- Score
- 6.6 (-0.10 points)
- Total Cost (Current Price)
- $0.121 · 84.9% cheaper
- Response Time (avg)
- 4.40s · 4.5% faster
OpenAI
Release: 2026-07-09
Tested on: 2026-10-01 01:50
openai/gpt-5.6-sol::none
~2T total (~150B active)MoEClosedEstimated
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.
Recommended alternatives
We recommend choosing this model instead:
Model facts
Researched on 2026-08-12
- 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.
6.7
Consistency
9.1
10.0
$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.
Flaky tests
3
Flaky tests had mixed outcomes across runs (at least one pass and one fail).
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.
Run comparison
| Run | Benchmark coverage | Score | Consistency | Reliability | Tests Correct | Flaky tests | Total Output Tokens | Total Input Tokens | Total Cost | Response Time (avg) |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-10-01 01:50 · Current run | 69/69 attempts | 6.7 | 9.1 | 10.0 | 12/23 | 3 | 5,555 | 207,852 | $0.795 | 4.61s |
| 2026-07-09 21:15 · Initial run | 63/63 attempts | 6.3 | 9.0 | 10.0 | 10/21 | 3 | 1,776 | 34,218 | $0.225 | 1.66s |
| Difference | — | +0.3 | +0.1 | 0.0 | +2 | 0 | +3779 | +173634 | +$0.570 | +2948ms |
Benchmark coverage differs: 69/69 attempts (Target: 3 repeats per test) versus 63/63 attempts (Target: 3 repeats per test). Totals and repeat-sensitive metrics are not directly comparable.
These two runs used different benchmark suites, so the deltas reflect both model changes and suite changes.
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.
Top Models by Score
Score vs Total Cost
Response Time (avg)
Score vs Response Time (avg)
Total Output Tokens
Score vs Total Output Tokens
Quick Compare
GPT-5.6 SolnonevsGPT 5.3 ChatdefaultGPT-5.6 SolnonevsApodex 1.1 MinihighFree AvailableGPT-5.6 SolnonevsEmber-1maxGPT-5.6 SolnonevsGLM 5.3 FlashlowGPT-5.6 SolnonevsMiniMax M3mediumGPT-5.6 SolnonevsGPT-5.5noneGPT-5.6 SolnonevsGrok 4.7highGPT-5.6 SolnonevsGLM 5.2noneGPT-5.6 SolnonevsSolar Pro 4lowGPT-5.6 SolnonevsQwen3.7 Flashmedium
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 |