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GPT-6.1 Sol

OpenAIflagship New

OpenAI's 29 Sep 2026 refresh of GPT-6 Sol, at the same $2/$10 per 1M tokens but with cached input halved to $0.10. Artificial Analysis Intelligence Index v4.3.2 scores it 52 at max effort — one point under GPT-6 Astra (53) at $0.72 per Index task against Astra's $3.26 — and 51/50/48 at xhigh/high/medium for $0.39/$0.32/$0.21. OpenAI says it nearly matches Astra on agentic coding, computer use and professional work at one-fifth of Astra's standard token prices (vendor claim); OpenAI gave no reason for the price. It also uses far fewer tokens than the Claude 5.5 pair: 67M output tokens across the Index. 1,050,000 context with 922K maximum input and 128K maximum output; requests above 272K input tokens bill at 2x input and 1.5x output for the whole request. Effort levels low, medium (default), high, xhigh and max; text and image in, text out. Batch and Flex are half price and Fast mode doubles the rate. Knowledge cutoff 30 Apr 2026. An Ultrafast tier was announced for it but was not live on 29 Sep.

Context Window

1M

tokens

Max Output

128K

tokens

Input Price

$2

per 1M tokens

Output Price

$10

per 1M tokens

Speed

—

tokens/sec

Released

Sep 2026

2026-09-29

Blended Cost

$6.00

per 1M tokens

Value Score

16.3

quality per $

Capabilities

ChatVisionFunction CallingCode GenerationReasoning

Benchmarks

Quality Index
98

Price vs Quality

6080100$1.00$10.00$100.00Blended cost per 1M tokens (log scale) →GPT-4o — $6.25/1M, quality 85GPT-4o Mini — $0.375/1M, quality 72o3 Mini — $2.75/1M, quality 88o3 — $5.00/1M, quality 94GPT-4.1 — $5.00/1M, quality 89Claude Opus 4 — $45.00/1M, quality 91Claude Sonnet 4 — $9.00/1M, quality 88Claude 3.5 Haiku — $2.40/1M, quality 75Gemini 2.5 Pro — $5.63/1M, quality 92Gemini 2.0 Flash — $0.250/1M, quality 74Llama 4 Maverick — $0.400/1M, quality 80Llama 4 Scout — $0.275/1M, quality 71Mistral Large 2 — $4.00/1M, quality 79Codestral — $0.600/1M, quality 76DeepSeek V3 — $0.685/1M, quality 86DeepSeek R1 — $1.37/1M, quality 91Grok 3 — $9.00/1M, quality 87Grok 3 Mini — $0.400/1M, quality 78Command R+ — $6.25/1M, quality 68Amazon Nova Pro — $2.00/1M, quality 70Qwen 2.5 72B — $0.600/1M, quality 80Qwen 2.5 Coder 32B — $0.300/1M, quality 74Sonar Pro — $9.00/1M, quality 78GPT-5.5 — $17.50/1M, quality 97GPT-5.5 Pro — $105.00/1M, quality 96Claude Opus 4.7 — $15.00/1M, quality 96Gemini 3.1 Pro — $7.00/1M, quality 96DeepSeek V4 Pro — $1.32/1M, quality 89DeepSeek V4 Flash — $0.210/1M, quality 84Qwen 3.6 Plus — $3.50/1M, quality 86Grok 4.3 — $1.88/1M, quality 93Kimi K2.6 — $2.11/1M, quality 92Kimi K3 — $9.00/1M, quality 97Claude Sonnet 4.6 — $9.00/1M, quality 90GLM-5.1 — $2.03/1M, quality 88Claude Opus 4.8 — $15.00/1M, quality 98Qwen 3.7 Max — $5.00/1M, quality 94Claude Fable 5 — $30.00/1M, quality 99MiniMax M3 — $1.50/1M, quality 89GPT-5.6 Sol — $17.50/1M, quality 98GPT-5.6 Terra — $7.00/1M, quality 93GPT-5.6 Luna — $0.700/1M, quality 83Gemini 3.6 Flash — $2.25/1M, quality 90Gemini 3.5 Flash-Lite — $1.40/1M, quality 79Claude Sonnet 5 — $9.00/1M, quality 93GLM-5.2 — $2.90/1M, quality 91Claude Opus 5 — $15.00/1M, quality 99Claude Mythos 5 — $30.00/1M, quality 99Grok 4.5 — $4.00/1M, quality 94Qwen3.8 Max — $4.00/1M, quality 96GPT-6 Astra — $30.00/1M, quality 99Claude Fable 5.1 — $30.00/1M, quality 99DeepSeek V4.1 Flash — $0.750/1M, quality 92GLM-5.3 — $2.90/1M, quality 96GLM-5.3 Flash — $0.325/1M, quality 93Muse Spark 1.3 — $2.75/1M, quality 97Grok 4.6 — $4.00/1M, quality 95Gemini 3.8 Flash — $2.25/1M, quality 93Claude Opus 5.5 — $12.00/1M, quality 100Claude Sonnet 5.5 — $6.00/1M, quality 99GPT-6 Sol — $6.00/1M, quality 97GPT-6 Luna — $0.300/1M, quality 89GPT-6.1 Sol — $6.00/1M, quality 98GPT-6.1 Sol
Cheaper is left, more capable is up. Nothing in the directory is both cheaper and at least as capable. Self-host models are left off the price axis — their cost depends on the hardware you run them on, not on tokens.

Context Window in Context

  • ▸ GPT-6.1 Sol1.1M
  • GPT-5.6 Sol1.1M
  • GPT-5.6 Terra1.1M
  • GPT-5.6 Luna1.1M
  • GPT-6 Astra1.1M
  • GPT-6 Sol1.1M
  • GPT-6 Luna1.1M
  • Kimi K31.0M
Bar length is logarithmic — each full step is 10× the tokens. Shown against the models with the nearest context windows, not the directory extremes.
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Todavía no está en nuestro gateway

Swfte Connect no tiene una clave para GPT-6.1 Sol, así que aquí no hay nada que ejecutar. Añade tu propia clave del proveedor y llámalo con la misma API que cualquier otro modelo de este directorio.

La petición
curl https://api.swfte.com/agents/v2/gateway/chat/completions \
  -H "Authorization: Bearer $SWFTE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "openai:gpt-6.1-sol",
    "messages": [{"role": "user", "content": "Hello"}]
  }'
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About GPT-6.1 Sol

GPT-6.1 Sol is a flagship AI model by OpenAI, released on September 29, 2026. It supports a context window of 1050K tokens and can generate up to 128K output tokens.

At $2 per million input tokens and $10 per million output tokens, its blended cost of $6.00/1M tokens places it in the premium pricing tier. Its value score of 16.3 reflects the balance of quality and cost.

Using GPT-6.1 Sol with Swfte

Access GPT-6.1 Sol through Swfte Connect, our unified LLM gateway. Connect gives you a single API for 50+ models, with automatic routing, cost optimization, and fallback handling. You can also try GPT-6.1 Sol in our AI Playground before integrating.

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