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Claude Fable 5 vs Qwen2.5 72B Instruct

Claude Fable 5 grades higher overall (90.7 against 31.6). Qwen2.5 72B Instruct costs 98% less for the same work.

Claude Fable 5

by Anthropic · #3 of 67 overall

Coming soon · price at launch
Context
1M
Input / 1M
$10.00
Output / 1M
$50.00

Qwen2.5 72B Instruct

by Qwen · #61 of 67 overall

Coming soon · price at launch
Context
32K
Input / 1M
$0.36
Output / 1M
$0.40

Better overall

Claude Fable 5

Grade 90.7 vs 31.6

Cheaper

Qwen2.5 72B Instruct

98% less, $0.37 vs $20.00 blended

Larger context

Claude Fable 5

1M vs 32K tokens

Head to head

Public benchmarks. Longer is better; each value links to its source.

LMArena TextElo-style rating · LMArena (CC BY 4.0) · Oct 15, 2026
Claude Fable 5Claude Fable 5: 1,503
Qwen2.5 72B InstructQwen2.5 72B Instruct: 1,303
LMArena WebDevElo-style rating · LMArena (CC BY 4.0) · Oct 13, 2026
Claude Fable 5Claude Fable 5: 1,624
Qwen2.5 72B InstructQwen2.5 72B Instruct: —
LMArena CodingElo-style rating · LMArena (CC BY 4.0) · Oct 15, 2026
Claude Fable 5Claude Fable 5: 1,551
Qwen2.5 72B InstructQwen2.5 72B Instruct: 1,355
SWE-bench Verified% of issues resolved · SWE-bench · Jun 9, 2026 · reference
Claude Fable 5Claude Fable 5: 95%v
Qwen2.5 72B InstructQwen2.5 72B Instruct: —
SWE-Bench Pro% of tasks resolved · Scale AI SWE-Bench Pro · Jun 9, 2026 · reference
Claude Fable 5Claude Fable 5: 80%v
Qwen2.5 72B InstructQwen2.5 72B Instruct: —
Terminal-Bench 2.1% of tasks passed · Terminal-Bench · Jun 9, 2026 · reference
Qwen2.5 72B InstructQwen2.5 72B Instruct: —

Claude Fable 5Qwen2.5 72B Instructv = reported by the model’s maker. — = no public score yet. Arena bars span the range across every model we grade.

What it costs you

Drag to match your monthly usage.

Claude Fable 5$4,000 /month
Qwen2.5 72B Instruct$88.00 /month

Qwen2.5 72B Instruct saves you $3,912 a month at this usage, $46,944 a year.

At a glance

AttributeClaude Fable 5Qwen2.5 72B Instruct
Made byAnthropicQwen
AvailabilityComing soonComing soon
Overall gradeExcellent · 90.7Good · 31.6
Overall rank#3 of 67#61 of 67
Input price$10.00 per 1M$0.36 per 1M
Output price$50.00 per 1M$0.40 per 1M
Context window1,000,000 tokens32,768 tokens
Reasoning levelsYesNo
Reads imagesYesNo
Model IDclaude-fable-5qwen2.5-72b-instruct

Try both with one key

Same endpoint, same key, both hosted in the USA. Change one word to switch models, in Claude Code, Cursor, Cline or your own code.

Get your API key
# Ask either model the same thing
curl https://fullsendai.com/v1/chat/completions \
  -H "Authorization: Bearer $FULLSEND_API_KEY" \
  -d '{"model": "claude-fable-5", "messages": [...]}'

# …then swap one word
  -d '{"model": "qwen2.5-72b-instruct", "messages": [...]}'

Questions

Is Claude Fable 5 or Qwen2.5 72B Instruct better?

Claude Fable 5 grades 90.7 against 31.6 for Qwen2.5 72B Instruct, from public benchmarks.

Which is cheaper, Claude Fable 5 or Qwen2.5 72B Instruct?

Qwen2.5 72B Instruct: $0.36 in and $0.40 out per million tokens, against $10.00 and $50.00 through FullsendAI.

Which has the larger context window?

Claude Fable 5, with 1,000,000 tokens.

Can I use both with one API key?

Yes, once they launch: both are coming soon, at the prices shown, and both will use the same FullsendAI key.

Model rankingsAll benchmarksCompare other models

Scores: LMArena (CC BY 4.0), SWE-bench, Scale AI SWE-Bench Pro, Terminal-Bench, and model makers’ published results where marked v. Prices are FullsendAI’s, per million tokens. Data as of Oct 28, 2026.