AI Index
- Models tracked
- 327
- Labs
- 49
- Benchmarked
- 653
- Released, 12 months
- 202
Model explorer
-
1
Claude Fable 5.1
Adaptive Reasoning, Max Effort, Default FallbackIn $10Out $50TTFT 151.53sCtx 1M -
2
Claude Fable 5.1
Adaptive Reasoning, Xhigh Effort, Default FallbackIn $10Out $50TTFT 30.35sCtx 1M -
3
GPT-6 Astra
maxIn $10Out $50TTFT 214.47sCtx 1.05M -
4
GPT-6 Astra
xhighIn $10Out $50TTFT 70.49sCtx 1.05M -
5
Claude Fable 5.1
Adaptive Reasoning, High Effort, Default FallbackIn $10Out $50TTFT 8.64sCtx 1M -
6
GPT-6 Astra
highIn $10Out $50TTFT 26.87sCtx 1.05M -
7
Claude Opus 5
Adaptive Reasoning, Max EffortIn $5.00Out $25TTFT 25.73sCtx 1M -
8
Claude Fable 5
Adaptive Reasoning, Max Effort, Opus 4.8 FallbackIn $10Out $50TTFT 44.13sCtx 1M -
9
Claude Opus 5
Adaptive Reasoning, Xhigh EffortIn $5.00Out $25TTFT 17.59sCtx 1M -
10
GPT-6 Astra
mediumIn $10Out $50TTFT 4.05sCtx 1.05M -
11
Claude Fable 5.1
Adaptive Reasoning, Medium Effort, Default FallbackIn $10Out $50TTFT 5.91sCtx 1M -
12
Claude Opus 5
Adaptive Reasoning, High EffortIn $5.00Out $25TTFT 7.84sCtx 1M -
14
GPT-5.6 Sol
maxIn $4.00Out $20TTFT 71.18sCtx 1.05M -
15
Claude Fable 5.1
Adaptive Reasoning, Low Effort, Default FallbackIn $10Out $50TTFT 4.02sCtx 1M -
16
GPT-6 Astra
lowIn $10Out $50TTFT 1.33sCtx 1.05M -
17
Qwen3.8 Max
0902In $2.00Out $6.00TTFT 1.66sCtx 1M -
19
Claude Opus 5
Adaptive Reasoning, Medium EffortIn $5.00Out $25TTFT 3.40sCtx 1M -
20
GLM-5.3
maxIn $1.40Out $4.40TTFT 2.65sCtx 1.31M -
21
Grok 4.6
highIn $2.00Out $6.00TTFT 31.81sCtx 500K -
22
Grok 4.6
xhighIn $2.00Out $6.00TTFT 35.96sCtx 500K -
23
GPT-5.6 Sol
xhighIn $4.00Out $20TTFT 27.34sCtx 1.05M -
24
Kimi K3
maxIn $3.00Out $15TTFT 3.18s -
25
Step 5 Preview
In $1.00Out $2.70TTFT 1.80s -
26
Grok 4.6
mediumIn $2.00Out $6.00TTFT 23.21sCtx 500K -
27
GPT-5.6 Sol
highIn $4.00Out $20TTFT 10.51sCtx 1.05M -
28
GPT-5.6 Terra
maxIn $2.00Out $12TTFT 123.55sCtx 1.05M -
29
Claude Opus 4.8
Adaptive Reasoning, Max EffortIn $5.00Out $25TTFT 0.00sCtx 1M -
30
GLM 5.3 Flash
In $0.15Out $0.5TTFT 2.40sCtx 1.31M -
31
Gemini 3.8 Flash
highIn $0.75Out $3.75TTFT 10.73sCtx 1.05M -
32
Claude Opus 4.7
Adaptive Reasoning, Max EffortIn $5.00Out $25TTFT 0.00sCtx 1M -
33
Qwen3.8 Max
In $2.00Out $6.00TTFT 1.55sCtx 1M -
34
Gemini 3.8 Flash
mediumIn $0.75Out $3.75TTFT 0.00sCtx 1.05M -
35
Qwen3.8 2.4T A95B
In $2.00Out $6.00TTFT 1.86sCtx 1.05M -
36
Qwen3.8-Flash-Next
In $0.15Out $0.47TTFT 1.42s -
37
Claude Opus 5
Adaptive Reasoning, Low EffortIn $5.00Out $25TTFT 2.29sCtx 1M -
39
Gemini 3.7 Flash
mediumIn $0.75Out $3.75TTFT 5.27sCtx 1.05M -
40
DeepSeek V4.1 Flash
Reasoning, Max EffortIn $0.3Out $1.20TTFT 0.82sCtx 1.05M
No model matches these filters.
Benchmarks, speed and prices: Artificial Analysis · capabilities and catalogue: OpenRouter
- Highest intelligence Claude Fable 5.1 (Adaptive Reasoning, Max Effort, Default Fallback)Anthropic53.4 Intelligence Index
- Fastest output Celeris-1Celeris2,027 t/s tokens per second
- Lowest latency Claude Opus 4.8 (Adaptive Reasoning, Max Effort)Anthropic0.00 s time to first token
- Best value Step 5 PreviewStepFun$1.43/1M cheapest within 20% of the top score
- Largest context Grok 4.20xAI2M tokens
- Newest frontier model GPT-6 AstraOpenAI4 Sep 2026 flagship-class release
Intelligence Index
Composite of reasoning, knowledge, maths and coding evaluations · higher is better
- Anthropic
- OpenAI
- Alibaba
- Z.ai
- xAI
- Kimi
Intelligence vs. price
Blended price per 1M tokens (3:1 input:output) against Intelligence Index · top-left is best · log price axis
- Anthropic
- OpenAI
- Alibaba
- Z.ai
- xAI
- Kimi
Output speed
Median output tokens per second · higher is better
Latency
Median seconds to first token · lower is better
Price
USD per 1M tokens for each lab's newest flagship-class model · input (left) and output (right) · lower is better
- Microsoft
- NVIDIA
- DeepSeek
- Z.ai
- Alibaba
- xAI
- Mistral
- Moonshot
- Cohere
- Amazon
- OpenAI
- Anthropic
Context window
Tokens of input a model can read at once · larger is better
- xAI
- Z.ai
- DeepSeek
- OpenAI
- Alibaba
- Moonshot
- MiniMax
- Anthropic
Releases over time
One dot per model release in the last twelve months · most active labs
Open weights vs. proprietary
Releases in the last twelve months per lab · open weights can be self-hosted
- OpenAI1 open · 30 closed
- Alibaba18 open · 13 closed
- Google2 open · 18 closed
- Z.ai9 open · 3 closed
- Anthropic0 open · 11 closed
- DeepSeek9 open · 0 closed
- Mistral6 open · 1 closed
- xAI0 open · 6 closed
- MiniMax5 open · 1 closed
Compare the frontier
Each lab's newest flagship-class model
| Model | Lab | Released | Context | Input $/1M | Output $/1M | Capabilities |
|---|---|---|---|---|---|---|
| GPT-6 Astra | OpenAI | 4 Sep 2026 | 1.05M | $10 | $50 | ReasoningVision |
| Claude Fable 5.1 | Anthropic | 1 Sep 2026 | 1M | $10 | $50 | ReasoningVision |
| DeepSeek V4 Pro 0813 | DeepSeek | 12 Aug 2026 | 1.05M | $0.58 | $1.73 | ReasoningOpen weights |
| Qwen3.8 Max (0902) | Alibaba | 3 Sep 2026 | 1M | $2.00 | $6.00 | ReasoningVisionVideo |
| Grok 4.6 | xAI | 12 Aug 2026 | 500K | $2.00 | $6.00 | ReasoningVision |
| Muse Spark 1.3 | Meta | 2 Sep 2026 | 1.05M | $1.25 | $4.25 | ReasoningVisionAudioVideo |
| Mistral Medium 3.5 | Mistral | 30 Apr 2026 | 262K | $1.50 | $7.50 | ReasoningVision |
| GLM 5.3 | Z.ai | 18 Aug 2026 | 1.31M | $0.91 | $2.86 | ReasoningOpen weights |
| Kimi K3 | Moonshot | 16 Jul 2026 | 1.05M | $1.70 | $8.50 | ReasoningVisionVideoOpen weights |
| Nova Premier 1.0 | Amazon | 31 Oct 2025 | 1M | $2.50 | $13 | Vision |
| Nemotron 3.5 Lightning | NVIDIA | 11 Aug 2026 | 262K | $0.07 | $0.2 | ReasoningOpen weights |
| Phi 4 | Microsoft | 10 Jan 2025 | 16K | $0.07 | $0.14 | Open weights |
| Command A | Cohere | 13 Mar 2025 | 256K | $2.50 | $10 | Open weights |
Benchmark data: Artificial Analysis (synced 13 min ago). Catalogue, pricing and context data: OpenRouter (synced 13 min ago). Prices are list prices per million tokens in USD and change without notice.
