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© 2026 CompareLLM. Public benchmark data aggregated from Arena Elo, LiveBench, SWE-bench & OpenRouter.

Every score has a dated snapshot.

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  2. Comparisons
  3. Anthropic: Claude Fable Latest vs Claude Opus 5

Pairwise benchmark snapshot · Aug 17, 2026noindex (thin pair)

Anthropic: Claude Fable Latest vs Claude Opus 5 benchmark

In this head-to-head showdown, Anthropic: Claude Fable Latest is more budget-friendly at $50/1M per 1M output tokens. Review the complete breakdown below to determine which model best fits your performance and budget requirements.

Executive Comparison Verdict

Bottom Line: Both Anthropic: Claude Fable Latest and Claude Opus 5 present distinct architectural strengths. Compare the verified benchmark matrix below to choose the model tailored to your specific application requirements.
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Executive Verdict Summary

Anthropic: Claude Fable Latest holds empirical advantage (0 of 0 metrics)

Coding / SWESWE-bench
Claude Opus 5Top code solve rate
ReasoningGPQA / Live
Claude Opus 5Top logical accuracy
Best Value$/1M Tok
Anthropic: Claude Fable LatestLowest API billing cost
Speed / TokTok/Sec
Claude Opus 5Fastest stream rate
~anthropic
Anthropic: Claude Fable Latest

Auto-discovered from OpenRouter (~anthropic/claude-fable-latest). Preview until a second source matches.

In: $10 · Out: $50/1M
Anthropic
Claude Opus 5

Anthropic current default flagship. Official API $5/$25 per 1M tokens and a 1M context window (Anthropic, Jul 24 2026).

Elo 1,624In: $10 · Out: $50/1M

Claude Opus 5 Thinking Depth & Cost Scaler

Model B

Simulate accuracy gains vs added response time & token cost

Mode: Medium (16k budget)

Reasoning models “think before answering” by generating internal reasoning tokens. Higher effort improves math, coding, and logic accuracy, but increases response delay and token costs.

Delay
310 ms
Standard
CoT Tokens
~3,200
Internal reasoning
Cost / 1k
$180.00
9.0× base bill
Accuracy Boost
+5.2%
STEM & Logic
Top Rival Showdowns for Anthropic: Claude Fable Latest
All Matchups
Compare vs:vs Claude Opus 4.5vs GPT-5vs Gemini 3 Provs Grok 4.6vs DeepSeek V4 Pro
Preference Leader

No shared data

Single model data

Throughput Leader

No shared data

No latency data

Value per Dollar LeaderAnthropic: Claude Fable Latest Wins

Anthropic: Claude Fable Latest

$50 / 1M output

Capability Percentiles

Relative percentile scores computed across all active models in the benchmark catalog.

Multi-Dimensional Capability Radar

Leaders Matchup Capability Radar

Comparing top standard models across 6 key capability dimensions. Tap any spoke or dot to inspect.

Tap any node to inspect
0–100 %ile

Overall Matchup Breakdown

Category wins across reasoning intelligence, generation speed, and token cost.

Anthropic: Claude Fable Latest (0)vsClaude Opus 5 (7)
Anthropic: Claude Fable Latest: 0W (0%)Overall: Claude Opus 5Claude Opus 5: 7W (100%)
← Anthropic: Claude Fable Latest3 tiesClaude Opus 5 →
🏆Claude Opus 5 Leads(5/5)

Intelligence & Reasoning

Preference Elo, Coding proficiency, SWE-bench & LiveBench accuracy

Benchmark
Anthropic: Claude Fable LatestvsClaude Opus 5
Preference Elo
—vs1,624
Coding Elo
—vs1,618
SWE-bench
—vs79.2%
LiveBench
—vs74.8%
GPQA Diamond
—vs87.1%
Anthropic: Claude Fable Latest: 0WClaude Opus 5: 5W
🏆Claude Opus 5 Leads(2/2)

Speed & Latency

Generation throughput and time to first token responsiveness

Benchmark
Anthropic: Claude Fable LatestvsClaude Opus 5
Output speed
—vs72 tok/s
Time to first token
—vs310 ms
Anthropic: Claude Fable Latest: 0WClaude Opus 5: 2W
Tied (0-0)

Pricing & Capacity

Cost per million tokens and max context window length

Benchmark
Anthropic: Claude Fable LatestvsClaude Opus 5
Output price
$50/1Mvs$50/1M
Input price
$10/1Mvs$10/1M
Context window
1Mvs1M
Anthropic: Claude Fable Latest: 0WClaude Opus 5: 0W

Side-by-Side Benchmark Matrix

Anthropic: Claude Fable LatestClaude Opus 5
Preference Elo
Anthropic: Claude Fable Latest—
Claude Opus 51,624
Coding Elo
Anthropic: Claude Fable Latest—
Claude Opus 51,618
LiveBench
Anthropic: Claude Fable Latest—
Claude Opus 574.8%
SWE-bench
Anthropic: Claude Fable Latest—
Claude Opus 579.2%
GPQA Diamond
Anthropic: Claude Fable Latest—
Claude Opus 587.1%
Time to first token
Anthropic: Claude Fable Latest—
Claude Opus 5310 ms
Output speed
Anthropic: Claude Fable Latest—
Claude Opus 572 tok/s
Input price
Anthropic: Claude Fable Latest$10/1M
Claude Opus 5$10/1M
Output price
Anthropic: Claude Fable Latest$50/1M
Claude Opus 5$50/1M
Context window
Anthropic: Claude Fable Latest1M
Claude Opus 51M
BenchmarkAnthropic: Claude Fable LatestClaude Opus 5Advantage Delta
Preference Elo—
1,624
lmarena · Aug 16, 2026
—
Coding Elo—
1,618
lmarena · Aug 16, 2026
—
LiveBench—
74.8%
livebench · Aug 16, 2026
—
SWE-bench—
79.2%
swebench · Aug 16, 2026
—
GPQA Diamond—
87.1%
seed-bootstrap · Aug 16, 2026
—
Time to first token—
310 ms
seed-bootstrap · Aug 16, 2026
—
Output speed—
72 tok/s
seed-bootstrap · Aug 16, 2026
—
Input price
$10/1M
openrouter · Aug 17, 2026
$10/1M
openrouter · Aug 17, 2026
—
Output price
$50/1M
openrouter · Aug 17, 2026
$50/1M
openrouter · Aug 17, 2026
—
Context window
1M
openrouter · Aug 17, 2026
1M
openrouter · Aug 17, 2026
—

Workload Cost & Savings Calculator

Simulate monthly production API costs in USD (US Dollar).

Monthly Volume50M tokens/mo
Quick Presets:
Token Ratio (In vs Out)70% In / 30% Out
RAG / Search (10% out)Coding / Chat (50% out)
Anthropic: Claude Fable Latest$1,100.00 / mo
In: $350Out: $750
Claude Opus 5$1,100.00 / mo
In: $350Out: $750

Key Selection Recommendations

  • 1
    Anthropic: Claude Fable Latest:Pick Anthropic: Claude Fable Latest when you are optimizing output cost.
  • 2
    Anthropic: Claude Fable Latest:Pick Anthropic: Claude Fable Latest for million-token RAG or long-document jobs.

Recommended Workload Routing

Repo / coding agentsinsufficient data

Need SWE-bench on both sides.

High-volume chatAnthropic: Claude Fable Latest

Lower output list price ($50/1M).

Voice / low-latency UIinsufficient data

Need TTFT on both sides.

Long-document RAGAnthropic: Claude Fable Latest

Larger window (1M).

Screenshots / visionClaude Opus 5

Claude Opus 5 is the side marked multimodal in the catalog.

Target WorkloadRecommended PickEvaluation Rationale
Repo / coding agentsinsufficient dataNeed SWE-bench on both sides.
High-volume chatAnthropic: Claude Fable LatestLower output list price ($50/1M).
Voice / low-latency UIinsufficient dataNeed TTFT on both sides.
Long-document RAGAnthropic: Claude Fable LatestLarger window (1M).
Screenshots / visionClaude Opus 5Claude Opus 5 is the side marked multimodal in the catalog.

Related Editorial Dispatches & Benchmark Notes

View all news
compareAug 10, 2026

Sonnet vs Opus in 2026: same family, different invoice

Usually Sonnet 5 vs Opus 5. Coding delta versus output $/1M. The workhorse question.

compareJul 24, 2026

Claude vs Gemini: coding, Elo, and output price — not a brand mashup

Top Anthropic vs top Google. Usually Opus 5 vs 3.6 Pro. Two different invoices.

compareJul 24, 2026

Claude vs GPT benchmark: this hub always remaps to the current Elo leaders

Not a frozen 2025 article. Today that is usually Opus 5 vs GPT-5.6 Sol. Dated cells, not a brand fight.

launchJul 24, 2026

Claude Opus 5 is Anthropic’s default flagship — how to read it on CompareLLM

Jul 24 2026 official API at $5/$25 and a 1M window. Preference Elo is taste, not a coding exam.

Cast Your Matchup Vote

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CompareLLM AI Matrix

Verified Head-to-Head Telemetry

LIVE BENCHMARK
VS
~anthropic

Anthropic: Claude Fable Latest

Elo n/a
SWE-bench—
Speed (tok/s)1M
Input / 1M Tokens$10/1M
Output / 1M Tokens$50/1M
Anthropic

Claude Opus 5

Elo 1,624
SWE-bench79.2%
Speed (tok/s)72 tok/s
Input / 1M Tokens$10/1M
Output / 1M Tokens$50/1M

Frequently Asked Questions

Which is better overall, Anthropic: Claude Fable Latest or Claude Opus 5?
We do not have preference Elo for both models, so we do not declare an overall winner. Compare the metrics that exist.
Which is better at coding, Anthropic: Claude Fable Latest or Claude Opus 5?
SWE-bench is missing for at least one model, so we do not rank coding from a single number.
Which is cheaper to run in production?
Anthropic: Claude Fable Latest output tokens are $50/1M versus $50/1M. Input prices and retry rates still move the real bill.
Which is faster, Anthropic: Claude Fable Latest or Claude Opus 5?
We do not have TTFT for both models.
Which has the larger context window?
Anthropic: Claude Fable Latest accepts 1M tokens versus 1M.
Can I self-host either model?
Neither model is marked open-weights here. You are comparing hosted APIs.
Are these scores from CompareLLM’s own evals?
No. V1 aggregates public leaderboards (and optional first-party latency pings). Each cell names its source and date. Read /methodology.
What does preference Elo mean on this page?
Preference Elo is a crowd vote from LMArena / Arena. People see two hidden answers and pick the one they like more. The model that wins more often gets a higher Elo. That means people preferred it — not that it passed a school test. It is not SWE-bench, not accuracy, and not a number we invent. Anthropic: Claude Fable Latest and Claude Opus 5 Elo cells are dated snapshots from the named source — we do not compute Arena ourselves.

Related news

  • compare · Aug 10, 2026

    Sonnet vs Opus in 2026: same family, different invoice

  • compare · Jul 24, 2026

    Claude vs Gemini: coding, Elo, and output price — not a brand mashup

  • compare · Jul 24, 2026

    Claude vs GPT benchmark: this hub always remaps to the current Elo leaders

  • launch · Jul 24, 2026

    Claude Opus 5 is Anthropic’s default flagship — how to read it on CompareLLM

Similar Head-to-Head Comparisons

All Anthropic: Claude Fable Latest matchups →|All Claude Opus 5 matchups →
Claude Opus 5 vs Claude Opus 4.8 (previous opus)Claude Opus 4.5 vs Claude Opus 5Claude Opus 4.6 vs Claude Opus 5Claude Sonnet 4.5 vs Claude Opus 5Claude Fable 5 vs Claude Opus 5Claude Sonnet 5 vs Claude Opus 5