidence
Gemini 3.8 Flash-Lite TTS is not ranked on the public lane for agentic, so no winner is named for agentic.
Confidence: limitedChat 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
The page does not recommend a cost winner because at least one model cannot fit the stated workload in one request. Gemini 3.8 Flash-Lite TTS does not fit this workload in one request. Gemini 3.8 Flash-Lite TTS has no comparable published API token rate.
Confidence: listed-ratesRepository review cost
50K fresh input + 3K output tokens
Not enough matched evidence
The page does not recommend a cost winner because at least one model cannot fit the stated workload in one request. Gemini 3.8 Flash-Lite TTS does not fit this workload in one request. Gemini 3.8 Flash-Lite TTS has no comparable published API token rate.
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.
74.6Claude Fable 5—Gemini 3.8 Flash-Lite TTS
Not comparable · BenchAlign v5.6
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.
19 Claude Fable 5 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.
A shared-evidence shape is not available.
BenchLM does not draw a radar or infer missing axes when the matched evidence is too sparse.
Category results, on a stated basis
Each row shows the public-lane category score for both models: the BenchAlign v5.6 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 Fable 5
- 73.8
- Supported · #4/105
- Gemini 3.8 Flash-Lite TTS
- Not ranked
- Basis
- BenchAlign v5.6 lane · 5 vs 0 public rows
- Reading
- Not comparable
Coding
Not comparable- Claude Fable 5
- 74.6
- Supported · #3/135
- Gemini 3.8 Flash-Lite TTS
- Not ranked
- Basis
- BenchAlign v5.6 lane · 10 vs 0 public rows
- Reading
- Not comparable
Reasoning
Not comparable- Claude Fable 5
- 77.6
- Unranked · 2 rankable rows
- Gemini 3.8 Flash-Lite TTS
- Not ranked
- Basis
- Provisional lane · 0 vs 0 weighted rows
- Reading
- Not comparable
Multimodal
Not comparable- Claude Fable 5
- 62.6
- Unranked · 2 rankable rows
- Gemini 3.8 Flash-Lite TTS
- Not ranked
- Basis
- Provisional lane · 1 vs 0 weighted rows
- Reading
- Not comparable
Knowledge
Not comparable- Claude Fable 5
- 82.6
- Supported · #4/160
- Gemini 3.8 Flash-Lite TTS
- Not ranked
- Basis
- BenchAlign v5.6 lane · 2 vs 0 public rows
- Reading
- Not comparable
Multilingual
Not comparable- Claude Fable 5
- Not ranked
- Gemini 3.8 Flash-Lite TTS
- Not ranked
- Basis
- Provisional lane · 0 vs 0 weighted rows
- Reading
- Not comparable
Instruction following
Not comparable- Claude Fable 5
- 75.7
- #58/124
- Gemini 3.8 Flash-Lite TTS
- Not ranked
- Basis
- Provisional lane · 0 vs 0 weighted rows
- Reading
- Not comparable
Math
Not comparable- Claude Fable 5
- Not ranked
- Gemini 3.8 Flash-Lite TTS
- Not ranked
- Basis
- Provisional lane · 0 vs 0 weighted rows
- Reading
- Not comparable
| Category | Claude Fable 5 | Gemini 3.8 Flash-Lite TTS | Basis | Reading |
|---|---|---|---|---|
| Agentic | 73.8Supported · #4/105 | Not ranked | Not comparableBenchAlign v5.6 lane · 5 vs 0 public rows | Not comparable |
| Coding | 74.6Supported · #3/135 | Not ranked | Not comparableBenchAlign v5.6 lane · 10 vs 0 public rows | Not comparable |
| Reasoning | 77.6Unranked · 2 rankable rows | Not ranked | Not comparableProvisional lane · 0 vs 0 weighted rows | Not comparable |
| Multimodal | 62.6Unranked · 2 rankable rows | Not ranked | Not comparableProvisional lane · 1 vs 0 weighted rows | Not comparable |
| Knowledge | 82.6Supported · #4/160 | Not ranked | Not comparableBenchAlign v5.6 lane · 2 vs 0 public rows | Not comparable |
| Multilingual | Not ranked | Not ranked | Not comparableProvisional lane · 0 vs 0 weighted rows | Not comparable |
| Instruction following | 75.7#58/124 | Not ranked | Not comparableProvisional lane · 0 vs 0 weighted rows | Not comparable |
| Math | Not ranked | Not ranked | Not comparableProvisional lane · 0 vs 0 weighted rows | Not comparable |
Ranks count the models scored in each category’s lane, so the agentic, coding, and knowledge denominators (BenchAlign v5.6) 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.
Supported evidence per lane · 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 Fable 5
- $0.035
- Fits in one request
- Gemini 3.8 Flash-Lite TTS
- API rate not published
- Fits in one request
Gemini 3.8 Flash-Lite TTS has no comparable published API token rate.
Repository review
50K fresh input + 3K output tokens
- Claude Fable 5
- $0.65
- Fits in one request
- Gemini 3.8 Flash-Lite TTS
- API rate not published
- Does not fit in one request
Gemini 3.8 Flash-Lite TTS does not fit this workload in one request. Gemini 3.8 Flash-Lite TTS has no comparable published API token rate.
Cache-heavy agent loop
200K cached + 20K fresh input + 10K output tokens
- Claude Fable 5
- $0.9
- Fits in one request
- Gemini 3.8 Flash-Lite TTS
- API rate not published
- Does not fit in one request
- Cached-input rate unavailable
Gemini 3.8 Flash-Lite TTS does not fit this workload in one request. Gemini 3.8 Flash-Lite TTS 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 Fable 5Gemini 3.8 Flash-Lite TTS
Context window
Maximum documented context; output-token limits may be lower.
Claude Fable 5
Gemini 3.8 Flash-Lite TTS
API model ID
Claude Fable 5
claude-fable-5
Anthropic model overviewGemini 3.8 Flash-Lite TTS
gemini-3.8-flash-lite-tts
Google Gemini 3.8 Flash-Lite TTS model documentationCached-input rate
A missing cached-input rate falls back to the listed input rate only in the stated workload estimate.
Claude Fable 5
$1 per 1M cached input tokens
Claude API pricingGemini 3.8 Flash-Lite TTS
No comparable hosted API rate
Google model documentationDocumented inputs
Claude Fable 5
text, image
Anthropic model overviewGemini 3.8 Flash-Lite TTS
Documented outputs
Claude Fable 5
Gemini 3.8 Flash-Lite TTS
Provider availability
Claude Fable 5
Generally Available · Claude API
Anthropic model overviewGemini 3.8 Flash-Lite TTS
Generally Available · Gemini API, Google AI Studio
Google Gemini 3.8 Flash-Lite TTS model documentationReasoning profile
Claude Fable 5
Reasoning
Gemini 3.8 Flash-Lite TTS
Non-Reasoning
Weight access
Claude Fable 5
Proprietary
Gemini 3.8 Flash-Lite TTS
Proprietary
License
Claude Fable 5
Proprietary
Gemini 3.8 Flash-Lite TTS
Proprietary
Release date
Claude Fable 5
2026-06-09
Gemini 3.8 Flash-Lite TTS
2026-09-23
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
- The public evidence has no benchmark result shared by both models, so it does not support a quality verdict.
- Workload cost
- A complete comparable API-rate estimate is not available for both models.
- Context tradeoff
- Claude Fable 5 has the larger documented window (1M).
Run the same representative tasks against both endpoints before changing production traffic.
Questions
Which is better, Claude Fable 5 or Gemini 3.8 Flash-Lite TTS?
The public evidence has no benchmark result shared by both models, so it does not support a quality verdict. The page therefore keeps the decision tied to the specific documented workload.
Which is better for coding, Claude Fable 5 or Gemini 3.8 Flash-Lite TTS?
Gemini 3.8 Flash-Lite TTS is not ranked on the public lane for coding, so no winner is named for coding.
Which is better for agentic tasks, Claude Fable 5 or Gemini 3.8 Flash-Lite TTS?
Gemini 3.8 Flash-Lite TTS is not ranked on the public lane for agentic tasks, so no winner is named for agentic tasks.
Which costs less, Claude Fable 5 or Gemini 3.8 Flash-Lite TTS?
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 Fable 5 or Gemini 3.8 Flash-Lite TTS?
Claude Fable 5 has the larger documented context window: 1M, compared with 8K.
Benchmark evidence
The full public result ledger is available for audit without forcing a wide desktop table onto a phone.
Browse raw public benchmark evidence19 rows
Agentic
Terminal-Bench 3.0
Claude Fable 534.0%SourceGemini 3.8 Flash-Lite TTS—Not directly comparable
Terminal-Bench 2.1
Claude Fable 584.3%SourceGemini 3.8 Flash-Lite TTS—Not directly comparable
OSWorld-Verified
Claude Fable 585%SourceGemini 3.8 Flash-Lite TTS—Not directly comparable
Terminal-Bench 2.1 (Vals)
Claude Fable 580.5%SourceGemini 3.8 Flash-Lite TTS—Not directly comparable
ApprenticeBench
Claude Fable 534%SourceGemini 3.8 Flash-Lite TTS—Not directly comparable
Coding
SWE-bench Verified
Claude Fable 595%SourceGemini 3.8 Flash-Lite TTS—Not directly comparable
SWE-bench Pro
Claude Fable 580%SourceGemini 3.8 Flash-Lite TTS—Not directly comparable
FrontierSWE v2
Claude Fable 547.0%SourceGemini 3.8 Flash-Lite TTS—Not directly comparable
FrontierCode 1.1 Main
Claude Fable 553.5%SourceGemini 3.8 Flash-Lite TTS—Not directly comparable
Terminal-Bench 2.1
Claude Fable 584.3%SourceGemini 3.8 Flash-Lite TTS—Not directly comparable
cursorBench31
Claude Fable 570.6%SourceGemini 3.8 Flash-Lite TTS—Not directly comparable
cursorBench32
Claude Fable 570.5%SourceGemini 3.8 Flash-Lite TTS—Not directly comparable
VulcanBench v3
Claude Fable 589.5%SourceGemini 3.8 Flash-Lite TTS—Not directly comparable
LiveCodeBench (Vals)
Claude Fable 589.8%SourceGemini 3.8 Flash-Lite TTS—Not directly comparable
SWE-bench (Vals)
Claude Fable 595.0%SourceGemini 3.8 Flash-Lite TTS—Not directly comparable
Multimodal
Knowledge
19 public results · 0 shared
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Last updated September 23, 2026