Effort: max · Max
openaiReleased Sep 29, 2026
OpenAI: GPT-6.1 Sol
Requires Responses API for tools; offers Ultrafast inference with US or EU data residency.
Source description
GPT-6.1 Sol is an upgrade to GPT-6 Sol from OpenAI, positioned below the flagship GPT-6 Astra in the GPT-6 series. It is suited for agentic coding, computer use, document-heavy professional...
Context window1.1M
Max output128K
Provider endpoints10
Benchmark results19
Agent runs1
Measured performance
All leaderboards ↗Benchmark results
Effort: max · Max
GDPval-AA ↗2.1
1,593.85Effort: max · Max
AutomationBench-AA ↗AA Index 4.3.2 collection
64.87%Effort: max · Max
Effort: max · Max · Harness unreported
SciCode ↗AA Index 4.3.2 collection
54.17%AA · Under reviewEffort: max · Max
Humanity’s Last Exam ↗AA Index 4.3.2 collection
52.92%Effort: max · Max
GDP.pdf ↗AA Index 4.3.2 collection
31%Effort: max · Max
CritPt ↗AA Index 4.3.2 collection
31.71%AA · Under reviewEffort: max · Max
AA-Omniscience ↗AA Index 4.3.2 collection
41.53Effort: max · Max
AA-LCR ↗1.1
83%Effort: max · Max
LiveBench Overall ↗2.0 · 2026-10-14 (dataset 2026-09-02)
85.41%Effort: max · single run · equal mean of 7 suites
LiveBench Design ↗2.0 · 2026-10-14 (dataset 2026-09-02)
82.1%Effort: max · single run
LiveBench Research ↗2.0 · 2026-10-14 (dataset 2026-09-02)
83.5%Effort: max · single run
LiveBench Browser Use ↗2.0 · 2026-10-14 (dataset 2026-09-02)
88%Effort: max · single run
LiveBench Coding ↗2.0 · 2026-10-14 (dataset 2026-09-02)
96%Effort: max · single run
LiveBench Agentic ↗2.0 · 2026-10-14 (dataset 2026-09-02)
73%Effort: max · single run
LiveBench Data Analysis ↗2.0 · 2026-10-14 (dataset 2026-09-02)
82.7%Effort: max · single run
LiveBench Reasoning ↗2.0 · 2026-10-14 (dataset 2026-09-02)
92.6%Effort: max · single run
Provider measurements
1 configurationSpeed
≈10K input tokens1 requestmedian / 72h
Artificial Analysis · first-party providers · serving endpoint not reported
OpenAI
GPT-6.1 Sol (Max)
Reasoning max
- Output rate
- 64.2466 tok/s
- Time to first chunk
- 241.599 s
Last checked Source ↗
Methodology 2.2.0 & measurement details
First chunk includes request processing and network time, and may include reasoning.
- Prompt
- long · ≈10,000 input tokens
- Parallel requests
- 1
- Minimum answer
- 1,500 tokens
- Aggregation
- median over 72 hours
- Token counting
- o200k_base
- Benchmark client
- Google Cloud us-central1-a
- Serving endpoint
- Not reported
- Serving region
- Not reported
- Sample size
- Not reported
- Window end
- Not reported
Model + harness
All agent results ↗Agent runs
Terminal-Bench 4.0
codex0.159.0
Reasoning effort max
Tested model identity
GPT-6.1 Solopenai/gpt-6.1-solPass rate58.18%
95% CI 55.07%–61.29%
n = 330Checked
Access & cost
18 quotesPrices across providers
Your token mix
USD · listed token ratesOpenRouter
Catalog quote- Input
- $2.00
- Output
- $10.00
- Cached input
- $0.10
Experiential
Standard list rate
- Input
- $2.00
- Output
- $10.00
- Cached input
- $0.10
Catalog list rate. Plan allowances and temporary discounts are separate.
- Input
- $1.00
- Output
- $5.00
- Cached input
- $0.05
Max prompt 922000 tokens · Cache write $1.25/M tokens · Web search $0.01/search
OpenAI
via OpenRouteropenai/flex · tier=flex · prompt over 272000 tokens · rate option 1
Conditional rate- Input
- $2.00
- Output
- $7.50
- Cached input
- $0.10
Max prompt 922000 tokens · Cache write $2.5/M tokens · Web search $0.01/search · A rate applies when all its listed conditions match. Dates and times use UTC.
- Input
- $2.00
- Output
- $10.00
- Cached input
- $0.10
Max prompt 922000 tokens · Cache write $2.5/M tokens · Web search $0.01/search
- Input
- $4.00
- Output
- $15.00
- Cached input
- $0.20
Max prompt 922000 tokens · Cache write $5/M tokens · Web search $0.01/search · A rate applies when all its listed conditions match. Dates and times use UTC.
- Input
- $2.00
- Output
- $10.00
- Cached input
- $0.10
Max prompt 922000 tokens · Cache write $2.5/M tokens · Web search $0.01/search
- Input
- $4.00
- Output
- $15.00
- Cached input
- $0.20
Max prompt 922000 tokens · Cache write $5/M tokens · Web search $0.01/search · A rate applies when all its listed conditions match. Dates and times use UTC.
- Input
- $2.20
- Output
- $11.00
- Cached input
- $0.11
Max prompt 922000 tokens · Cache write $2.75/M tokens · Web search $0.01/search
Amazon Bedrock
via OpenRouteramazon-bedrock/us-east-1 · prompt over 272000 tokens · rate option 1
Conditional rate- Input
- $4.40
- Output
- $16.50
- Cached input
- $0.22
Max prompt 922000 tokens · Cache write $5.5/M tokens · Web search $0.01/search · A rate applies when all its listed conditions match. Dates and times use UTC.
- Input
- $2.20
- Output
- $11.00
- Cached input
- $0.11
Cache write $2.75/M tokens · Web search $0.01/search
- Input
- $4.40
- Output
- $16.50
- Cached input
- $0.22
Cache write $5.5/M tokens · Web search $0.01/search · A rate applies when all its listed conditions match. Dates and times use UTC.
- Input
- $2.20
- Output
- $11.00
- Cached input
- $0.11
Cache write $2.75/M tokens · Web search $0.01/search
- Input
- $4.40
- Output
- $16.50
- Cached input
- $0.22
Cache write $5.5/M tokens · Web search $0.01/search · A rate applies when all its listed conditions match. Dates and times use UTC.
- Input
- $4.00
- Output
- $20.00
- Cached input
- $0.20
Max prompt 922000 tokens · Cache write $5/M tokens · Web search $0.01/search
OpenAI
via OpenRouteropenai/fast · tier=priority · prompt over 272000 tokens · rate option 1
Conditional rate- Input
- $8.00
- Output
- $30.00
- Cached input
- $0.40
Max prompt 922000 tokens · Cache write $10/M tokens · Web search $0.01/search · A rate applies when all its listed conditions match. Dates and times use UTC.
- Input
- $12.00
- Output
- $60.00
- Cached input
- $0.60
Max prompt 922000 tokens · Cache write $15/M tokens · Web search $0.01/search
OpenAI
via OpenRouteropenai/ultrafast · tier=ultrafast · prompt over 272000 tokens · rate option 1
Conditional rate- Input
- $24.00
- Output
- $90.00
- Cached input
- $1.20
Max prompt 922000 tokens · Cache write $30/M tokens · Web search $0.01/search · A rate applies when all its listed conditions match. Dates and times use UTC.
Model specifications
- Developer
- openai
- Modality
- Language
- Context
- 1,050,000 tokens
- Maximum output
- 128,000 tokens
- Weights
- Not reported
- Released
- Sep 29, 2026
- Provider listed
- Sep 29, 2026
- First discovered
- Oct 16, 2026
Exact identities
- openrouter
openai/gpt-6.1-sol - experiential
gpt-6.1-sol - artificial-analysis
b25ac058-1e33-4c31-bbc9-a20c3ad0717a - livebench
gpt-6.1-sol
Sources
Updated Oct 18, 2026
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