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#194

GPT-5.6 Sol

OpenAI Release: 2026-07-09 Tested on: 2026-10-01 01:50 openai/gpt-5.6-sol::none
~2T total (~150B active)MoEClosedEstimated
(high) (medium) (low) (none)

Summary

GPT-5.6 Sol scores 6.7 on AI BENCHY and ranks #194. It has 10.0 reliability, a 60.9% pass rate, $0.795 total cost, and 4.61s average response time.

What makes GPT-5.6 Sol unique: It is notably fast compared with similar models.

Model facts

Researched on 2026-08-12

Estimated
Parameters
~2T total (~150B active)
Architecture
MoE
Availability
Closed
License
-

Best estimate from public evidence; the vendor did not disclose every value. Vendor does not disclose the architecture or count.

Parameter source Availability source

Score

6.7

Consistency

9.1

Reliability

10.0

Total Cost (Current Price)

$0.795

Total Output Tokens

5,555

Total Input Tokens

207,852

Input Price

$2.000 / 1M

Output Price

$10.000 / 1M

Cache Read Price

$0.200 / 1M

Cache Write Price

$2.500 / 1M

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

Tests Correct

Wrong Tests: 11

Attempt pass rate: 60.9%

Flaky tests

3

Flaky tests had mixed outcomes across runs (at least one pass and one fail).

Response Time (avg)

4.61s

Response Time (max): 58.28s

Response Time (total): 105.93s

Wrong answer: 10 Did not follow instructions: 1

Hamster playing table tennis

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

#194 GPT-5.6 Sol

none
Cost
$0.116
Time
78.7s
Tokens
3,944 tok

Run history

Tested on Score Reliability Tests Correct Total Cost Compare
2026-10-01 01:50 Re-test 6.7 10.0 $0.795 Current run
2026-07-16 22:37 New test added 6.9 10.0 $0.524 Compare
2026-07-09 21:15 Initial run 6.3 10.0 $0.225 Compare

This run used a different benchmark suite. Keep suite changes in mind when reading historical movement.

Price History

Historical pricing data for this model from OpenRouter.

Date Input Price Output Price Cache Read Price Cache Write Price
2026-08-14 12:51 $5.000 / 1M $30.000 / 1M N/A N/A
2026-10-01 18:33 $2.000 / 1M $10.000 / 1M $0.200 / 1M $2.500 / 1M

Charts

Choose the first model, then click a second model to open a side-by-side page.

Total Output Tokens

Score vs Total Output Tokens

Quick Compare

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Category Breakdown

Category Score Consistency Tests Correct
Agentic 5.0 10.0
Anti-AI Tricks 8.3 10.0
Coding 5.5 10.0
Combined 6.5 10.0
Data parsing and extraction 10.0 10.0
Domain specific 5.9 7.2
General Intelligence 6.5 3.4
Instructions following 8.5 6.8
Puzzle Solving 7.7 10.0
Tool Calling 10.0 10.0
Trivia 3.0 10.0

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