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Model Pareto

Gemini 4 Carbon vs GPT-6 Astra

In hard reasoning, Gemini 4 Carbon scores 99.7 and GPT-6 Astra 92.7 on the 0–100 quality scale. GPT-6 Astra costs 2.5× as much as Gemini 4 Carbon ($20.0 vs $8.00 per million tokens, blended 3:1 input:output).
Gemini 4 CarbonGPT-6 Astra
Focus

Hard reasoning: quality vs price

Compared models are ringed; the other 213 ranked here are greyed.

Lower price is better. Pareto frontier: Gemma 4 E4B, Sarvam 30B, Qwen3.5 4B, Sarvam 105B, gpt-oss-20b, Ling-3.0-flash-VL, MiMo-V2.5, Ternary Bonsai 2 27B, Claude Haiku 5.5, MiniMax-M3.1-Flash, MiMo-V2.6-Pro, GPT-6.1 Terra, Claude Sonnet 5.5, Gemini 4 Carbon. 66 models are not plotted: Muse Wonder Full, Muse Spark Open, Beam 1.0 501B A23B, DeepSeek V4.1 Flash NVFP4, GLM-5.3 Flash NVFP4, GLM-5.3 NVFP4, Qwen3.8 Flash-Next NVFP4, DeepSeek-V4-Pro-0813-nvfp4-DSpark, Kimi-K3-INT4, Qwen3.8 27B NVFP4, Motif 3, Nex-N2-Pro, Ternary Bonsai 27B, Nemotron 3.5 Super VL NVFP4, GLM-5.3-MXFP4, K2 Horizon 375B A23B, Qwen3.8 27B MXFP4, Xing4.0-29B-A4B, Nemotron 3.5 Super VL, Solar Open2 250B, Bonsai 27B, A.X-K2, Nemotron 3.5 Bolt 74B-A9B, K2 Horizon MoVA 36B A4B, K2-Horizon-32B, Maple-Preview, Intern-S2-Preview (35B-A3B), K-EXAONE 2.0 0803, G9v3-39A5B, Phi-4-reasoning-plus, K2 Horizon 7B, EXAONE 4.5 33B, Nanbeige4.1-3B, HyperNova 60B 2605, Nemotron Cascade 2 30B A3B, INTELLECT-3, Apriel-v1.6-15B-Thinker, K2 Horizon 3.7B, NVIDIA Nemotron-Labs Dory1.0 4B, LFM2.5-24B-A2B, DiffusionGemma 26B A4B, North Mini Code, Falcon-H1R-7B, Ling 3.0 Tiny, MiniCPM5-2B, LongCat Flash Lite, HyperCLOVA X SEED Think (32B), Tri-21B-Think, Olmo 3.1 32B Think, LFM2.5-2.6B, LFM2.5-8B-A1B, Olmo 3.1 32B Instruct, NVIDIA Nemotron 3 Nano 4B, Phi-4-mini-flash-reasoning, Falcon-H1-34B-Instruct, Qwen3.5 2B, Hermes 4 - Llama-3.1 70B, LFM2 24B A2B, Gemma 4 E2B, MiniCPM5-1B, Jamba 1.7 Large, MiniCPM-V 4.6 1.3B, Jamba Reasoning 3B, Tiny Aya Global, Qwen3.5 0.8B, K2 Horizon 0.9B.

66 models with no price data — shown in the strip at the left edge

Muse Wonder Full, Muse Spark Open, Beam 1.0 501B A23B, DeepSeek V4.1 Flash NVFP4, GLM-5.3 Flash NVFP4, GLM-5.3 NVFP4, Qwen3.8 Flash-Next NVFP4, DeepSeek-V4-Pro-0813-nvfp4-DSpark, Kimi-K3-INT4, Qwen3.8 27B NVFP4, Motif 3, Nex-N2-Pro, Ternary Bonsai 27B, Nemotron 3.5 Super VL NVFP4, GLM-5.3-MXFP4, K2 Horizon 375B A23B, Qwen3.8 27B MXFP4, Xing4.0-29B-A4B, Nemotron 3.5 Super VL, Solar Open2 250B, Bonsai 27B, A.X-K2, Nemotron 3.5 Bolt 74B-A9B, K2 Horizon MoVA 36B A4B, K2-Horizon-32B, Maple-Preview, Intern-S2-Preview (35B-A3B), K-EXAONE 2.0 0803, G9v3-39A5B, Phi-4-reasoning-plus, K2 Horizon 7B, EXAONE 4.5 33B, Nanbeige4.1-3B, HyperNova 60B 2605, Nemotron Cascade 2 30B A3B, INTELLECT-3, Apriel-v1.6-15B-Thinker, K2 Horizon 3.7B, NVIDIA Nemotron-Labs Dory1.0 4B, LFM2.5-24B-A2B, DiffusionGemma 26B A4B, North Mini Code, Falcon-H1R-7B, Ling 3.0 Tiny, MiniCPM5-2B, LongCat Flash Lite, HyperCLOVA X SEED Think (32B), Tri-21B-Think, Olmo 3.1 32B Think, LFM2.5-2.6B, LFM2.5-8B-A1B, Olmo 3.1 32B Instruct, NVIDIA Nemotron 3 Nano 4B, Phi-4-mini-flash-reasoning, Falcon-H1-34B-Instruct, Qwen3.5 2B, Hermes 4 - Llama-3.1 70B, LFM2 24B A2B, Gemma 4 E2B, MiniCPM5-1B, Jamba 1.7 Large, MiniCPM-V 4.6 1.3B, Jamba Reasoning 3B, Tiny Aya Global, Qwen3.5 0.8B, K2 Horizon 0.9B

  • Best-value frontier (nothing is both cheaper and better)
  • Evidencestrong → weak
  • Estimated from other categories
  • Gemini 4 Carbon
    Quality
    99.7
    Rank
    #1/215
    Price
    $8.00/M tok
    Speed
    83tok/s
    In$4.00▾Out$20▾/M tok

    vs GPT-6 Astra: +7.0 quality · 0.4× price

  • GPT-6 Astra
    Quality
    92.7
    Rank
    #7/215
    Price
    $20.0/M tok
    Speed
    52tok/s
    In$10Out$50/M tok

    vs Gemini 4 Carbon: −7.0 quality · 2.5× price

Overview

Lab
Google DeepMind
OpenAI
Released
Oct 28, 2026
Sep 3, 2026
Weights
Proprietary
Proprietary
Input price
$/M tok
$4.00Best
$10
Output price
$/M tok
$20Best
$50
Blended price
$/M tok · 3:1 in:out
$8.00Best
$20
Output speed
tok/s
83Best
52
Context
tokens
1MBest
1MBest

Quality by category

0–100 within each category (100 = best tracked model). Rank is among all models ranked there. Click a row to focus it.

Not ranked
84.1±4.5
#9/134Verified
Not ranked
89.3±5.3
#4/160Verified
Not ranked
97.9±3.5
#1/97Verifiedbest value
99.7±4.8Best
#1/215Verifiedbest value
92.7±3.7
#7/215Verified
Not ranked
81.8±4.6
#15/186Mixed

Hard reasoning benchmarks

Rank among models with a published score, and the leaderboard around each model. ~ italic = no published score, estimated from related benchmarks.

Benchmarks in other categories (4)

Coding benchmarks

Rank among models with a published score, and the leaderboard around each model. ~ italic = no published score, estimated from related benchmarks.

Writing & chat benchmarks

Rank among models with a published score, and the leaderboard around each model. ~ italic = no published score, estimated from related benchmarks.

Vision benchmarks

Rank among models with a published score, and the leaderboard around each model. ~ italic = no published score, estimated from related benchmarks.

Agents benchmarks

Rank among models with a published score, and the leaderboard around each model. ~ italic = no published score, estimated from related benchmarks.