whichllm — Browse and compare AI model specs and pricing

Guide
Provider

Impossibl models

Browse Impossibl AI models by context window, pricing, tool calling, reasoning support, and model IDs.

Snapshot

Models 76
Providers 1
Max context 1050000
Lowest input $0.05
Lowest output $0.28
Tool calling 75
Reasoning 68

How to use this hub

Impossibl appears in whichllm as a provider cluster with 76 cataloged model entries, normalized model IDs, pricing fields, and capability flags.

Use this page to scan Impossibl models by context window, tool calling, reasoning support, and token pricing before opening individual model specs.

Explore related hubs

Long context modelsReasoning modelsTool calling modelsVision models

Featured models

Gemini 3.5 Flash Lite Impossibl · 1048576 context In $0.30 · Out $2.50
Gemini 3.6 Flash Impossibl · 1048576 context In $1.50 · Out $7.50
Qwen3.8 Max Preview Impossibl · 1000000 context In $2.50 · Out $7.50
Kimi K3 Impossibl · 1048576 context In $3.00 · Out $15.00
Inkling Impossibl · 65536 context In $1.87 · Out $4.68
GPT-5.6 Luna Impossibl · 1050000 context In $0.20 · Out $1.20
GPT-5.6 Sol Impossibl · 1050000 context In $5.00 · Out $30.00
GPT-5.6 Terra Impossibl · 1050000 context In $2.00 · Out $12.00

Models in this hub

Claude Fable 5 Impossibl · 1000000 context In $10.00 · Out $50.00
Claude Haiku 4.5 (latest) Impossibl · 200000 context In $1.00 · Out $5.00
Claude Opus 4.5 (latest) Impossibl · 200000 context In $5.00 · Out $25.00
Claude Opus 4.6 Impossibl · 1000000 context In $5.00 · Out $25.00
Claude Opus 4.7 Impossibl · 1000000 context In $5.00 · Out $25.00
Claude Opus 4.8 Impossibl · 1000000 context In $5.00 · Out $25.00
Claude Sonnet 4.5 (latest) Impossibl · 200000 context In $3.00 · Out $15.00
Claude Sonnet 4.6 Impossibl · 1000000 context In $3.00 · Out $15.00
Claude Sonnet 5 Impossibl · 1000000 context In $2.00 · Out $10.00
DeepSeek V4 Flash Impossibl · 1000000 context In $0.19 · Out $0.51
DeepSeek V4 Pro Impossibl · 1000000 context In $1.74 · Out $3.48
GLM-4.5 Impossibl · 131072 context In $0.60 · Out $2.20
GLM-4.5-Air Impossibl · 131072 context In $0.20 · Out $1.10
GLM-4.6 Impossibl · 204800 context In $0.60 · Out $2.20
GLM-4.7 Impossibl · 204800 context In $0.60 · Out $2.20
GLM-5 Impossibl · 204800 context In $1.00 · Out $3.20
GLM-5-Turbo Impossibl · 200000 context In $1.20 · Out $4.00
GLM-5.1 Impossibl · 200000 context In $1.40 · Out $4.40
GLM-5.2 Impossibl · 1000000 context In $1.40 · Out $4.40
GLM-5.2 Impossibl · 1000000 context In $1.40 · Out $4.40
GPT OSS 120B Impossibl · 131072 context In $0.15 · Out $0.60
GPT OSS 120B Impossibl · 131072 context In $0.35 · Out $0.75
GPT OSS 120B Impossibl · 131072 context In $0.15 · Out $0.60
GPT OSS 20B Impossibl · 131072 context In $0.07 · Out $0.30
GPT OSS 20B Impossibl · 131072 context In $0.07 · Out $0.30
GPT-3.5-turbo Impossibl · 16385 context In $0.50 · Out $1.50
GPT-4 Turbo Impossibl · 128000 context In $10.00 · Out $30.00
GPT-4.1 Impossibl · 1047576 context In $2.00 · Out $8.00
GPT-4.1 mini Impossibl · 1047576 context In $0.40 · Out $1.60
GPT-4.1 nano Impossibl · 1047576 context In $0.10 · Out $0.40
GPT-4o Impossibl · 128000 context In $2.50 · Out $10.00
GPT-4o mini Impossibl · 128000 context In $0.15 · Out $0.60
GPT-5 Impossibl · 400000 context In $1.25 · Out $10.00
GPT-5 Mini Impossibl · 400000 context In $0.25 · Out $2.00
GPT-5 Nano Impossibl · 400000 context In $0.05 · Out $0.40
GPT-5 Pro Impossibl · 400000 context In $15.00 · Out $120.00
GPT-5-Codex Impossibl · 400000 context In $1.25 · Out $10.00
GPT-5.1 Impossibl · 400000 context In $1.25 · Out $10.00
GPT-5.1 Codex Impossibl · 400000 context In $1.25 · Out $10.00
GPT-5.1 Codex mini Impossibl · 400000 context In $0.25 · Out $2.00
GPT-5.2 Impossibl · 400000 context In $1.75 · Out $14.00
GPT-5.2 Codex Impossibl · 400000 context In $1.75 · Out $14.00
GPT-5.3 Codex Impossibl · 400000 context In $1.75 · Out $14.00
GPT-5.4 Impossibl · 1050000 context In $2.50 · Out $15.00
GPT-5.4 Pro Impossibl · 1050000 context In $30.00 · Out $180.00
GPT-5.4 mini Impossibl · 400000 context In $0.75 · Out $4.50
GPT-5.4 nano Impossibl · 400000 context In $0.20 · Out $1.25
GPT-5.5 Impossibl · 1050000 context In $5.00 · Out $30.00
GPT-5.5 Pro Impossibl · 1050000 context In $30.00 · Out $180.00
GPT-5.6 Luna Impossibl · 1050000 context In $0.20 · Out $1.20
GPT-5.6 Sol Impossibl · 1050000 context In $5.00 · Out $30.00
GPT-5.6 Terra Impossibl · 1050000 context In $2.00 · Out $12.00
Gemini 2.5 Flash Impossibl · 1048576 context In $0.30 · Out $2.50
Gemini 2.5 Flash-Lite Impossibl · 1048576 context In $0.10 · Out $0.40
Gemini 2.5 Pro Impossibl · 1048576 context In $1.25 · Out $10.00
Gemini 3.1 Flash Lite Impossibl · 1048576 context In $0.25 · Out $1.50
Gemini 3.1 Pro Preview Impossibl · 1048576 context In $2.00 · Out $12.00
Gemini 3.5 Flash Impossibl · 1048576 context In $1.50 · Out $9.00
Gemini 3.5 Flash Lite Impossibl · 1048576 context In $0.30 · Out $2.50
Gemini 3.6 Flash Impossibl · 1048576 context In $1.50 · Out $7.50
Grok 4.20 (Non-Reasoning) Impossibl · 1000000 context In $1.25 · Out $2.50
Grok 4.20 (Reasoning) Impossibl · 1000000 context In $1.25 · Out $2.50
Grok 4.3 Impossibl · 1000000 context In $1.25 · Out $2.50
Grok 4.5 Impossibl · 500000 context In $2.00 · Out $6.00
Grok Build 0.1 Impossibl · 256000 context In $1.00 · Out $2.00
Inkling Impossibl · 65536 context In $1.87 · Out $4.68
Kimi K3 Impossibl · 1048576 context In $3.00 · Out $15.00
MiMo-V2.5 Impossibl · 1048576 context In $0.14 · Out $0.28
Qwen3.6 Flash Impossibl · 1000000 context In $0.25 · Out $1.50
Qwen3.7 Max Impossibl · 1000000 context In $2.50 · Out $7.50
Qwen3.7 Plus Impossibl · 1000000 context In $0.40 · Out $1.60
Qwen3.8 Max Preview Impossibl · 1000000 context In $2.50 · Out $7.50
o1 Impossibl · 200000 context In $15.00 · Out $60.00
o3 Impossibl · 200000 context In $2.00 · Out $8.00
o3-mini Impossibl · 200000 context In $1.10 · Out $4.40
o4-mini Impossibl · 200000 context In $1.10 · Out $4.40