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Claude Fable 5.2 (high) vs GPT-6.1 Terra

Claude Fable 5.2 (high) leads on average score with 8.7 vs 8.6. GPT-6.1 Terra has the lower benchmark cost at $0.184 vs $5.083. GPT-6.1 Terra is faster at 4.08s vs 14.73s, with pass rates of 87.0% vs 84.1%.

Last updated at: 2026-11-10

Compared models

Rank
#85
Total Output Tokens
63,226
Response Time (avg)
14.73s
Total Cost
$5.083
Rank
#89
Total Output Tokens
4,906
Response Time (avg)
4.08s
Total Cost
$0.184
Recommended model GPT-6.1 Terra

Its score stays close to the best score here (8.6 vs 8.7), while costing about 27.7x less than Claude Fable 5.2 (high).

Detailed comparison

Metric Claude Fable 5.2 Claude Fable 5.2 high Release: 2026-11-09 GPT-6.1 Terra GPT-6.1 Terra none Release: 2026-10-26
Score 8.7 8.6
Rank #85 #89
Reliability 9.6 10.0
Consistency 9.3 9.3
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 87.0% 84.1%
Flaky tests 2 2
Total Runs 69 69
Cost per result 26.752 1.021
Total Cost $5.083 $0.184
Input Price $8.000 / 1M $1.000 / 1M
Output Price $40.000 / 1M $5.000 / 1M
Cache Read Price $0.200 / 1M $0.050 / 1M
Cache Write Price $10.000 / 1M $1.250 / 1M
Total Input Tokens 319,219 159,129
Output Tokens 10,244 4,906
Reasoning Tokens 52,982 0
Response Time (avg) 14.73s 4.08s
Response Time (max) 84.72s 40.32s
Response Time (total) 338.82s 93.75s
Parameters ~9.5T total (~878B active) ~1T total (~60B active)
Availability Closed Closed

Cache prices apply to input tokens. Reads reuse cached prompts; writes store them and can cost extra. Output tokens use the output price.

Model generation showcase

Hamster playing table tennis

Prompt: Create a detailed SVG illustration of a hamster playing table tennis.

#85 Claude Fable 5.2

high
Cost
$0.701
Time
204.4s
Tokens
17,664 tok

#89 GPT-6.1 Terra

none
Cost
$0.017
Time
36.8s
Tokens
3,297 tok

Top Models by Score

Score vs Total Cost

Response Time (avg)

Score vs Response Time (avg)

Total Output Tokens

Score vs Total Output Tokens

Category Breakdown

Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Fable 5.2 6.0 7.4 55.6% 1 8.21s 10,608 558 4,605
GPT-6.1 Terra 8.2 7.2 88.9% 1 1.86s 7,302 387 0

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