Best value right now

GPT-6.1 Sol (Xhigh)

OpenAI

Cheapest model that still keeps near-frontier intelligence

Intelligence
51.0
Cost/task
$0.39
Input
$2.00/M tokens
Output
$10.00/M tokens
Speed
51 tok/s
Web search
41.0
Value score
129.9

Why this one

GPT-6.1 Sol (Xhigh) scores 51.0 on the Intelligence Index, 89% of the leader Claude Opus 5.5 (Max, Default Fallback), while costing $0.39 per task. That is 15x cheaper than the leader. It sits on the Pareto frontier, so no model is both smarter and cheaper.

Best for web search right now

GLM-5.3-Flash

Z AI

Smartest web researcher for the least money

Web search
53.0
Intelligence
41.8
Cost/task
$0.28
Context
1M
Most accurate (least hallucination)
72%
Speed
65 tok/s

Why this one

GLM-5.3-Flash scores 53.0 on the deep-research benchmark, the highest on the board, while keeping 41.8 general intelligence and costing only $0.28 per task. For search-heavy work it beats far pricier models at a fraction of the cost.

What changed

Since the previous scan

New models (3)

  • Llama 4 Maverick(Meta)
  • Gemma 4 E4B (Reasoning)(Google)
  • Llama 4 Scout(Meta)

Cost per task moved (2)

  • Ling 3.1 Flash: $1.00 → $1.00 per task
  • Qwen3.8 2.4T A95B: $2.16 → $2.16 per task

Most intelligence per dollar

Ranked by Intelligence Index against what one full task actually costs.

ModelProviderIntelligenceCost/taskInputOutputSpeedValue score
Claude Opus 5.5 (Max, Default Fallback)Best in classAnthropic57.6$5.98$4.00$20.00959.6
Claude Sonnet 5.5 (Max, Default Fallback)Best in classAnthropic56.0$5.46$2.00$10.0013310.3
Claude Opus 5.5 (Xhigh, Default Fallback)Best in classAnthropic56.0$3.46$4.00$20.007616.2
Claude Opus 5.5 (High, Default Fallback)Best in classAnthropic53.6$1.82$4.00$20.007729.4
Claude Fable 5.1 (Max, Default Fallback)Claude Opus 5.5 (Max, Default Fallback) is smarter and cheaperAnthropic53.4$7.63$10.00$50.00717.0
Claude Fable 5.1 (Xhigh, Default Fallback)Claude Sonnet 5.5 (Max, Default Fallback) is smarter and cheaperAnthropic53.2$5.98$10.00$50.00638.9
GPT-6 Astra (Max)Claude Opus 5.5 (High, Default Fallback) is smarter and cheaperOpenAI52.7$3.26$10.00$50.004416.2
Gemini 4 Argon (High)Claude Opus 5.5 (High, Default Fallback) is smarter and cheaperGoogle52.6$1.99$2.00$10.00not published26.4
Muse Wonder (Max)Claude Opus 5.5 (Xhigh, Default Fallback) is smarter and cheaperMeta52.4$4.52$4.00$20.0015411.6
GPT-6 Astra (Xhigh)Claude Opus 5.5 (High, Default Fallback) is smarter and cheaperOpenAI52.4$2.31$10.00$50.004422.7
Claude Sonnet 5.5 (Xhigh, Default Fallback)Claude Opus 5.5 (High, Default Fallback) is smarter and cheaperAnthropic51.9$2.01$2.00$10.0010025.8
GPT-6.1 Sol (Max)Best in classOpenAI51.8$0.72$2.00$10.004971.6
Claude Opus 5.5 (Medium, Default Fallback)GPT-6.1 Sol (Max) is smarter and cheaperAnthropic51.2$1.34$4.00$20.008638.4
Claude Fable 5.1 (High, Default Fallback)Claude Opus 5.5 (Xhigh, Default Fallback) is smarter and cheaperAnthropic51.1$3.91$10.00$50.005913.1
GPT-6.1 Sol (Xhigh)Best price-to-qualityOpenAI51.0$0.39$2.00$10.0051129.9
GPT-6 Astra (High)GPT-6.1 Sol (Max) is smarter and cheaperOpenAI50.9$1.73$10.00$50.004729.5
GPT-6.1 Sol (High)Best in classOpenAI50.2$0.32$2.00$10.0051157.4
GPT-6 Astra (Medium)GPT-6.1 Sol (Max) is smarter and cheaperOpenAI49.6$1.54$10.00$50.004932.2
Claude Fable 5.1 (Medium, Default Fallback)Claude Opus 5.5 (High, Default Fallback) is smarter and cheaperAnthropic48.9$2.98$10.00$50.005716.4
Muse Spark 1.3 (Max)GPT-6.1 Sol (Max) is smarter and cheaperMeta48.1$1.60$1.25$4.2512830.0

Showing 20 of 116 models

Best at web search

Ranked by the deep-research benchmark: how well each model searches and synthesizes the web.

ModelProviderWeb searchIntelligenceCost/taskInputOutputContext
Gemini 4 Argon (High)Google63.552.6$1.99$2.00$10.001M
MiniMax-M3MiniMax60.029.2$0.51$0.30$1.201M
Muse Wonder (Max)Meta57.552.4$4.52$4.00$20.001M
Grok 4.7 (Xhigh)SpaceXAI53.046.5$3.74$2.00$6.00500K
GLM-5.3-FlashBest researcherZ AI53.041.8$0.28$0.15$0.501M
Qwen3.8 Max (0902)Alibaba51.545.4$5.41$2.00$6.00984K
GLM-5.3 (Max)Z AI51.544.8$2.01$1.40$4.401M
Muse Spark 1.3 (Max)Meta51.048.1$1.60$1.25$4.251M
Muse Spark 1.3 (Xhigh)Meta50.545.1$1.37$1.25$4.251M
Grok 4.7 (High)SpaceXAI49.546.3$2.73$2.00$6.00500K
Claude Sonnet 5.5 (Max, Default Fallback)Anthropic49.056.0$5.46$2.00$10.001M
Ling 3.1 FlashInclusionAI48.541.1$1.00$0.30$0.901M
MiMo-V2.6-ProXiaomi47.546.3$0.13$0.43$0.871M
Claude Haiku 5.5 (Max)Anthropic47.543.4$0.21$0.10$0.501M
Grok 4.7 (Low)SpaceXAI47.042.2$1.25$2.00$6.00500K
Qwen3.8 2.4T A95BAlibaba47.040.0$2.16$2.00$6.00262K
Qwen3.7 PlusAlibaba47.025.2$0.22$0.40$1.601M
Nemotron 3 Ultra 550B A55B (Reasoning)NVIDIA46.522.9$0.60$0.60$2.50262K
GPT-6 Astra (High)OpenAI46.050.9$1.73$10.00$50.001M
Step 5 PreviewStepFun46.043.7$1.03$1.00$2.701M

Showing 20 of 111 models

Token prices are USD per million tokens. Cost per task is the USD cost of one full Intelligence Index run. Speed is output tokens per second. Web search is the deep-research benchmark score, and context is the maximum window in tokens.

At a glance

Highest intelligence:
Claude Opus 5.5 (Max, Default Fallback) (57.6)
Best at web search:
GLM-5.3-Flash
Most accurate (least hallucination):
Command A+ (86%)
Fastest output:
Muse Wonder (Max)
Lowest cost per task:
GPT-6 Luna (Low)
Average cost per task:
$1.04
On the Pareto frontier:
17 of 116 models

How this is ranked

Value score is Intelligence Index divided by cost per task. The best value pick is the cheapest model still scoring at least 46.1, which is 80% of the leader Claude Opus 5.5 (Max, Default Fallback). Figures come straight from the source's published datasets, not from an AI summary.